/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-0612a5f-m [2022-09-20 21:31:45,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-20 21:31:45,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-20 21:31:45,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-20 21:31:45,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-20 21:31:45,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-20 21:31:45,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-20 21:31:45,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-20 21:31:45,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-20 21:31:45,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-20 21:31:45,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-20 21:31:45,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-20 21:31:45,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-20 21:31:45,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-20 21:31:45,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-20 21:31:45,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-20 21:31:45,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-20 21:31:45,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-20 21:31:45,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-20 21:31:45,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-20 21:31:45,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-20 21:31:45,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-20 21:31:45,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-20 21:31:45,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-20 21:31:45,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-20 21:31:45,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-20 21:31:45,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-20 21:31:45,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-20 21:31:45,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-20 21:31:45,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-20 21:31:45,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-20 21:31:45,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-20 21:31:45,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-20 21:31:45,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-20 21:31:45,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-20 21:31:45,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-20 21:31:45,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-09-20 21:31:45,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-20 21:31:45,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-20 21:31:45,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-20 21:31:45,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-20 21:31:45,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-20 21:31:45,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-20 21:31:45,975 INFO L138 SettingsManager]: * Use SBE=true [2022-09-20 21:31:45,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-20 21:31:45,975 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-20 21:31:45,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-20 21:31:45,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-20 21:31:45,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-20 21:31:45,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-20 21:31:45,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-20 21:31:45,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-20 21:31:45,976 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-20 21:31:45,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-20 21:31:45,976 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-20 21:31:45,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-20 21:31:45,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-20 21:31:45,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-20 21:31:45,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-20 21:31:45,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-20 21:31:45,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 21:31:45,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-20 21:31:45,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-20 21:31:45,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-20 21:31:45,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-20 21:31:45,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-20 21:31:45,977 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-20 21:31:45,978 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-20 21:31:45,978 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-20 21:31:46,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-20 21:31:46,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-20 21:31:46,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-20 21:31:46,160 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-20 21:31:46,161 INFO L275 PluginConnector]: CDTParser initialized [2022-09-20 21:31:46,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2022-09-20 21:31:46,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edb1a4e0/b1b139906dc5437292106be313994d1a/FLAGcc4c53f4f [2022-09-20 21:31:46,529 INFO L306 CDTParser]: Found 1 translation units. [2022-09-20 21:31:46,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2022-09-20 21:31:46,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edb1a4e0/b1b139906dc5437292106be313994d1a/FLAGcc4c53f4f [2022-09-20 21:31:46,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edb1a4e0/b1b139906dc5437292106be313994d1a [2022-09-20 21:31:46,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-20 21:31:46,941 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-20 21:31:46,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-20 21:31:46,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-20 21:31:46,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-20 21:31:46,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:31:46" (1/1) ... [2022-09-20 21:31:46,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ad4443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:46, skipping insertion in model container [2022-09-20 21:31:46,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:31:46" (1/1) ... [2022-09-20 21:31:46,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-20 21:31:46,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-20 21:31:47,198 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/popl20-send-receive.wvr.c[3107,3120] [2022-09-20 21:31:47,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 21:31:47,218 INFO L203 MainTranslator]: Completed pre-run [2022-09-20 21:31:47,252 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/popl20-send-receive.wvr.c[3107,3120] [2022-09-20 21:31:47,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 21:31:47,270 INFO L208 MainTranslator]: Completed translation [2022-09-20 21:31:47,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47 WrapperNode [2022-09-20 21:31:47,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-20 21:31:47,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-20 21:31:47,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-20 21:31:47,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-20 21:31:47,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47" (1/1) ... [2022-09-20 21:31:47,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47" (1/1) ... [2022-09-20 21:31:47,321 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 161 [2022-09-20 21:31:47,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-20 21:31:47,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-20 21:31:47,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-20 21:31:47,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-20 21:31:47,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47" (1/1) ... [2022-09-20 21:31:47,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47" (1/1) ... [2022-09-20 21:31:47,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47" (1/1) ... [2022-09-20 21:31:47,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47" (1/1) ... [2022-09-20 21:31:47,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47" (1/1) ... [2022-09-20 21:31:47,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47" (1/1) ... [2022-09-20 21:31:47,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47" (1/1) ... [2022-09-20 21:31:47,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-20 21:31:47,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-20 21:31:47,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-20 21:31:47,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-20 21:31:47,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47" (1/1) ... [2022-09-20 21:31:47,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 21:31:47,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 21:31:47,396 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) [2022-09-20 21:31:47,398 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 [2022-09-20 21:31:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-20 21:31:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-20 21:31:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-20 21:31:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-20 21:31:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-20 21:31:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-20 21:31:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-20 21:31:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-20 21:31:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-20 21:31:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-20 21:31:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-20 21:31:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-20 21:31:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-20 21:31:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-20 21:31:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-20 21:31:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-20 21:31:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-20 21:31:47,452 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-20 21:31:47,527 INFO L234 CfgBuilder]: Building ICFG [2022-09-20 21:31:47,529 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-20 21:31:47,710 INFO L275 CfgBuilder]: Performing block encoding [2022-09-20 21:31:47,752 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-20 21:31:47,752 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-09-20 21:31:47,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:31:47 BoogieIcfgContainer [2022-09-20 21:31:47,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-20 21:31:47,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-20 21:31:47,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-20 21:31:47,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-20 21:31:47,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 09:31:46" (1/3) ... [2022-09-20 21:31:47,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8a0e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 09:31:47, skipping insertion in model container [2022-09-20 21:31:47,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:31:47" (2/3) ... [2022-09-20 21:31:47,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8a0e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 09:31:47, skipping insertion in model container [2022-09-20 21:31:47,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:31:47" (3/3) ... [2022-09-20 21:31:47,771 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2022-09-20 21:31:47,783 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-20 21:31:47,783 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-20 21:31:47,783 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-20 21:31:47,847 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-20 21:31:47,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 142 transitions, 308 flow [2022-09-20 21:31:47,917 INFO L130 PetriNetUnfolder]: 10/139 cut-off events. [2022-09-20 21:31:47,917 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-09-20 21:31:47,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 139 events. 10/139 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 96 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 116. Up to 2 conditions per place. [2022-09-20 21:31:47,920 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 142 transitions, 308 flow [2022-09-20 21:31:47,922 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 128 transitions, 274 flow [2022-09-20 21:31:47,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-20 21:31:47,933 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1f3edee2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-20 21:31:47,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-09-20 21:31:47,951 INFO L130 PetriNetUnfolder]: 10/127 cut-off events. [2022-09-20 21:31:47,951 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-09-20 21:31:47,951 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:31:47,952 INFO L208 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] [2022-09-20 21:31:47,952 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-09-20 21:31:47,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:31:47,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1609197532, now seen corresponding path program 1 times [2022-09-20 21:31:47,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:31:47,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281095478] [2022-09-20 21:31:47,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:31:47,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:31:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:31:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:31:48,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:31:48,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281095478] [2022-09-20 21:31:48,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281095478] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 21:31:48,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 21:31:48,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-20 21:31:48,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111245456] [2022-09-20 21:31:48,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 21:31:48,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-20 21:31:48,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:31:48,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-20 21:31:48,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-20 21:31:48,186 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 142 [2022-09-20 21:31:48,188 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 128 transitions, 274 flow. Second operand has 2 states, 2 states have (on average 129.5) internal successors, (259), 2 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,189 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:31:48,189 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 142 [2022-09-20 21:31:48,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 21:31:48,260 INFO L130 PetriNetUnfolder]: 21/174 cut-off events. [2022-09-20 21:31:48,260 INFO L131 PetriNetUnfolder]: For 26/27 co-relation queries the response was YES. [2022-09-20 21:31:48,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 174 events. 21/174 cut-off events. For 26/27 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 303 event pairs, 7 based on Foata normal form. 20/176 useless extension candidates. Maximal degree in co-relation 141. Up to 33 conditions per place. [2022-09-20 21:31:48,263 INFO L137 encePairwiseOnDemand]: 136/142 looper letters, 9 selfloop transitions, 0 changer transitions 2/122 dead transitions. [2022-09-20 21:31:48,263 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 122 transitions, 280 flow [2022-09-20 21:31:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-20 21:31:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-09-20 21:31:48,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 267 transitions. [2022-09-20 21:31:48,273 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9401408450704225 [2022-09-20 21:31:48,274 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 267 transitions. [2022-09-20 21:31:48,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 267 transitions. [2022-09-20 21:31:48,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 21:31:48,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 267 transitions. [2022-09-20 21:31:48,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 133.5) internal successors, (267), 2 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,283 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,285 INFO L175 Difference]: Start difference. First operand has 128 places, 128 transitions, 274 flow. Second operand 2 states and 267 transitions. [2022-09-20 21:31:48,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 122 transitions, 280 flow [2022-09-20 21:31:48,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 122 transitions, 268 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-09-20 21:31:48,295 INFO L231 Difference]: Finished difference. Result has 123 places, 120 transitions, 246 flow [2022-09-20 21:31:48,297 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=246, PETRI_PLACES=123, PETRI_TRANSITIONS=120} [2022-09-20 21:31:48,302 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, -5 predicate places. [2022-09-20 21:31:48,302 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 120 transitions, 246 flow [2022-09-20 21:31:48,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 129.5) internal successors, (259), 2 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,303 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:31:48,303 INFO L208 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] [2022-09-20 21:31:48,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-20 21:31:48,304 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-09-20 21:31:48,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:31:48,305 INFO L85 PathProgramCache]: Analyzing trace with hash -2092863801, now seen corresponding path program 1 times [2022-09-20 21:31:48,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:31:48,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251170786] [2022-09-20 21:31:48,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:31:48,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:31:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:31:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:31:48,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:31:48,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251170786] [2022-09-20 21:31:48,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251170786] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 21:31:48,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 21:31:48,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-20 21:31:48,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462757392] [2022-09-20 21:31:48,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 21:31:48,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-20 21:31:48,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:31:48,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-20 21:31:48,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-20 21:31:48,435 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 142 [2022-09-20 21:31:48,436 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 120 transitions, 246 flow. Second operand has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,436 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:31:48,436 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 142 [2022-09-20 21:31:48,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 21:31:48,594 INFO L130 PetriNetUnfolder]: 98/367 cut-off events. [2022-09-20 21:31:48,594 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-09-20 21:31:48,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 367 events. 98/367 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1418 event pairs, 20 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 540. Up to 64 conditions per place. [2022-09-20 21:31:48,600 INFO L137 encePairwiseOnDemand]: 137/142 looper letters, 35 selfloop transitions, 5 changer transitions 0/142 dead transitions. [2022-09-20 21:31:48,600 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 142 transitions, 372 flow [2022-09-20 21:31:48,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-20 21:31:48,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-20 21:31:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 627 transitions. [2022-09-20 21:31:48,606 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8830985915492958 [2022-09-20 21:31:48,606 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 627 transitions. [2022-09-20 21:31:48,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 627 transitions. [2022-09-20 21:31:48,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 21:31:48,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 627 transitions. [2022-09-20 21:31:48,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 125.4) internal successors, (627), 5 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,614 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,614 INFO L175 Difference]: Start difference. First operand has 123 places, 120 transitions, 246 flow. Second operand 5 states and 627 transitions. [2022-09-20 21:31:48,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 142 transitions, 372 flow [2022-09-20 21:31:48,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 142 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-09-20 21:31:48,619 INFO L231 Difference]: Finished difference. Result has 128 places, 123 transitions, 277 flow [2022-09-20 21:31:48,619 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=277, PETRI_PLACES=128, PETRI_TRANSITIONS=123} [2022-09-20 21:31:48,620 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, 0 predicate places. [2022-09-20 21:31:48,620 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 123 transitions, 277 flow [2022-09-20 21:31:48,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,621 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:31:48,621 INFO L208 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] [2022-09-20 21:31:48,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-20 21:31:48,622 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-09-20 21:31:48,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:31:48,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1525047151, now seen corresponding path program 2 times [2022-09-20 21:31:48,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:31:48,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476531657] [2022-09-20 21:31:48,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:31:48,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:31:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:31:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:31:48,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:31:48,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476531657] [2022-09-20 21:31:48,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476531657] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 21:31:48,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 21:31:48,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-20 21:31:48,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888685371] [2022-09-20 21:31:48,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 21:31:48,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-20 21:31:48,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:31:48,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-20 21:31:48,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-20 21:31:48,778 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 142 [2022-09-20 21:31:48,778 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 123 transitions, 277 flow. Second operand has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,779 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:31:48,779 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 142 [2022-09-20 21:31:48,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 21:31:48,885 INFO L130 PetriNetUnfolder]: 119/468 cut-off events. [2022-09-20 21:31:48,885 INFO L131 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2022-09-20 21:31:48,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 468 events. 119/468 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2220 event pairs, 16 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 775. Up to 79 conditions per place. [2022-09-20 21:31:48,889 INFO L137 encePairwiseOnDemand]: 137/142 looper letters, 36 selfloop transitions, 7 changer transitions 0/145 dead transitions. [2022-09-20 21:31:48,889 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 145 transitions, 431 flow [2022-09-20 21:31:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-20 21:31:48,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-20 21:31:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 626 transitions. [2022-09-20 21:31:48,891 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8816901408450705 [2022-09-20 21:31:48,891 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 626 transitions. [2022-09-20 21:31:48,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 626 transitions. [2022-09-20 21:31:48,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 21:31:48,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 626 transitions. [2022-09-20 21:31:48,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 125.2) internal successors, (626), 5 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,895 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,895 INFO L175 Difference]: Start difference. First operand has 128 places, 123 transitions, 277 flow. Second operand 5 states and 626 transitions. [2022-09-20 21:31:48,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 145 transitions, 431 flow [2022-09-20 21:31:48,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 145 transitions, 426 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-20 21:31:48,901 INFO L231 Difference]: Finished difference. Result has 134 places, 127 transitions, 320 flow [2022-09-20 21:31:48,901 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=320, PETRI_PLACES=134, PETRI_TRANSITIONS=127} [2022-09-20 21:31:48,902 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, 6 predicate places. [2022-09-20 21:31:48,903 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 127 transitions, 320 flow [2022-09-20 21:31:48,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:48,903 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:31:48,903 INFO L208 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] [2022-09-20 21:31:48,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-20 21:31:48,903 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-09-20 21:31:48,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:31:48,904 INFO L85 PathProgramCache]: Analyzing trace with hash -479802429, now seen corresponding path program 3 times [2022-09-20 21:31:48,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:31:48,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417075667] [2022-09-20 21:31:48,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:31:48,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:31:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:31:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:31:49,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:31:49,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417075667] [2022-09-20 21:31:49,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417075667] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 21:31:49,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 21:31:49,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-20 21:31:49,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21517920] [2022-09-20 21:31:49,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 21:31:49,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-20 21:31:49,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:31:49,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-20 21:31:49,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-20 21:31:49,053 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 142 [2022-09-20 21:31:49,054 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 127 transitions, 320 flow. Second operand has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,054 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:31:49,054 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 142 [2022-09-20 21:31:49,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 21:31:49,170 INFO L130 PetriNetUnfolder]: 211/627 cut-off events. [2022-09-20 21:31:49,170 INFO L131 PetriNetUnfolder]: For 255/262 co-relation queries the response was YES. [2022-09-20 21:31:49,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1247 conditions, 627 events. 211/627 cut-off events. For 255/262 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3192 event pairs, 20 based on Foata normal form. 11/557 useless extension candidates. Maximal degree in co-relation 1237. Up to 122 conditions per place. [2022-09-20 21:31:49,174 INFO L137 encePairwiseOnDemand]: 135/142 looper letters, 43 selfloop transitions, 7 changer transitions 12/163 dead transitions. [2022-09-20 21:31:49,174 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 163 transitions, 575 flow [2022-09-20 21:31:49,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-20 21:31:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-09-20 21:31:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 863 transitions. [2022-09-20 21:31:49,177 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8682092555331992 [2022-09-20 21:31:49,177 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 863 transitions. [2022-09-20 21:31:49,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 863 transitions. [2022-09-20 21:31:49,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 21:31:49,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 863 transitions. [2022-09-20 21:31:49,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 123.28571428571429) internal successors, (863), 7 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,181 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,181 INFO L175 Difference]: Start difference. First operand has 134 places, 127 transitions, 320 flow. Second operand 7 states and 863 transitions. [2022-09-20 21:31:49,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 163 transitions, 575 flow [2022-09-20 21:31:49,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 163 transitions, 566 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-20 21:31:49,184 INFO L231 Difference]: Finished difference. Result has 141 places, 125 transitions, 325 flow [2022-09-20 21:31:49,184 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=325, PETRI_PLACES=141, PETRI_TRANSITIONS=125} [2022-09-20 21:31:49,185 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, 13 predicate places. [2022-09-20 21:31:49,185 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 125 transitions, 325 flow [2022-09-20 21:31:49,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:31:49,186 INFO L208 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] [2022-09-20 21:31:49,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-20 21:31:49,186 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-09-20 21:31:49,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:31:49,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1728744340, now seen corresponding path program 1 times [2022-09-20 21:31:49,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:31:49,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897815831] [2022-09-20 21:31:49,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:31:49,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:31:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:31:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:31:49,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:31:49,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897815831] [2022-09-20 21:31:49,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897815831] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 21:31:49,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 21:31:49,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-20 21:31:49,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408914204] [2022-09-20 21:31:49,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 21:31:49,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-20 21:31:49,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:31:49,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-20 21:31:49,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-20 21:31:49,306 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 142 [2022-09-20 21:31:49,307 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 125 transitions, 325 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,307 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:31:49,307 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 142 [2022-09-20 21:31:49,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 21:31:49,349 INFO L130 PetriNetUnfolder]: 49/301 cut-off events. [2022-09-20 21:31:49,349 INFO L131 PetriNetUnfolder]: For 123/133 co-relation queries the response was YES. [2022-09-20 21:31:49,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 301 events. 49/301 cut-off events. For 123/133 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 923 event pairs, 9 based on Foata normal form. 13/288 useless extension candidates. Maximal degree in co-relation 502. Up to 70 conditions per place. [2022-09-20 21:31:49,351 INFO L137 encePairwiseOnDemand]: 136/142 looper letters, 17 selfloop transitions, 5 changer transitions 0/127 dead transitions. [2022-09-20 21:31:49,351 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 127 transitions, 363 flow [2022-09-20 21:31:49,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-20 21:31:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-09-20 21:31:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2022-09-20 21:31:49,352 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8826291079812206 [2022-09-20 21:31:49,352 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 376 transitions. [2022-09-20 21:31:49,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 376 transitions. [2022-09-20 21:31:49,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 21:31:49,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 376 transitions. [2022-09-20 21:31:49,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,355 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,355 INFO L175 Difference]: Start difference. First operand has 141 places, 125 transitions, 325 flow. Second operand 3 states and 376 transitions. [2022-09-20 21:31:49,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 127 transitions, 363 flow [2022-09-20 21:31:49,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 127 transitions, 339 flow, removed 1 selfloop flow, removed 11 redundant places. [2022-09-20 21:31:49,360 INFO L231 Difference]: Finished difference. Result has 133 places, 125 transitions, 311 flow [2022-09-20 21:31:49,360 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=133, PETRI_TRANSITIONS=125} [2022-09-20 21:31:49,362 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, 5 predicate places. [2022-09-20 21:31:49,362 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 125 transitions, 311 flow [2022-09-20 21:31:49,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:31:49,363 INFO L208 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] [2022-09-20 21:31:49,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-20 21:31:49,363 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-09-20 21:31:49,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:31:49,364 INFO L85 PathProgramCache]: Analyzing trace with hash -2127396576, now seen corresponding path program 1 times [2022-09-20 21:31:49,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:31:49,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066562169] [2022-09-20 21:31:49,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:31:49,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:31:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:31:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:31:49,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:31:49,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066562169] [2022-09-20 21:31:49,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066562169] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 21:31:49,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 21:31:49,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-20 21:31:49,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947426069] [2022-09-20 21:31:49,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 21:31:49,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-20 21:31:49,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:31:49,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-20 21:31:49,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-20 21:31:49,438 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 142 [2022-09-20 21:31:49,439 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 125 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,439 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:31:49,439 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 142 [2022-09-20 21:31:49,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 21:31:49,482 INFO L130 PetriNetUnfolder]: 79/365 cut-off events. [2022-09-20 21:31:49,482 INFO L131 PetriNetUnfolder]: For 88/114 co-relation queries the response was YES. [2022-09-20 21:31:49,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 365 events. 79/365 cut-off events. For 88/114 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1408 event pairs, 9 based on Foata normal form. 16/353 useless extension candidates. Maximal degree in co-relation 651. Up to 114 conditions per place. [2022-09-20 21:31:49,484 INFO L137 encePairwiseOnDemand]: 139/142 looper letters, 19 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2022-09-20 21:31:49,484 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 130 transitions, 369 flow [2022-09-20 21:31:49,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-20 21:31:49,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-09-20 21:31:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2022-09-20 21:31:49,486 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9061032863849765 [2022-09-20 21:31:49,486 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 386 transitions. [2022-09-20 21:31:49,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 386 transitions. [2022-09-20 21:31:49,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 21:31:49,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 386 transitions. [2022-09-20 21:31:49,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,488 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,488 INFO L175 Difference]: Start difference. First operand has 133 places, 125 transitions, 311 flow. Second operand 3 states and 386 transitions. [2022-09-20 21:31:49,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 130 transitions, 369 flow [2022-09-20 21:31:49,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 130 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-20 21:31:49,491 INFO L231 Difference]: Finished difference. Result has 135 places, 125 transitions, 314 flow [2022-09-20 21:31:49,491 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=135, PETRI_TRANSITIONS=125} [2022-09-20 21:31:49,491 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, 7 predicate places. [2022-09-20 21:31:49,491 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 125 transitions, 314 flow [2022-09-20 21:31:49,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:31:49,492 INFO L208 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] [2022-09-20 21:31:49,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-20 21:31:49,492 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-09-20 21:31:49,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:31:49,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1212210918, now seen corresponding path program 1 times [2022-09-20 21:31:49,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:31:49,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375011057] [2022-09-20 21:31:49,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:31:49,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:31:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:31:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:31:49,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:31:49,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375011057] [2022-09-20 21:31:49,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375011057] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 21:31:49,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 21:31:49,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-09-20 21:31:49,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474823314] [2022-09-20 21:31:49,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 21:31:49,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-20 21:31:49,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:31:49,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-20 21:31:49,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-09-20 21:31:49,566 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 142 [2022-09-20 21:31:49,567 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 125 transitions, 314 flow. Second operand has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:31:49,567 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 142 [2022-09-20 21:31:49,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 21:31:49,660 INFO L130 PetriNetUnfolder]: 60/412 cut-off events. [2022-09-20 21:31:49,660 INFO L131 PetriNetUnfolder]: For 108/138 co-relation queries the response was YES. [2022-09-20 21:31:49,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 412 events. 60/412 cut-off events. For 108/138 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1522 event pairs, 23 based on Foata normal form. 26/414 useless extension candidates. Maximal degree in co-relation 715. Up to 88 conditions per place. [2022-09-20 21:31:49,662 INFO L137 encePairwiseOnDemand]: 134/142 looper letters, 24 selfloop transitions, 6 changer transitions 8/137 dead transitions. [2022-09-20 21:31:49,662 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 137 transitions, 423 flow [2022-09-20 21:31:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-20 21:31:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-09-20 21:31:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 813 transitions. [2022-09-20 21:31:49,665 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.817907444668008 [2022-09-20 21:31:49,665 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 813 transitions. [2022-09-20 21:31:49,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 813 transitions. [2022-09-20 21:31:49,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 21:31:49,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 813 transitions. [2022-09-20 21:31:49,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 116.14285714285714) internal successors, (813), 7 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,668 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,668 INFO L175 Difference]: Start difference. First operand has 135 places, 125 transitions, 314 flow. Second operand 7 states and 813 transitions. [2022-09-20 21:31:49,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 137 transitions, 423 flow [2022-09-20 21:31:49,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 137 transitions, 421 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-20 21:31:49,671 INFO L231 Difference]: Finished difference. Result has 142 places, 126 transitions, 334 flow [2022-09-20 21:31:49,671 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=334, PETRI_PLACES=142, PETRI_TRANSITIONS=126} [2022-09-20 21:31:49,672 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, 14 predicate places. [2022-09-20 21:31:49,672 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 126 transitions, 334 flow [2022-09-20 21:31:49,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:49,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:31:49,673 INFO L208 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] [2022-09-20 21:31:49,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-20 21:31:49,673 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-09-20 21:31:49,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:31:49,673 INFO L85 PathProgramCache]: Analyzing trace with hash 901002901, now seen corresponding path program 1 times [2022-09-20 21:31:49,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:31:49,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92202793] [2022-09-20 21:31:49,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:31:49,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:31:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:31:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-09-20 21:31:49,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:31:49,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92202793] [2022-09-20 21:31:49,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92202793] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-20 21:31:49,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296085779] [2022-09-20 21:31:49,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:31:49,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 21:31:49,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 21:31:49,860 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) [2022-09-20 21:31:49,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-09-20 21:31:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:31:49,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 62 conjunts are in the unsatisfiable core [2022-09-20 21:31:49,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-20 21:31:50,028 INFO L390 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 [2022-09-20 21:31:50,087 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-20 21:31:50,087 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-09-20 21:31:50,118 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-20 21:31:50,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-09-20 21:31:50,538 INFO L356 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-09-20 21:31:50,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 30 [2022-09-20 21:31:50,671 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-09-20 21:31:50,943 INFO L390 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 [2022-09-20 21:31:51,009 INFO L390 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 [2022-09-20 21:31:51,066 INFO L390 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 [2022-09-20 21:31:51,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-09-20 21:31:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:31:51,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-20 21:31:52,486 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:31:52,486 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 56 [2022-09-20 21:31:52,497 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:31:52,498 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2636 treesize of output 2524 [2022-09-20 21:31:52,522 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:31:52,522 INFO L390 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 1866 treesize of output 1786 [2022-09-20 21:31:52,544 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:31:52,545 INFO L390 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 2412 treesize of output 2236 [2022-09-20 21:31:52,567 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:31:52,568 INFO L390 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 2220 treesize of output 1852 [2022-09-20 21:31:53,881 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:31:53,882 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 56 [2022-09-20 21:31:53,892 INFO L356 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-09-20 21:31:53,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 644 treesize of output 616 [2022-09-20 21:31:53,903 INFO L356 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-09-20 21:31:53,903 INFO L390 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 612 treesize of output 520 [2022-09-20 21:31:53,914 INFO L356 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-09-20 21:31:53,914 INFO L390 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 516 treesize of output 472 [2022-09-20 21:31:53,924 INFO L356 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-09-20 21:31:53,925 INFO L390 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 468 treesize of output 448 [2022-09-20 21:31:53,928 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-09-20 21:31:56,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:31:56,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296085779] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-20 21:31:56,940 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-20 21:31:56,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 26, 25] total 53 [2022-09-20 21:31:56,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850221396] [2022-09-20 21:31:56,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-20 21:31:56,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-09-20 21:31:56,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:31:56,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-09-20 21:31:56,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=580, Invalid=2071, Unknown=105, NotChecked=0, Total=2756 [2022-09-20 21:31:56,944 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 142 [2022-09-20 21:31:56,947 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 126 transitions, 334 flow. Second operand has 53 states, 53 states have (on average 64.94339622641509) internal successors, (3442), 53 states have internal predecessors, (3442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:31:56,947 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:31:56,947 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 142 [2022-09-20 21:31:56,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 21:32:01,422 INFO L130 PetriNetUnfolder]: 4619/9164 cut-off events. [2022-09-20 21:32:01,423 INFO L131 PetriNetUnfolder]: For 5322/5322 co-relation queries the response was YES. [2022-09-20 21:32:01,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22307 conditions, 9164 events. 4619/9164 cut-off events. For 5322/5322 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 75257 event pairs, 364 based on Foata normal form. 198/9056 useless extension candidates. Maximal degree in co-relation 22294. Up to 1039 conditions per place. [2022-09-20 21:32:01,469 INFO L137 encePairwiseOnDemand]: 107/142 looper letters, 358 selfloop transitions, 135 changer transitions 29/575 dead transitions. [2022-09-20 21:32:01,469 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 575 transitions, 2911 flow [2022-09-20 21:32:01,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-09-20 21:32:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2022-09-20 21:32:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 4584 transitions. [2022-09-20 21:32:01,479 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.48911651728553135 [2022-09-20 21:32:01,479 INFO L72 ComplementDD]: Start complementDD. Operand 66 states and 4584 transitions. [2022-09-20 21:32:01,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 4584 transitions. [2022-09-20 21:32:01,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 21:32:01,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 66 states and 4584 transitions. [2022-09-20 21:32:01,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 67 states, 66 states have (on average 69.45454545454545) internal successors, (4584), 66 states have internal predecessors, (4584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:32:01,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 67 states, 67 states have (on average 142.0) internal successors, (9514), 67 states have internal predecessors, (9514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:32:01,561 INFO L81 ComplementDD]: Finished complementDD. Result has 67 states, 67 states have (on average 142.0) internal successors, (9514), 67 states have internal predecessors, (9514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:32:01,562 INFO L175 Difference]: Start difference. First operand has 142 places, 126 transitions, 334 flow. Second operand 66 states and 4584 transitions. [2022-09-20 21:32:01,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 575 transitions, 2911 flow [2022-09-20 21:32:01,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 575 transitions, 2887 flow, removed 7 selfloop flow, removed 5 redundant places. [2022-09-20 21:32:01,573 INFO L231 Difference]: Finished difference. Result has 234 places, 275 transitions, 1481 flow [2022-09-20 21:32:01,573 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=66, PETRI_FLOW=1481, PETRI_PLACES=234, PETRI_TRANSITIONS=275} [2022-09-20 21:32:01,575 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, 106 predicate places. [2022-09-20 21:32:01,575 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 275 transitions, 1481 flow [2022-09-20 21:32:01,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 64.94339622641509) internal successors, (3442), 53 states have internal predecessors, (3442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:32:01,576 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:32:01,576 INFO L208 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] [2022-09-20 21:32:01,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-09-20 21:32:01,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 21:32:01,804 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-09-20 21:32:01,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:32:01,805 INFO L85 PathProgramCache]: Analyzing trace with hash -77205335, now seen corresponding path program 2 times [2022-09-20 21:32:01,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:32:01,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502679975] [2022-09-20 21:32:01,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:32:01,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:32:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:32:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-09-20 21:32:02,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:32:02,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502679975] [2022-09-20 21:32:02,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502679975] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-20 21:32:02,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836152335] [2022-09-20 21:32:02,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-20 21:32:02,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 21:32:02,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 21:32:02,005 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) [2022-09-20 21:32:02,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-20 21:32:02,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-09-20 21:32:02,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-20 21:32:02,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 53 conjunts are in the unsatisfiable core [2022-09-20 21:32:02,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-20 21:32:02,452 INFO L390 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 15 treesize of output 11 [2022-09-20 21:32:02,701 INFO L390 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 [2022-09-20 21:32:02,768 INFO L390 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 [2022-09-20 21:32:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-20 21:32:02,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-09-20 21:32:02,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-09-20 21:32:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:32:03,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-20 21:32:03,345 WARN L833 $PredicateComparison]: unable to prove that (or (<= c_~n~0 c_~front~0) (= (mod |c_thread2Thread1of1ForFork2_~b~0#1| 256) 0) (< c_~front~0 0) (and (forall ((v_ArrVal_175 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_175) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1)) (forall ((v_ArrVal_175 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_175) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4))))))) (not (= (select (select |c_#memory_int| c_~queue~0.base) (+ c_~queue~0.offset (* c_~back~0 4))) 1))) is different from false [2022-09-20 21:32:03,482 WARN L833 $PredicateComparison]: unable to prove that (or (and (forall ((v_ArrVal_174 (Array Int Int))) (or (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) c_~queue~0.base) (+ c_~queue~0.offset (* c_~back~0 4))) 1)) (forall ((v_ArrVal_175 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_175) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))))) (forall ((v_ArrVal_174 (Array Int Int))) (or (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) c_~queue~0.base) (+ c_~queue~0.offset (* c_~back~0 4))) 1)) (forall ((v_ArrVal_175 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_175) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))))) (<= c_~n~0 c_~front~0) (< c_~front~0 0)) is different from false [2022-09-20 21:32:03,575 WARN L833 $PredicateComparison]: unable to prove that (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_173 (Array Int Int)) (v_ArrVal_174 (Array Int Int))) (or (forall ((v_ArrVal_175 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_175) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1)) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) c_~queue~0.base) (+ c_~queue~0.offset (* c_~back~0 4))) 1)))) (forall ((v_ArrVal_173 (Array Int Int)) (v_ArrVal_174 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) c_~queue~0.base) (+ c_~queue~0.offset (* c_~back~0 4))) 1)) (forall ((v_ArrVal_175 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_175) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4))))))))) (< c_~front~0 0)) is different from false [2022-09-20 21:32:03,636 WARN L833 $PredicateComparison]: unable to prove that (or (<= c_~n~0 c_~front~0) (< c_~front~0 0) (and (forall ((v_ArrVal_173 (Array Int Int)) (v_ArrVal_174 (Array Int Int))) (or (forall ((v_ArrVal_175 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_175) |c_ULTIMATE.start_main_#t~ret9#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|))) 1)) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_#t~ret9#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|)) 1)))) (forall ((v_ArrVal_173 (Array Int Int)) (v_ArrVal_174 (Array Int Int))) (or (forall ((v_ArrVal_175 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_175) |c_ULTIMATE.start_main_#t~ret9#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|))))) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_#t~ret9#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|)) 1)))))) is different from false [2022-09-20 21:32:04,073 WARN L833 $PredicateComparison]: unable to prove that (or (< (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_173 (Array Int Int)) (v_ArrVal_174 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1)) (forall ((v_ArrVal_175 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_175) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))))) (forall ((v_ArrVal_173 (Array Int Int)) (v_ArrVal_174 (Array Int Int))) (or (forall ((v_ArrVal_175 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_175) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) 1)) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_173) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1))))) (< c_~front~0 0)) is different from false [2022-09-20 21:32:04,110 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:32:04,110 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 53 [2022-09-20 21:32:04,119 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:32:04,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1504 treesize of output 1440 [2022-09-20 21:32:04,161 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:32:04,162 INFO L390 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 782 treesize of output 738 [2022-09-20 21:32:04,176 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:32:04,176 INFO L390 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 1364 treesize of output 1260 [2022-09-20 21:32:04,187 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1142 treesize of output 950 [2022-09-20 21:32:05,288 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:32:05,289 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 53 [2022-09-20 21:32:05,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-20 21:32:05,298 INFO L356 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-09-20 21:32:05,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 136 [2022-09-20 21:32:05,306 INFO L356 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-09-20 21:32:05,306 INFO L390 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 132 treesize of output 112 [2022-09-20 21:32:05,314 INFO L356 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-09-20 21:32:05,315 INFO L390 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 83 treesize of output 75 [2022-09-20 21:32:05,340 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-09-20 21:32:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:32:05,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836152335] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-20 21:32:05,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-20 21:32:05,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 26, 25] total 59 [2022-09-20 21:32:05,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933574780] [2022-09-20 21:32:05,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-20 21:32:05,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-09-20 21:32:05,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:32:05,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-09-20 21:32:05,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=2486, Unknown=82, NotChecked=540, Total=3422 [2022-09-20 21:32:05,938 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 142 [2022-09-20 21:32:05,941 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 275 transitions, 1481 flow. Second operand has 59 states, 59 states have (on average 64.7457627118644) internal successors, (3820), 59 states have internal predecessors, (3820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:32:05,941 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:32:05,941 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 142 [2022-09-20 21:32:05,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 21:32:10,814 INFO L130 PetriNetUnfolder]: 5924/11884 cut-off events. [2022-09-20 21:32:10,815 INFO L131 PetriNetUnfolder]: For 57851/58355 co-relation queries the response was YES. [2022-09-20 21:32:10,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43654 conditions, 11884 events. 5924/11884 cut-off events. For 57851/58355 co-relation queries the response was YES. Maximal size of possible extension queue 552. Compared 101486 event pairs, 520 based on Foata normal form. 228/11719 useless extension candidates. Maximal degree in co-relation 43610. Up to 1500 conditions per place. [2022-09-20 21:32:10,906 INFO L137 encePairwiseOnDemand]: 106/142 looper letters, 376 selfloop transitions, 193 changer transitions 55/677 dead transitions. [2022-09-20 21:32:10,907 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 677 transitions, 5237 flow [2022-09-20 21:32:10,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-09-20 21:32:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2022-09-20 21:32:10,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 3445 transitions. [2022-09-20 21:32:10,913 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.4852112676056338 [2022-09-20 21:32:10,913 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 3445 transitions. [2022-09-20 21:32:10,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 3445 transitions. [2022-09-20 21:32:10,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 21:32:10,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 3445 transitions. [2022-09-20 21:32:10,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 68.9) internal successors, (3445), 50 states have internal predecessors, (3445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:32:10,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 142.0) internal successors, (7242), 51 states have internal predecessors, (7242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:32:10,928 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 142.0) internal successors, (7242), 51 states have internal predecessors, (7242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:32:10,928 INFO L175 Difference]: Start difference. First operand has 234 places, 275 transitions, 1481 flow. Second operand 50 states and 3445 transitions. [2022-09-20 21:32:10,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 677 transitions, 5237 flow [2022-09-20 21:32:11,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 677 transitions, 4622 flow, removed 179 selfloop flow, removed 28 redundant places. [2022-09-20 21:32:11,162 INFO L231 Difference]: Finished difference. Result has 262 places, 393 transitions, 2718 flow [2022-09-20 21:32:11,163 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=1211, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=2718, PETRI_PLACES=262, PETRI_TRANSITIONS=393} [2022-09-20 21:32:11,163 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, 134 predicate places. [2022-09-20 21:32:11,163 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 393 transitions, 2718 flow [2022-09-20 21:32:11,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 64.7457627118644) internal successors, (3820), 59 states have internal predecessors, (3820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:32:11,165 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:32:11,165 INFO L208 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] [2022-09-20 21:32:11,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-09-20 21:32:11,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-09-20 21:32:11,381 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-09-20 21:32:11,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:32:11,381 INFO L85 PathProgramCache]: Analyzing trace with hash -343709951, now seen corresponding path program 3 times [2022-09-20 21:32:11,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:32:11,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456887699] [2022-09-20 21:32:11,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:32:11,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:32:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:32:12,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:32:12,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:32:12,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456887699] [2022-09-20 21:32:12,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456887699] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-20 21:32:12,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228828962] [2022-09-20 21:32:12,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-09-20 21:32:12,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 21:32:12,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 21:32:12,476 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) [2022-09-20 21:32:12,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-20 21:32:12,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-09-20 21:32:12,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-20 21:32:12,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 64 conjunts are in the unsatisfiable core [2022-09-20 21:32:12,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-20 21:32:12,584 INFO L390 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 [2022-09-20 21:32:12,826 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-20 21:32:12,826 INFO L390 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 [2022-09-20 21:32:13,024 INFO L390 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 15 treesize of output 11 [2022-09-20 21:32:13,426 INFO L390 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 [2022-09-20 21:32:13,523 INFO L390 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 [2022-09-20 21:32:13,783 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-09-20 21:32:13,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-09-20 21:32:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:32:13,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-20 21:32:14,094 WARN L833 $PredicateComparison]: unable to prove that (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0)) is different from false [2022-09-20 21:32:14,133 WARN L833 $PredicateComparison]: unable to prove that (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select (select |c_#memory_int| c_~queue~0.base) (+ c_~queue~0.offset (* c_~back~0 4))) 1))) is different from false [2022-09-20 21:32:14,358 WARN L833 $PredicateComparison]: unable to prove that (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_212 (Array Int Int))) (or (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1)) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) c_~queue~0.base) (+ c_~queue~0.offset (* c_~back~0 4))) 1)))) (forall ((v_ArrVal_212 (Array Int Int))) (or (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) c_~queue~0.base) (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) (< c_~front~0 0)) is different from false [2022-09-20 21:32:14,570 WARN L833 $PredicateComparison]: unable to prove that (or (and (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_#t~ret9#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|)) 1)) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_main_#t~ret9#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|))) 1)))) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_#t~ret9#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|)) 1)) (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_main_#t~ret9#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|)))))))) (<= c_~n~0 c_~front~0) (< c_~front~0 0)) is different from false [2022-09-20 21:32:14,598 WARN L833 $PredicateComparison]: unable to prove that (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) 1)) (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))))))) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) 1)) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) 1))))) (< c_~front~0 0)) is different from false [2022-09-20 21:32:14,613 WARN L833 $PredicateComparison]: unable to prove that (or (and (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1)) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) 1)))) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1)) (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))))))) (<= c_~n~0 c_~front~0) (< c_~front~0 0)) is different from false [2022-09-20 21:32:14,725 WARN L833 $PredicateComparison]: unable to prove that (or (and (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1)) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) 1)))) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1)) (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~front~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))))))) (<= c_~n~0 c_~front~0) (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post20#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (< c_~front~0 0)) is different from false [2022-09-20 21:32:14,844 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:32:14,844 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 53 [2022-09-20 21:32:14,851 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:32:14,851 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 232 treesize of output 232 [2022-09-20 21:32:14,856 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 128 [2022-09-20 21:32:14,864 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:32:14,864 INFO L390 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 192 treesize of output 184 [2022-09-20 21:32:14,874 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:32:14,874 INFO L390 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 113 treesize of output 117 [2022-09-20 21:32:15,149 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-20 21:32:15,150 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 53 [2022-09-20 21:32:15,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-20 21:32:15,159 INFO L356 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-09-20 21:32:15,159 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 288 [2022-09-20 21:32:15,169 INFO L356 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-09-20 21:32:15,169 INFO L390 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 284 treesize of output 264 [2022-09-20 21:32:15,177 INFO L356 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2022-09-20 21:32:15,177 INFO L390 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 260 treesize of output 216 [2022-09-20 21:32:15,202 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-09-20 21:32:16,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-09-20 21:32:16,275 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-09-20 21:32:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-09-20 21:32:16,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228828962] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-20 21:32:16,321 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-20 21:32:16,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 26, 25] total 68 [2022-09-20 21:32:16,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283610833] [2022-09-20 21:32:16,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-20 21:32:16,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-09-20 21:32:16,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:32:16,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-09-20 21:32:16,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=3284, Unknown=57, NotChecked=868, Total=4556 [2022-09-20 21:32:16,324 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 142 [2022-09-20 21:32:16,327 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 393 transitions, 2718 flow. Second operand has 68 states, 68 states have (on average 56.48529411764706) internal successors, (3841), 68 states have internal predecessors, (3841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:32:16,327 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:32:16,327 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 142 [2022-09-20 21:32:16,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 21:32:19,212 WARN L833 $PredicateComparison]: unable to prove that (and (not (<= (mod |c_thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select (select |c_#memory_int| c_~queue~0.base) (+ c_~queue~0.offset (* c_~back~0 4))) 1)))) is different from false [2022-09-20 21:32:23,547 WARN L833 $PredicateComparison]: unable to prove that (and (not (<= (mod |c_thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0))) is different from false [2022-09-20 21:32:49,300 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse7 (+ c_~queue~0.offset (* c_~front~0 4)))) (let ((.cse6 (select (select |c_#memory_int| c_~queue~0.base) .cse7))) (let ((.cse0 (<= .cse7 0)) (.cse1 (not (= .cse7 0))) (.cse2 (<= .cse6 1)) (.cse3 (<= 1 .cse6)) (.cse4 (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|))) (.cse5 (= c_~sum~0 0))) (and .cse0 (not (<= (mod |c_thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or .cse0 (<= (+ c_~front~0 c_~n~0) (+ c_~back~0 1))) (<= 1 |c_thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |c_thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (or .cse1 (and (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t2~0#1.base|)) (or (= (+ c_~queue~0.offset (* c_~back~0 4)) 0) (and .cse2 .cse3)) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t1~0#1.base|)) .cse4 .cse5)) (= c_~queue~0.offset 0) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0)) (or .cse1 (and .cse2 .cse3 .cse4 .cse5)))))) is different from false [2022-09-20 21:32:49,320 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse7 (+ c_~queue~0.offset (* c_~front~0 4)))) (let ((.cse6 (select (select |c_#memory_int| c_~queue~0.base) .cse7))) (let ((.cse0 (<= .cse7 0)) (.cse1 (not (= .cse7 0))) (.cse2 (<= .cse6 1)) (.cse3 (<= 1 .cse6)) (.cse4 (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|))) (.cse5 (= c_~sum~0 0))) (and .cse0 (not (<= (mod |c_thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or .cse0 (<= (+ c_~front~0 c_~n~0) (+ c_~back~0 1))) (or .cse1 (and (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t2~0#1.base|)) (or (= (+ c_~queue~0.offset (* c_~back~0 4)) 0) (and .cse2 .cse3)) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t1~0#1.base|)) .cse4 .cse5)) (= c_~queue~0.offset 0) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0)) (or .cse1 (and .cse2 .cse3 .cse4 .cse5)))))) is different from false [2022-09-20 21:32:50,408 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse7 (+ c_~queue~0.offset (* c_~front~0 4)))) (let ((.cse6 (select (select |c_#memory_int| c_~queue~0.base) .cse7))) (let ((.cse0 (<= .cse7 0)) (.cse1 (not (= .cse7 0))) (.cse2 (<= .cse6 1)) (.cse3 (<= 1 .cse6)) (.cse4 (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|))) (.cse5 (= c_~sum~0 0))) (and .cse0 (or .cse0 (<= (+ c_~front~0 c_~n~0) (+ c_~back~0 1))) (<= 1 |c_thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |c_thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (or .cse1 (and (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t2~0#1.base|)) (or (= (+ c_~queue~0.offset (* c_~back~0 4)) 0) (and .cse2 .cse3)) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t1~0#1.base|)) .cse4 .cse5)) (= c_~queue~0.offset 0) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0)) (or .cse1 (and .cse2 .cse3 .cse4 .cse5)))))) is different from false [2022-09-20 21:32:50,424 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse7 (+ c_~queue~0.offset (* c_~front~0 4)))) (let ((.cse6 (select (select |c_#memory_int| c_~queue~0.base) .cse7))) (let ((.cse0 (<= .cse7 0)) (.cse1 (not (= .cse7 0))) (.cse2 (<= .cse6 1)) (.cse3 (<= 1 .cse6)) (.cse4 (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|))) (.cse5 (= c_~sum~0 0))) (and .cse0 (or .cse0 (<= (+ c_~front~0 c_~n~0) (+ c_~back~0 1))) (or .cse1 (and (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t2~0#1.base|)) (or (= (+ c_~queue~0.offset (* c_~back~0 4)) 0) (and .cse2 .cse3)) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t1~0#1.base|)) .cse4 .cse5)) (= c_~queue~0.offset 0) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0)) (or .cse1 (and .cse2 .cse3 .cse4 .cse5)))))) is different from false [2022-09-20 21:33:00,183 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse2 (select |c_#memory_int| c_~queue~0.base))) (and (<= .cse0 0) (not (<= (mod |c_thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (= c_~queue~0.offset 0) (or (not (= .cse0 0)) (let ((.cse1 (select .cse2 .cse0))) (and (<= .cse1 1) (<= 1 .cse1) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|)) (= c_~sum~0 0)))) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select .cse2 (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) is different from false [2022-09-20 21:33:01,901 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse2 (select |c_#memory_int| c_~queue~0.base))) (and (<= .cse0 0) (= c_~queue~0.offset 0) (or (not (= .cse0 0)) (let ((.cse1 (select .cse2 .cse0))) (and (<= .cse1 1) (<= 1 .cse1) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|)) (= c_~sum~0 0)))) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select .cse2 (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) is different from false [2022-09-20 21:33:05,065 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse2 (select |c_#memory_int| c_~queue~0.base))) (and (<= .cse0 0) (not (<= (mod |c_thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (= c_~queue~0.offset 0) (<= 0 c_~sum~0) (<= c_~sum~0 1) (or (not (= .cse0 0)) (let ((.cse1 (select .cse2 .cse0))) (and (<= .cse1 1) (<= 1 .cse1) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|)) (= c_~sum~0 0)))) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select .cse2 (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) is different from false [2022-09-20 21:33:06,584 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse2 (select |c_#memory_int| c_~queue~0.base))) (and (<= .cse0 0) (= c_~queue~0.offset 0) (<= 0 c_~sum~0) (<= c_~sum~0 1) (or (not (= .cse0 0)) (let ((.cse1 (select .cse2 .cse0))) (and (<= .cse1 1) (<= 1 .cse1) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|)) (= c_~sum~0 0)))) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select .cse2 (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) is different from false [2022-09-20 21:33:13,537 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse2 (select |c_#memory_int| c_~queue~0.base))) (and (<= .cse0 0) (not (<= (mod |c_thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= c_~v_assert~0 1) (= c_~queue~0.offset 0) (<= 1 c_~v_assert~0) (<= 0 c_~sum~0) (<= c_~sum~0 1) (or (not (= .cse0 0)) (let ((.cse1 (select .cse2 .cse0))) (and (<= .cse1 1) (<= 1 .cse1) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|)) (= c_~sum~0 0)))) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select .cse2 (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) is different from false [2022-09-20 21:33:14,925 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse2 (select |c_#memory_int| c_~queue~0.base))) (and (<= .cse0 0) (not (<= (mod |c_thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= 1 |c_thread2Thread1of1ForFork2_~cond~1#1|) (<= c_~v_assert~0 1) (<= (div |c_thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (= c_~queue~0.offset 0) (<= 1 c_~v_assert~0) (<= 0 c_~sum~0) (<= c_~sum~0 1) (or (not (= .cse0 0)) (let ((.cse1 (select .cse2 .cse0))) (and (<= .cse1 1) (<= 1 .cse1) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|)) (= c_~sum~0 0)))) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select .cse2 (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) is different from false [2022-09-20 21:33:14,959 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse2 (select |c_#memory_int| c_~queue~0.base))) (and (<= .cse0 0) (<= 1 |c_thread1Thread1of1ForFork1_~cond~0#1|) (<= |c_thread1Thread1of1ForFork1_~cond~0#1| 1) (= c_~queue~0.offset 0) (or (not (= .cse0 0)) (let ((.cse1 (select .cse2 .cse0))) (and (<= .cse1 1) (<= 1 .cse1) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|)) (= c_~sum~0 0)))) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select .cse2 (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) is different from false [2022-09-20 21:33:15,088 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse2 (select |c_#memory_int| c_~queue~0.base))) (and (<= .cse0 0) (<= c_~v_assert~0 1) (= c_~queue~0.offset 0) (<= 1 c_~v_assert~0) (<= 0 c_~sum~0) (<= c_~sum~0 1) (or (not (= .cse0 0)) (let ((.cse1 (select .cse2 .cse0))) (and (<= .cse1 1) (<= 1 .cse1) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|)) (= c_~sum~0 0)))) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select .cse2 (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) is different from false [2022-09-20 21:33:15,094 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse2 (select |c_#memory_int| c_~queue~0.base))) (and (<= .cse0 0) (<= c_~v_assert~0 1) (<= 1 |c_thread1Thread1of1ForFork1_~cond~0#1|) (<= |c_thread1Thread1of1ForFork1_~cond~0#1| 1) (= c_~queue~0.offset 0) (<= 1 c_~v_assert~0) (<= 0 c_~sum~0) (<= c_~sum~0 1) (or (not (= .cse0 0)) (let ((.cse1 (select .cse2 .cse0))) (and (<= .cse1 1) (<= 1 .cse1) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|)) (= c_~sum~0 0)))) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select .cse2 (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) is different from false [2022-09-20 21:33:15,101 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse2 (select |c_#memory_int| c_~queue~0.base))) (and (<= .cse0 0) (<= 1 |c_thread2Thread1of1ForFork2_~cond~1#1|) (<= c_~v_assert~0 1) (<= (div |c_thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= 1 |c_thread1Thread1of1ForFork1_~cond~0#1|) (<= |c_thread1Thread1of1ForFork1_~cond~0#1| 1) (= c_~queue~0.offset 0) (<= 1 c_~v_assert~0) (<= 0 c_~sum~0) (<= c_~sum~0 1) (or (not (= .cse0 0)) (let ((.cse1 (select .cse2 .cse0))) (and (<= .cse1 1) (<= 1 .cse1) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|)) (= c_~sum~0 0)))) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select .cse2 (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) is different from false [2022-09-20 21:33:16,251 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse2 (select |c_#memory_int| c_~queue~0.base))) (and (<= .cse0 0) (<= 1 |c_thread2Thread1of1ForFork2_~cond~1#1|) (<= c_~v_assert~0 1) (<= (div |c_thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (= c_~queue~0.offset 0) (<= 1 c_~v_assert~0) (<= 0 c_~sum~0) (<= c_~sum~0 1) (or (not (= .cse0 0)) (let ((.cse1 (select .cse2 .cse0))) (and (<= .cse1 1) (<= 1 .cse1) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|)) (= c_~sum~0 0)))) (or (<= c_~n~0 c_~front~0) (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) (< c_~front~0 0) (not (= (select .cse2 (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) is different from false [2022-09-20 21:33:20,773 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse9 (+ c_~queue~0.offset (* c_~front~0 4)))) (let ((.cse8 (select (select |c_#memory_int| c_~queue~0.base) .cse9))) (let ((.cse0 (<= .cse9 0)) (.cse1 (<= c_~n~0 c_~front~0)) (.cse2 (< c_~front~0 0)) (.cse3 (not (= .cse9 0))) (.cse4 (<= .cse8 1)) (.cse5 (<= 1 .cse8)) (.cse6 (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t3~0#1.base|))) (.cse7 (= c_~sum~0 0))) (and .cse0 (not (<= (mod |c_thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or .cse0 (<= (+ c_~front~0 c_~n~0) (+ c_~back~0 1))) (or .cse1 (and (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) c_~queue~0.base) (+ c_~queue~0.offset (* c_~back~0 4))) 1)) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1)))) (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (or (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) c_~queue~0.base) (+ c_~queue~0.offset (* c_~back~0 4))) 1))))) .cse2) (or .cse3 (and (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t2~0#1.base|)) (or (= (+ c_~queue~0.offset (* c_~back~0 4)) 0) (and .cse4 .cse5)) (not (= c_~queue~0.base |c_ULTIMATE.start_main_~#t1~0#1.base|)) .cse6 .cse7)) (= c_~queue~0.offset 0) (or .cse1 (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ c_~sum~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) c_~queue~0.base) (+ c_~queue~0.offset (* c_~front~0 4)))) 1))) .cse2) (or .cse3 (and .cse4 .cse5 .cse6 .cse7)))))) is different from false [2022-09-20 21:33:26,407 INFO L130 PetriNetUnfolder]: 97947/175188 cut-off events. [2022-09-20 21:33:26,407 INFO L131 PetriNetUnfolder]: For 876126/877155 co-relation queries the response was YES. [2022-09-20 21:33:28,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755417 conditions, 175188 events. 97947/175188 cut-off events. For 876126/877155 co-relation queries the response was YES. Maximal size of possible extension queue 6499. Compared 1944934 event pairs, 6965 based on Foata normal form. 3498/173560 useless extension candidates. Maximal degree in co-relation 755376. Up to 43641 conditions per place. [2022-09-20 21:33:28,682 INFO L137 encePairwiseOnDemand]: 92/142 looper letters, 4227 selfloop transitions, 3082 changer transitions 2571/9925 dead transitions. [2022-09-20 21:33:28,682 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 692 places, 9925 transitions, 98381 flow [2022-09-20 21:33:28,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 431 states. [2022-09-20 21:33:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2022-09-20 21:33:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 27775 transitions. [2022-09-20 21:33:28,707 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.453825038397438 [2022-09-20 21:33:28,707 INFO L72 ComplementDD]: Start complementDD. Operand 431 states and 27775 transitions. [2022-09-20 21:33:28,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 431 states and 27775 transitions. [2022-09-20 21:33:28,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 21:33:28,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 431 states and 27775 transitions. [2022-09-20 21:33:28,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 432 states, 431 states have (on average 64.4431554524362) internal successors, (27775), 431 states have internal predecessors, (27775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:33:28,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 432 states, 432 states have (on average 142.0) internal successors, (61344), 432 states have internal predecessors, (61344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:33:28,892 INFO L81 ComplementDD]: Finished complementDD. Result has 432 states, 432 states have (on average 142.0) internal successors, (61344), 432 states have internal predecessors, (61344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:33:28,892 INFO L175 Difference]: Start difference. First operand has 262 places, 393 transitions, 2718 flow. Second operand 431 states and 27775 transitions. [2022-09-20 21:33:28,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 692 places, 9925 transitions, 98381 flow [2022-09-20 21:33:57,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 9925 transitions, 89649 flow, removed 3887 selfloop flow, removed 33 redundant places. [2022-09-20 21:33:57,517 INFO L231 Difference]: Finished difference. Result has 1013 places, 4194 transitions, 49106 flow [2022-09-20 21:33:57,517 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=2308, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=431, PETRI_FLOW=49106, PETRI_PLACES=1013, PETRI_TRANSITIONS=4194} [2022-09-20 21:33:57,518 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, 885 predicate places. [2022-09-20 21:33:57,518 INFO L495 AbstractCegarLoop]: Abstraction has has 1013 places, 4194 transitions, 49106 flow [2022-09-20 21:33:57,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 56.48529411764706) internal successors, (3841), 68 states have internal predecessors, (3841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:33:57,518 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:33:57,519 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 21:33:57,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-09-20 21:33:57,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-20 21:33:57,735 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-09-20 21:33:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:33:57,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1055237232, now seen corresponding path program 4 times [2022-09-20 21:33:57,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:33:57,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182008489] [2022-09-20 21:33:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:33:57,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:33:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:33:57,775 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-09-20 21:33:57,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:33:57,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182008489] [2022-09-20 21:33:57,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182008489] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 21:33:57,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 21:33:57,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-20 21:33:57,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231585663] [2022-09-20 21:33:57,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 21:33:57,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-20 21:33:57,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:33:57,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-20 21:33:57,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-20 21:33:57,776 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 142 [2022-09-20 21:33:57,777 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1013 places, 4194 transitions, 49106 flow. Second operand has 4 states, 4 states have (on average 124.5) internal successors, (498), 4 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:33:57,777 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:33:57,777 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 142 [2022-09-20 21:33:57,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 21:34:22,652 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([426] L71-1-->L71-2: Formula: (= |v_thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| (ite (and (<= 0 v_~back~0_7) (< v_~back~0_7 v_~n~0_2)) 1 0)) InVars {~back~0=v_~back~0_7, ~n~0=v_~n~0_2} OutVars{~back~0=v_~back~0_7, thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, ~n~0=v_~n~0_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][663], [Black: 3203#(and (<= 0 ~sum~0) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= ~sum~0 1)), Black: 2856#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0)), Black: 2905#(and (<= 0 ~sum~0) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= ~sum~0 1)), Black: 3389#(and (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (<= ~n~0 ~back~0) (not (<= 0 ~back~0))) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0)), Black: 2996#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0)), Black: 3510#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ ~sum~0 (select (select (store |#memory_int| |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ ~sum~0 (select (select (store |#memory_int| |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1))) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (= 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|ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= ~sum~0 1)), Black: 3465#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)), Black: 3492#(and (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (<= ~n~0 ~back~0) (not (<= 0 ~back~0))) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (= ~queue~0.offset 0) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 3638#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1) (<= 1 ~sum~0)), Black: 3112#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0)), Black: 2803#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ ~front~0 ~n~0) (+ ~back~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~back~0 ~front~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~sum~0 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~queue~0.offset 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= |thread2Thread1of1ForFork2_~b~0#1| 1) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3174#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or (<= ~n~0 ~front~0) (and (<= (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1) (<= 0 (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (< ~front~0 0))), Black: 3354#(and (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= ~sum~0 1) (<= 1 ~sum~0)), Black: 2801#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ ~front~0 ~n~0) (+ ~back~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~sum~0 0) (= (+ (* (- 1) ~front~0) ~back~0) 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~queue~0.offset 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= |thread2Thread1of1ForFork2_~b~0#1| 1) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3731#(and (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1) (<= 1 ~sum~0)), Black: 2946#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0)), Black: 3428#(and (<= 0 ~sum~0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1)), Black: 2956#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0)), Black: 3506#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0))), Black: 2970#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= 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|thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 1) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)), Black: 2799#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ ~front~0 ~n~0) (+ ~back~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~sum~0 0) (= (+ (* (- 1) ~front~0) ~back~0) 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~queue~0.offset 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= |thread2Thread1of1ForFork2_~b~0#1| 1) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3671#(and (<= 0 ~sum~0) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= ~sum~0 1) (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)))), Black: 3678#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= ~sum~0 1) (<= 1 ~sum~0)), Black: 2978#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= ~n~0 ~front~0) (and (<= (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1) (<= 0 (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (< ~front~0 0)) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 3655#(and (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)))), Black: 3133#(and (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (<= 1 ~sum~0)), Black: 3415#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (<= 1 ~sum~0)), Black: 3340#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 2984#(and (<= 0 ~sum~0) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (<= ~n~0 ~back~0) (not (<= 0 ~back~0))) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1)), Black: 3253#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (<= ~n~0 ~back~0) (not (<= 0 ~back~0))) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0)), Black: 2471#(or (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ ~sum~0 (select (select (store |#memory_int| |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ ~sum~0 (select (select (store |#memory_int| |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1))) (not (= (select (select |#memory_int| ~queue~0.base) (+ ~queue~0.offset (* ~back~0 4))) 1)) (<= ~n~0 ~front~0) (< ~front~0 0)), Black: 3664#(and (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (or (<= ~n~0 ~front~0) (and (<= (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1) (<= 0 (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (< ~front~0 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)), Black: 3766#(and (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)), Black: 999#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 ~v_assert~0) (<= ~n~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~v_assert~0 1) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t2~0#1.base|) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= ~back~0 ~front~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~sum~0 0) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= ~v_assert~0 |thread1Thread1of1ForFork1_~cond~0#1|) (<= ~n~0 1) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1)), Black: 3683#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= ~sum~0 1) (<= 1 ~sum~0)), Black: 2843#(and (= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1) (= ~sum~0 0) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~n~0 1) (or (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)), Black: 985#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 ~v_assert~0) (<= ~n~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~v_assert~0 1) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (<= ~n~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= ~back~0 ~front~0) (= ~sum~0 0) (<= |ULTIMATE.start_create_fresh_int_array_#t~post20#1| 0) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1)), Black: 3391#(and (<= 0 ~sum~0) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (<= ~n~0 ~back~0) (not (<= 0 ~back~0))) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), 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|thread2Thread1of1ForFork2_~b~0#1| 256) 0) (not (= (select (select |#memory_int| ~queue~0.base) (+ ~queue~0.offset (* ~back~0 4))) 1)) (<= ~n~0 ~front~0) (and (<= (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1) (<= 0 (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (< ~front~0 0))), Black: 981#(and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 ~v_assert~0) (<= ~n~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~v_assert~0 1) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#t2~0#1.base|) (<= ~n~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= ~back~0 ~front~0) (= ~sum~0 0) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 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|ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or (= (mod |thread2Thread1of1ForFork2_~b~0#1| 256) 0) (not (= (select (select |#memory_int| ~queue~0.base) (+ ~queue~0.offset (* ~back~0 4))) 1)) (<= ~n~0 ~front~0) (and (<= (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1) (<= 0 (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (< ~front~0 0))), Black: 3424#(and (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset 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|ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1))) (not (= (select (select |#memory_int| ~queue~0.base) (+ ~queue~0.offset (* ~back~0 4))) 1)) (<= ~n~0 ~front~0) (< ~front~0 0)) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0))), Black: 3706#(and (<= 0 ~sum~0) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1) (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)))), Black: 2828#(and (<= (+ |#StackHeapBarrier| 1) 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|ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~sum~0 0) (= (+ (* (- 1) ~front~0) ~back~0) 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~queue~0.offset 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= |thread2Thread1of1ForFork2_~b~0#1| 1) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 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|thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0))), Black: 3648#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 3248#(and (or (<= (+ ~front~0 ~n~0) (+ 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|ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)), Black: 2811#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ ~front~0 ~n~0) (+ ~back~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~back~0 ~front~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~sum~0 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~queue~0.offset 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= |thread2Thread1of1ForFork2_~b~0#1| 1) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3804#(and (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (not (<= (mod ~v_assert~0 256) 0))), Black: 3191#(and (<= 0 ~sum~0) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (<= ~n~0 ~back~0) (not (<= 0 ~back~0))) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= (+ (* 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|ULTIMATE.start_main_~#t3~0#1.base|)) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0))), Black: 2835#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 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|thread2Thread1of1ForFork2_~cond~1#1|) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= ~n~0 ~front~0) (and (<= (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1) (<= 0 (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (< ~front~0 0)) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 3002#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= ~n~0 ~front~0) (and (<= (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1) (<= 0 (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (< ~front~0 0)) (<= 1 ~sum~0) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 2903#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= 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(or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0))), Black: 2005#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1)), Black: 3500#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 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|ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= ~sum~0 1) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)), Black: 2861#(and (or (< (+ 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tUnfolder$Statistics]: this new event has 118 ancestors and is cut-off event [2022-09-20 21:34:22,658 INFO L386 tUnfolder$Statistics]: existing Event has 118 ancestors and is cut-off event [2022-09-20 21:34:22,659 INFO L386 tUnfolder$Statistics]: existing Event has 118 ancestors and is cut-off event [2022-09-20 21:34:22,659 INFO L386 tUnfolder$Statistics]: existing Event has 118 ancestors and is cut-off event [2022-09-20 21:34:22,659 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([426] L71-1-->L71-2: Formula: (= |v_thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| (ite (and (<= 0 v_~back~0_7) (< v_~back~0_7 v_~n~0_2)) 1 0)) InVars {~back~0=v_~back~0_7, ~n~0=v_~n~0_2} OutVars{~back~0=v_~back~0_7, thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, ~n~0=v_~n~0_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][663], [Black: 3203#(and 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~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)), Black: 3492#(and (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (<= ~n~0 ~back~0) (not (<= 0 ~back~0))) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (= ~queue~0.offset 0) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 3638#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1) (<= 1 ~sum~0)), Black: 3112#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0)), Black: 2803#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ ~front~0 ~n~0) (+ ~back~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~back~0 ~front~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~sum~0 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~queue~0.offset 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= |thread2Thread1of1ForFork2_~b~0#1| 1) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3174#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or (<= ~n~0 ~front~0) (and (<= (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1) (<= 0 (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (< ~front~0 0))), Black: 3354#(and (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= ~sum~0 1) (<= 1 ~sum~0)), Black: 2801#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ ~front~0 ~n~0) (+ ~back~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~sum~0 0) (= (+ (* (- 1) ~front~0) ~back~0) 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~queue~0.offset 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= |thread2Thread1of1ForFork2_~b~0#1| 1) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3731#(and (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1) (<= 1 ~sum~0)), Black: 2946#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0)), Black: 3428#(and (<= 0 ~sum~0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1)), Black: 2956#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= (+ (* ~front~0 4) 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|ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0)), Black: 3387#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (<= ~n~0 ~back~0) (not (<= 0 ~back~0))) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 3151#(and (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0))), Black: 3031#(and (<= 0 ~sum~0) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (<= ~n~0 ~back~0) (not (<= 0 ~back~0))) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1)), Black: 3545#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (not (= (+ (* ~front~0 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(or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= 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(select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (<= ~n~0 ~back~0) (not (<= 0 ~back~0))) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0)), Black: 3448#(and (<= 0 ~sum~0) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (and (or (<= ~n~0 ~back~0) (not (<= 0 ~back~0))) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1)), Black: 3193#(and (<= 0 ~sum~0) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= ~sum~0 1) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)), Black: 3409#(and (<= 0 ~sum~0) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1)), Black: 2972#(and (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 0 (+ ~sum~0 1)) (<= ~sum~0 0) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0)), Black: 3742#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 2980#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 2963#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= ~n~0 ~front~0) (and (<= (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1) (<= 0 (+ ~sum~0 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (< ~front~0 0)) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0)), Black: 3590#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (<= ~sum~0 1) (<= 1 ~sum~0)), Black: 2912#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (and (not (= |ULTIMATE.start_create_fresh_int_array_#t~malloc19#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (= (* ~front~0 4) (* ~back~0 4))) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0)), Black: 3807#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (and (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ ~sum~0 (select (select (store |#memory_int| |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ ~sum~0 (select (select (store |#memory_int| |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1))) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base 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~queue~0.base) (+ ~queue~0.offset (* ~back~0 4))) 1)) (forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_211) |ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) ~sum~0)))))) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)))), Black: 3621#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= ~sum~0 1) (<= 1 ~sum~0)), Black: 3061#(and (or (< (+ |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (<= 1 ~sum~0) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 3104#(and (<= 0 ~sum~0) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= 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(forall ((v_ArrVal_213 (Array Int Int))) (<= 0 (+ ~sum~0 (select (select (store |#memory_int| |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))))) (forall ((v_ArrVal_213 (Array Int Int))) (<= (+ ~sum~0 (select (select (store |#memory_int| |ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213) ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) 1))) (not (= (select (select |#memory_int| ~queue~0.base) (+ ~queue~0.offset (* ~back~0 4))) 1)) (<= ~n~0 ~front~0) (< ~front~0 0)) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 2797#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (not (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t2~0#1.base|) (<= (+ ~front~0 ~n~0) (+ ~back~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)) (not (= |ULTIMATE.start_create_fresh_int_array_#res#1.base| |ULTIMATE.start_main_~#t3~0#1.base|)) (<= 1 |thread1Thread1of1ForFork1_~cond~0#1|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= ~sum~0 0) (= (+ (* (- 1) ~front~0) ~back~0) 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_#res#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= (+ 2 ~queue~0.base) |ULTIMATE.start_main_~#t1~0#1.base|) (= ~queue~0.offset 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t1~0#1.base|) (<= |thread1Thread1of1ForFork1_~cond~0#1| 1) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (<= (+ |ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| 2) |ULTIMATE.start_main_~#t2~0#1.base|) (= |thread2Thread1of1ForFork2_~b~0#1| 1) (= (select |#valid| |ULTIMATE.start_main_~#t3~0#1.base|) 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), Black: 3368#(and (<= 1 ~v_assert~0) (<= ~v_assert~0 1) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (<= ~sum~0 1) (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (<= 1 ~sum~0)), Black: 3724#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0))), Black: 3648#(and (or (<= (+ ~front~0 ~n~0) (+ ~back~0 1)) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)) (or (not (= (+ (* ~front~0 4) ~queue~0.offset) 0)) (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t2~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|)) (not (= ~queue~0.base |ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (not (<= (mod |thread1Thread1of1ForFork1_~cond~0#1| 256) 0)) (or (<= (+ (* ~front~0 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|ULTIMATE.start_main_~#t1~0#1.base|)))) (= ~queue~0.offset 0) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (<= (div |thread2Thread1of1ForFork2_~cond~1#1| 256) 0) (or (<= (+ (* ~front~0 4) ~queue~0.offset) 0) (= |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0)) (or (= |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0))), Black: 2001#(and (or (and (or (and (<= 1 (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset))) (<= (select (select |#memory_int| ~queue~0.base) (+ (* ~front~0 4) ~queue~0.offset)) 1)) (= (+ ~queue~0.offset (* ~back~0 4)) 0)) (= ~sum~0 0) (not (= ~queue~0.base |ULTIMATE.start_main_~#t3~0#1.base|))) (not (= (+ (* ~front~0 4) ~queue~0.offset) 0))) (= ~queue~0.offset 0) (<= (+ (* ~front~0 4) ~queue~0.offset) 0)), Black: 3463#(and (or (< 1 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n~0 ~front~0) (< ~front~0 0)) (<= 1 |thread2Thread1of1ForFork2_~cond~1#1|) (not (<= (mod 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