./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/queue_ok_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/queue_ok_longer.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 14:57:22,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 14:57:22,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 14:57:22,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 14:57:22,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 14:57:22,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 14:57:22,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 14:57:22,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 14:57:22,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 14:57:22,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 14:57:22,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 14:57:22,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 14:57:22,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 14:57:22,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 14:57:22,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 14:57:22,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 14:57:22,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 14:57:22,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 14:57:22,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 14:57:22,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 14:57:22,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 14:57:22,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 14:57:22,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 14:57:22,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 14:57:22,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 14:57:22,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 14:57:22,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 14:57:22,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 14:57:22,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 14:57:22,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 14:57:22,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 14:57:22,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 14:57:22,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 14:57:22,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 14:57:22,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 14:57:22,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 14:57:22,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 14:57:22,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 14:57:22,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 14:57:22,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 14:57:22,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 14:57:22,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 14:57:22,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 14:57:22,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 14:57:22,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 14:57:22,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 14:57:22,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 14:57:22,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 14:57:22,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 14:57:22,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 14:57:22,560 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 14:57:22,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 14:57:22,561 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 14:57:22,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 14:57:22,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 14:57:22,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 14:57:22,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 14:57:22,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 14:57:22,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 14:57:22,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 14:57:22,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 14:57:22,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 14:57:22,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 14:57:22,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 14:57:22,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 14:57:22,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 14:57:22,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:57:22,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 14:57:22,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 14:57:22,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 14:57:22,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 14:57:22,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 14:57:22,563 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 14:57:22,564 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 14:57:22,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 14:57:22,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 14:57:22,564 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a [2021-12-21 14:57:22,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 14:57:22,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 14:57:22,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 14:57:22,812 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 14:57:22,812 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 14:57:22,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_ok_longer.i [2021-12-21 14:57:22,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b491298/fa2aef0941c34e7a9a1f08898a0584ff/FLAG079555e38 [2021-12-21 14:57:23,271 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 14:57:23,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok_longer.i [2021-12-21 14:57:23,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b491298/fa2aef0941c34e7a9a1f08898a0584ff/FLAG079555e38 [2021-12-21 14:57:23,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b491298/fa2aef0941c34e7a9a1f08898a0584ff [2021-12-21 14:57:23,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 14:57:23,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 14:57:23,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 14:57:23,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 14:57:23,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 14:57:23,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb3151d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23, skipping insertion in model container [2021-12-21 14:57:23,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 14:57:23,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 14:57:23,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok_longer.i[43272,43285] [2021-12-21 14:57:23,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok_longer.i[43545,43558] [2021-12-21 14:57:23,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:57:23,708 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 14:57:23,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok_longer.i[43272,43285] [2021-12-21 14:57:23,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok_longer.i[43545,43558] [2021-12-21 14:57:23,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 14:57:23,810 INFO L208 MainTranslator]: Completed translation [2021-12-21 14:57:23,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23 WrapperNode [2021-12-21 14:57:23,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 14:57:23,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 14:57:23,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 14:57:23,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 14:57:23,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,909 INFO L137 Inliner]: procedures = 274, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 204 [2021-12-21 14:57:23,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 14:57:23,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 14:57:23,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 14:57:23,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 14:57:23,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 14:57:23,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 14:57:23,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 14:57:23,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 14:57:23,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23" (1/1) ... [2021-12-21 14:57:23,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 14:57:23,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:57:24,012 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) [2021-12-21 14:57:24,031 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 [2021-12-21 14:57:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-12-21 14:57:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-12-21 14:57:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-12-21 14:57:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-12-21 14:57:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 14:57:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 14:57:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 14:57:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 14:57:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-21 14:57:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 14:57:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 14:57:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 14:57:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 14:57:24,044 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-21 14:57:24,178 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 14:57:24,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 14:57:24,424 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 14:57:24,431 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 14:57:24,431 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 14:57:24,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:57:24 BoogieIcfgContainer [2021-12-21 14:57:24,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 14:57:24,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 14:57:24,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 14:57:24,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 14:57:24,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 02:57:23" (1/3) ... [2021-12-21 14:57:24,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df751b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:57:24, skipping insertion in model container [2021-12-21 14:57:24,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:57:23" (2/3) ... [2021-12-21 14:57:24,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df751b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:57:24, skipping insertion in model container [2021-12-21 14:57:24,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:57:24" (3/3) ... [2021-12-21 14:57:24,439 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.i [2021-12-21 14:57:24,443 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-21 14:57:24,444 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 14:57:24,444 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 14:57:24,444 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-21 14:57:24,492 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,493 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,493 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,493 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,493 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,493 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,494 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,494 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,494 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,494 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,495 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,495 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,495 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,496 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,496 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,496 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,497 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,497 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,498 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,498 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,499 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,499 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,500 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,500 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,500 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,501 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,501 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,502 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,502 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,505 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,506 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,506 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,506 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,506 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,506 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,506 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,506 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,507 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,507 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,507 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,507 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,507 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,507 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,508 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,508 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,508 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,508 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,508 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,508 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,508 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,509 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,509 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,509 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,509 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,510 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,510 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,510 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,510 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,510 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,510 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,512 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,513 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,513 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,513 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,514 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,514 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,514 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,514 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,514 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,514 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,515 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,515 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,515 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,516 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,516 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,517 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,517 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,517 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,519 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,519 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,519 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,519 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,519 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,520 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,520 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,520 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,521 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,521 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,521 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,521 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,522 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,522 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,522 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,522 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,522 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,522 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,522 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,523 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,523 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,523 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,523 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,523 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,523 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,524 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,524 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,524 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,524 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,524 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,524 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,524 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,525 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,525 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,525 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,525 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,525 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,525 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,525 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,526 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,526 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,526 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,526 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,526 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,527 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,527 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,527 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,527 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,527 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,527 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,527 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,528 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,528 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,528 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,528 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,528 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,528 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,528 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,529 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,529 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,529 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,529 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,529 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,530 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,530 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,530 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,535 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,537 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,537 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,538 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,538 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,538 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,538 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,538 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,540 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,540 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,540 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,540 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,540 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,541 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,542 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,542 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,542 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,542 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,542 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,542 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,542 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,543 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,543 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,543 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,543 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,543 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,543 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,543 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,543 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,543 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,543 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,543 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,544 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,545 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,546 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,547 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,548 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,548 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,548 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,548 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,548 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,548 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,548 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,548 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,548 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,549 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,550 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,551 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,551 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,551 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,551 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,551 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,551 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,556 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,556 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,556 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,556 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,557 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,557 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,557 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,557 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,557 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,557 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,557 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,558 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,558 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,558 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,558 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,558 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,558 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,559 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,559 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,559 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,559 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,560 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,560 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,560 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,560 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,560 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,560 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,561 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,561 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,561 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,561 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,568 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,568 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,572 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,572 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,572 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,572 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,573 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,573 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,573 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,573 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,574 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,577 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,578 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,578 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,578 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,578 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,578 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,578 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,579 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,579 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,579 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,579 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,579 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,579 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,579 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,579 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,580 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,580 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,580 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,580 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,580 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,580 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,580 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,581 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,581 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,581 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,581 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,581 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,581 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,581 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,582 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,582 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,582 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,582 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,583 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,583 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,583 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,583 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,583 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,583 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,585 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,585 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,585 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,585 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,585 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,585 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,585 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,586 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,586 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,586 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,586 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,586 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,586 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,586 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,587 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,587 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,587 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,587 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,588 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,588 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,588 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,588 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,588 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,588 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,588 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,589 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,589 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,589 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,589 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,589 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,589 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,594 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,594 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,594 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,595 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,595 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,595 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,595 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,595 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,595 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,597 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,598 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,599 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,599 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,599 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,599 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,599 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,600 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,600 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,600 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,600 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,600 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,600 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,601 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,601 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,601 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,601 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,601 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,601 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,601 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,602 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,603 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,603 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,605 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,606 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,606 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,606 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,606 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,607 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,607 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,607 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,607 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,607 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,607 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,607 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,607 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,608 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,608 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,608 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,608 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,609 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,609 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,609 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,609 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,609 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,609 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,609 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,610 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,610 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,612 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,612 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,612 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,612 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,612 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 14:57:24,615 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-21 14:57:24,652 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 14:57:24,657 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 14:57:24,657 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-21 14:57:24,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 231 transitions, 478 flow [2021-12-21 14:57:24,757 INFO L129 PetriNetUnfolder]: 13/229 cut-off events. [2021-12-21 14:57:24,760 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-21 14:57:24,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 229 events. 13/229 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 369 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 146. Up to 3 conditions per place. [2021-12-21 14:57:24,771 INFO L82 GeneralOperation]: Start removeDead. Operand has 225 places, 231 transitions, 478 flow [2021-12-21 14:57:24,779 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 213 places, 219 transitions, 447 flow [2021-12-21 14:57:24,799 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2021-12-21 14:57:24,799 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 14:57:24,799 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 14:57:24,800 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:57:24,800 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 14:57:24,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:57:24,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1145000913, now seen corresponding path program 1 times [2021-12-21 14:57:24,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:57:24,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878589306] [2021-12-21 14:57:24,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:24,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:57:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:25,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:57:25,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878589306] [2021-12-21 14:57:25,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878589306] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 14:57:25,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 14:57:25,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 14:57:25,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436376046] [2021-12-21 14:57:25,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 14:57:25,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 14:57:25,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:57:25,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 14:57:25,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 14:57:25,044 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 231 [2021-12-21 14:57:25,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 219 transitions, 447 flow. Second operand has 2 states, 2 states have (on average 220.5) internal successors, (441), 2 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:25,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 14:57:25,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 231 [2021-12-21 14:57:25,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 14:57:25,098 INFO L129 PetriNetUnfolder]: 9/210 cut-off events. [2021-12-21 14:57:25,098 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-21 14:57:25,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 210 events. 9/210 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 276 event pairs, 0 based on Foata normal form. 5/205 useless extension candidates. Maximal degree in co-relation 143. Up to 4 conditions per place. [2021-12-21 14:57:25,105 INFO L132 encePairwiseOnDemand]: 227/231 looper letters, 3 selfloop transitions, 0 changer transitions 0/210 dead transitions. [2021-12-21 14:57:25,105 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 210 transitions, 435 flow [2021-12-21 14:57:25,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 14:57:25,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-21 14:57:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 447 transitions. [2021-12-21 14:57:25,122 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9675324675324676 [2021-12-21 14:57:25,122 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 447 transitions. [2021-12-21 14:57:25,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 447 transitions. [2021-12-21 14:57:25,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 14:57:25,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 447 transitions. [2021-12-21 14:57:25,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 223.5) internal successors, (447), 2 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:25,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:25,141 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:25,143 INFO L186 Difference]: Start difference. First operand has 213 places, 219 transitions, 447 flow. Second operand 2 states and 447 transitions. [2021-12-21 14:57:25,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 210 transitions, 435 flow [2021-12-21 14:57:25,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 210 transitions, 430 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-21 14:57:25,150 INFO L242 Difference]: Finished difference. Result has 206 places, 210 transitions, 424 flow [2021-12-21 14:57:25,152 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=424, PETRI_PLACES=206, PETRI_TRANSITIONS=210} [2021-12-21 14:57:25,155 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -7 predicate places. [2021-12-21 14:57:25,155 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 210 transitions, 424 flow [2021-12-21 14:57:25,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 220.5) internal successors, (441), 2 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:25,156 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 14:57:25,156 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:57:25,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 14:57:25,157 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 14:57:25,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:57:25,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1194749697, now seen corresponding path program 1 times [2021-12-21 14:57:25,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:57:25,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561907543] [2021-12-21 14:57:25,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:25,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:57:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:25,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:25,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:57:25,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561907543] [2021-12-21 14:57:25,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561907543] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 14:57:25,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 14:57:25,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 14:57:25,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920019027] [2021-12-21 14:57:25,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 14:57:25,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 14:57:25,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:57:25,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 14:57:25,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-12-21 14:57:25,548 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 231 [2021-12-21 14:57:25,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 210 transitions, 424 flow. Second operand has 12 states, 12 states have (on average 169.25) internal successors, (2031), 12 states have internal predecessors, (2031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:25,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 14:57:25,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 231 [2021-12-21 14:57:25,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 14:57:26,115 INFO L129 PetriNetUnfolder]: 611/2582 cut-off events. [2021-12-21 14:57:26,115 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2021-12-21 14:57:26,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3514 conditions, 2582 events. 611/2582 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 20617 event pairs, 459 based on Foata normal form. 0/2410 useless extension candidates. Maximal degree in co-relation 3511. Up to 882 conditions per place. [2021-12-21 14:57:26,129 INFO L132 encePairwiseOnDemand]: 218/231 looper letters, 42 selfloop transitions, 12 changer transitions 0/206 dead transitions. [2021-12-21 14:57:26,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 206 transitions, 524 flow [2021-12-21 14:57:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 14:57:26,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-21 14:57:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2213 transitions. [2021-12-21 14:57:26,134 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.736929736929737 [2021-12-21 14:57:26,134 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2213 transitions. [2021-12-21 14:57:26,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2213 transitions. [2021-12-21 14:57:26,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 14:57:26,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2213 transitions. [2021-12-21 14:57:26,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 170.23076923076923) internal successors, (2213), 13 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,144 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 231.0) internal successors, (3234), 14 states have internal predecessors, (3234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,145 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 231.0) internal successors, (3234), 14 states have internal predecessors, (3234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,145 INFO L186 Difference]: Start difference. First operand has 206 places, 210 transitions, 424 flow. Second operand 13 states and 2213 transitions. [2021-12-21 14:57:26,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 206 transitions, 524 flow [2021-12-21 14:57:26,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 206 transitions, 524 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-21 14:57:26,154 INFO L242 Difference]: Finished difference. Result has 215 places, 206 transitions, 440 flow [2021-12-21 14:57:26,154 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=440, PETRI_PLACES=215, PETRI_TRANSITIONS=206} [2021-12-21 14:57:26,155 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 2 predicate places. [2021-12-21 14:57:26,155 INFO L470 AbstractCegarLoop]: Abstraction has has 215 places, 206 transitions, 440 flow [2021-12-21 14:57:26,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 169.25) internal successors, (2031), 12 states have internal predecessors, (2031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,156 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 14:57:26,157 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:57:26,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 14:57:26,157 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 14:57:26,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:57:26,158 INFO L85 PathProgramCache]: Analyzing trace with hash -933293975, now seen corresponding path program 1 times [2021-12-21 14:57:26,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:57:26,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825383997] [2021-12-21 14:57:26,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:26,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:57:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:26,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:57:26,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825383997] [2021-12-21 14:57:26,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825383997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 14:57:26,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 14:57:26,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 14:57:26,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463648569] [2021-12-21 14:57:26,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 14:57:26,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 14:57:26,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:57:26,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 14:57:26,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 14:57:26,277 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 231 [2021-12-21 14:57:26,278 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 206 transitions, 440 flow. Second operand has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,280 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 14:57:26,280 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 231 [2021-12-21 14:57:26,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 14:57:26,314 INFO L129 PetriNetUnfolder]: 16/307 cut-off events. [2021-12-21 14:57:26,314 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-21 14:57:26,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 307 events. 16/307 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 691 event pairs, 2 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 346. Up to 12 conditions per place. [2021-12-21 14:57:26,316 INFO L132 encePairwiseOnDemand]: 227/231 looper letters, 7 selfloop transitions, 2 changer transitions 5/209 dead transitions. [2021-12-21 14:57:26,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 209 transitions, 473 flow [2021-12-21 14:57:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 14:57:26,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-21 14:57:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2021-12-21 14:57:26,317 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9451659451659452 [2021-12-21 14:57:26,317 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 655 transitions. [2021-12-21 14:57:26,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 655 transitions. [2021-12-21 14:57:26,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 14:57:26,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 655 transitions. [2021-12-21 14:57:26,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,321 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,321 INFO L186 Difference]: Start difference. First operand has 215 places, 206 transitions, 440 flow. Second operand 3 states and 655 transitions. [2021-12-21 14:57:26,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 209 transitions, 473 flow [2021-12-21 14:57:26,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 209 transitions, 450 flow, removed 0 selfloop flow, removed 11 redundant places. [2021-12-21 14:57:26,324 INFO L242 Difference]: Finished difference. Result has 207 places, 203 transitions, 419 flow [2021-12-21 14:57:26,325 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=419, PETRI_PLACES=207, PETRI_TRANSITIONS=203} [2021-12-21 14:57:26,326 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -6 predicate places. [2021-12-21 14:57:26,326 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 203 transitions, 419 flow [2021-12-21 14:57:26,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,327 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 14:57:26,327 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:57:26,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 14:57:26,328 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 14:57:26,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:57:26,328 INFO L85 PathProgramCache]: Analyzing trace with hash 464408434, now seen corresponding path program 1 times [2021-12-21 14:57:26,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:57:26,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633033701] [2021-12-21 14:57:26,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:26,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:57:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:26,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:57:26,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633033701] [2021-12-21 14:57:26,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633033701] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 14:57:26,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 14:57:26,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 14:57:26,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704643278] [2021-12-21 14:57:26,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 14:57:26,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 14:57:26,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:57:26,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 14:57:26,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 14:57:26,399 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 231 [2021-12-21 14:57:26,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 203 transitions, 419 flow. Second operand has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,400 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 14:57:26,400 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 231 [2021-12-21 14:57:26,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 14:57:26,460 INFO L129 PetriNetUnfolder]: 20/336 cut-off events. [2021-12-21 14:57:26,460 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-21 14:57:26,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 336 events. 20/336 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 666 event pairs, 6 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 401. Up to 24 conditions per place. [2021-12-21 14:57:26,462 INFO L132 encePairwiseOnDemand]: 228/231 looper letters, 13 selfloop transitions, 2 changer transitions 1/208 dead transitions. [2021-12-21 14:57:26,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 208 transitions, 461 flow [2021-12-21 14:57:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 14:57:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-21 14:57:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2021-12-21 14:57:26,464 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9451659451659452 [2021-12-21 14:57:26,464 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 655 transitions. [2021-12-21 14:57:26,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 655 transitions. [2021-12-21 14:57:26,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 14:57:26,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 655 transitions. [2021-12-21 14:57:26,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,468 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,468 INFO L186 Difference]: Start difference. First operand has 207 places, 203 transitions, 419 flow. Second operand 3 states and 655 transitions. [2021-12-21 14:57:26,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 208 transitions, 461 flow [2021-12-21 14:57:26,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 208 transitions, 457 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-21 14:57:26,471 INFO L242 Difference]: Finished difference. Result has 207 places, 203 transitions, 425 flow [2021-12-21 14:57:26,472 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=415, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=425, PETRI_PLACES=207, PETRI_TRANSITIONS=203} [2021-12-21 14:57:26,473 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -6 predicate places. [2021-12-21 14:57:26,473 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 203 transitions, 425 flow [2021-12-21 14:57:26,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:26,474 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 14:57:26,474 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:57:26,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 14:57:26,474 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 14:57:26,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:57:26,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1789731816, now seen corresponding path program 1 times [2021-12-21 14:57:26,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:57:26,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836259783] [2021-12-21 14:57:26,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:26,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:57:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:26,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:57:26,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836259783] [2021-12-21 14:57:26,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836259783] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 14:57:26,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749116002] [2021-12-21 14:57:26,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:26,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 14:57:26,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:57:26,531 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) [2021-12-21 14:57:26,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 14:57:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:26,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 14:57:26,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 14:57:26,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:26,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 14:57:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:27,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749116002] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 14:57:27,150 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 14:57:27,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-21 14:57:27,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422051080] [2021-12-21 14:57:27,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 14:57:27,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 14:57:27,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:57:27,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 14:57:27,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-21 14:57:27,155 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-21 14:57:27,156 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 203 transitions, 425 flow. Second operand has 10 states, 10 states have (on average 214.2) internal successors, (2142), 10 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:27,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 14:57:27,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-21 14:57:27,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 14:57:27,254 INFO L129 PetriNetUnfolder]: 30/423 cut-off events. [2021-12-21 14:57:27,254 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-21 14:57:27,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 423 events. 30/423 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 682 event pairs, 4 based on Foata normal form. 4/416 useless extension candidates. Maximal degree in co-relation 537. Up to 19 conditions per place. [2021-12-21 14:57:27,256 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 20 selfloop transitions, 9 changer transitions 0/220 dead transitions. [2021-12-21 14:57:27,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 220 transitions, 533 flow [2021-12-21 14:57:27,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 14:57:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 14:57:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1939 transitions. [2021-12-21 14:57:27,260 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9326599326599326 [2021-12-21 14:57:27,260 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1939 transitions. [2021-12-21 14:57:27,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1939 transitions. [2021-12-21 14:57:27,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 14:57:27,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1939 transitions. [2021-12-21 14:57:27,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 215.44444444444446) internal successors, (1939), 9 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:27,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 231.0) internal successors, (2310), 10 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:27,266 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 231.0) internal successors, (2310), 10 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:27,266 INFO L186 Difference]: Start difference. First operand has 207 places, 203 transitions, 425 flow. Second operand 9 states and 1939 transitions. [2021-12-21 14:57:27,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 220 transitions, 533 flow [2021-12-21 14:57:27,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 220 transitions, 531 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-21 14:57:27,270 INFO L242 Difference]: Finished difference. Result has 216 places, 209 transitions, 473 flow [2021-12-21 14:57:27,270 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=473, PETRI_PLACES=216, PETRI_TRANSITIONS=209} [2021-12-21 14:57:27,271 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 3 predicate places. [2021-12-21 14:57:27,271 INFO L470 AbstractCegarLoop]: Abstraction has has 216 places, 209 transitions, 473 flow [2021-12-21 14:57:27,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 214.2) internal successors, (2142), 10 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:27,272 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 14:57:27,272 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:57:27,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 14:57:27,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 14:57:27,495 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 14:57:27,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:57:27,495 INFO L85 PathProgramCache]: Analyzing trace with hash -146638564, now seen corresponding path program 2 times [2021-12-21 14:57:27,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:57:27,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916184253] [2021-12-21 14:57:27,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:27,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:57:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:27,592 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-21 14:57:27,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:57:27,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916184253] [2021-12-21 14:57:27,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916184253] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 14:57:27,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 14:57:27,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 14:57:27,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091590037] [2021-12-21 14:57:27,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 14:57:27,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 14:57:27,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:57:27,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 14:57:27,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 14:57:27,597 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 231 [2021-12-21 14:57:27,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 209 transitions, 473 flow. Second operand has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:27,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 14:57:27,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 231 [2021-12-21 14:57:27,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 14:57:27,660 INFO L129 PetriNetUnfolder]: 25/611 cut-off events. [2021-12-21 14:57:27,660 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-12-21 14:57:27,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 611 events. 25/611 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1299 event pairs, 3 based on Foata normal form. 2/596 useless extension candidates. Maximal degree in co-relation 725. Up to 19 conditions per place. [2021-12-21 14:57:27,663 INFO L132 encePairwiseOnDemand]: 227/231 looper letters, 12 selfloop transitions, 3 changer transitions 3/211 dead transitions. [2021-12-21 14:57:27,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 211 transitions, 512 flow [2021-12-21 14:57:27,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 14:57:27,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-21 14:57:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 645 transitions. [2021-12-21 14:57:27,665 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9307359307359307 [2021-12-21 14:57:27,665 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 645 transitions. [2021-12-21 14:57:27,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 645 transitions. [2021-12-21 14:57:27,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 14:57:27,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 645 transitions. [2021-12-21 14:57:27,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:27,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:27,668 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:27,668 INFO L186 Difference]: Start difference. First operand has 216 places, 209 transitions, 473 flow. Second operand 3 states and 645 transitions. [2021-12-21 14:57:27,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 211 transitions, 512 flow [2021-12-21 14:57:27,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 211 transitions, 506 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-21 14:57:27,673 INFO L242 Difference]: Finished difference. Result has 217 places, 206 transitions, 467 flow [2021-12-21 14:57:27,673 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=217, PETRI_TRANSITIONS=206} [2021-12-21 14:57:27,675 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 4 predicate places. [2021-12-21 14:57:27,677 INFO L470 AbstractCegarLoop]: Abstraction has has 217 places, 206 transitions, 467 flow [2021-12-21 14:57:27,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:27,677 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 14:57:27,677 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:57:27,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 14:57:27,678 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 14:57:27,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:57:27,679 INFO L85 PathProgramCache]: Analyzing trace with hash -733343356, now seen corresponding path program 1 times [2021-12-21 14:57:27,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:57:27,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43506660] [2021-12-21 14:57:27,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:27,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:57:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:27,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:57:27,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43506660] [2021-12-21 14:57:27,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43506660] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 14:57:27,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896006417] [2021-12-21 14:57:27,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:27,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 14:57:27,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:57:27,798 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) [2021-12-21 14:57:27,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 14:57:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:27,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 14:57:27,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 14:57:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:28,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 14:57:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:28,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896006417] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 14:57:28,513 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 14:57:28,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-12-21 14:57:28,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734999552] [2021-12-21 14:57:28,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 14:57:28,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-21 14:57:28,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:57:28,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-21 14:57:28,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-12-21 14:57:28,518 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-21 14:57:28,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 206 transitions, 467 flow. Second operand has 18 states, 18 states have (on average 214.33333333333334) internal successors, (3858), 18 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:28,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 14:57:28,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-21 14:57:28,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 14:57:28,739 INFO L129 PetriNetUnfolder]: 58/747 cut-off events. [2021-12-21 14:57:28,739 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2021-12-21 14:57:28,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1056 conditions, 747 events. 58/747 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1380 event pairs, 4 based on Foata normal form. 8/736 useless extension candidates. Maximal degree in co-relation 1047. Up to 39 conditions per place. [2021-12-21 14:57:28,744 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 40 selfloop transitions, 21 changer transitions 1/249 dead transitions. [2021-12-21 14:57:28,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 249 transitions, 765 flow [2021-12-21 14:57:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-21 14:57:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-21 14:57:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 4517 transitions. [2021-12-21 14:57:28,761 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9311482168625026 [2021-12-21 14:57:28,761 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 4517 transitions. [2021-12-21 14:57:28,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 4517 transitions. [2021-12-21 14:57:28,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 14:57:28,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 4517 transitions. [2021-12-21 14:57:28,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 215.0952380952381) internal successors, (4517), 21 states have internal predecessors, (4517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:28,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 231.0) internal successors, (5082), 22 states have internal predecessors, (5082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:28,777 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 231.0) internal successors, (5082), 22 states have internal predecessors, (5082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:28,778 INFO L186 Difference]: Start difference. First operand has 217 places, 206 transitions, 467 flow. Second operand 21 states and 4517 transitions. [2021-12-21 14:57:28,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 249 transitions, 765 flow [2021-12-21 14:57:28,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 249 transitions, 762 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-21 14:57:28,781 INFO L242 Difference]: Finished difference. Result has 238 places, 218 transitions, 592 flow [2021-12-21 14:57:28,782 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=592, PETRI_PLACES=238, PETRI_TRANSITIONS=218} [2021-12-21 14:57:28,782 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 25 predicate places. [2021-12-21 14:57:28,782 INFO L470 AbstractCegarLoop]: Abstraction has has 238 places, 218 transitions, 592 flow [2021-12-21 14:57:28,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 214.33333333333334) internal successors, (3858), 18 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:28,784 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 14:57:28,784 INFO L254 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:57:28,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-21 14:57:28,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-21 14:57:28,992 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 14:57:28,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:57:28,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2142412128, now seen corresponding path program 2 times [2021-12-21 14:57:28,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:57:28,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778254895] [2021-12-21 14:57:28,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:28,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:57:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:29,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:57:29,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778254895] [2021-12-21 14:57:29,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778254895] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 14:57:29,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961574443] [2021-12-21 14:57:29,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 14:57:29,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 14:57:29,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:57:29,188 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) [2021-12-21 14:57:29,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 14:57:29,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 14:57:29,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 14:57:29,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-21 14:57:29,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 14:57:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:29,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 14:57:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:30,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961574443] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 14:57:30,574 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 14:57:30,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2021-12-21 14:57:30,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999136319] [2021-12-21 14:57:30,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 14:57:30,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-21 14:57:30,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:57:30,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-21 14:57:30,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2021-12-21 14:57:30,581 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-21 14:57:30,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 218 transitions, 592 flow. Second operand has 34 states, 34 states have (on average 214.41176470588235) internal successors, (7290), 34 states have internal predecessors, (7290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:30,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 14:57:30,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-21 14:57:30,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 14:57:31,211 INFO L129 PetriNetUnfolder]: 114/1393 cut-off events. [2021-12-21 14:57:31,211 INFO L130 PetriNetUnfolder]: For 465/465 co-relation queries the response was YES. [2021-12-21 14:57:31,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2169 conditions, 1393 events. 114/1393 cut-off events. For 465/465 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 2793 event pairs, 4 based on Foata normal form. 16/1374 useless extension candidates. Maximal degree in co-relation 2155. Up to 79 conditions per place. [2021-12-21 14:57:31,218 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 80 selfloop transitions, 45 changer transitions 0/312 dead transitions. [2021-12-21 14:57:31,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 312 transitions, 1330 flow [2021-12-21 14:57:31,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-21 14:57:31,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-12-21 14:57:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 9673 transitions. [2021-12-21 14:57:31,259 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9305435305435306 [2021-12-21 14:57:31,259 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 9673 transitions. [2021-12-21 14:57:31,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 9673 transitions. [2021-12-21 14:57:31,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 14:57:31,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 9673 transitions. [2021-12-21 14:57:31,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 214.95555555555555) internal successors, (9673), 45 states have internal predecessors, (9673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:31,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 231.0) internal successors, (10626), 46 states have internal predecessors, (10626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:31,299 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 231.0) internal successors, (10626), 46 states have internal predecessors, (10626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:31,300 INFO L186 Difference]: Start difference. First operand has 238 places, 218 transitions, 592 flow. Second operand 45 states and 9673 transitions. [2021-12-21 14:57:31,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 312 transitions, 1330 flow [2021-12-21 14:57:31,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 312 transitions, 1290 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-12-21 14:57:31,307 INFO L242 Difference]: Finished difference. Result has 284 places, 243 transitions, 870 flow [2021-12-21 14:57:31,307 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=870, PETRI_PLACES=284, PETRI_TRANSITIONS=243} [2021-12-21 14:57:31,308 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 71 predicate places. [2021-12-21 14:57:31,308 INFO L470 AbstractCegarLoop]: Abstraction has has 284 places, 243 transitions, 870 flow [2021-12-21 14:57:31,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 214.41176470588235) internal successors, (7290), 34 states have internal predecessors, (7290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:31,310 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 14:57:31,319 INFO L254 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:57:31,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 14:57:31,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 14:57:31,539 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 14:57:31,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:57:31,539 INFO L85 PathProgramCache]: Analyzing trace with hash 681727648, now seen corresponding path program 3 times [2021-12-21 14:57:31,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:57:31,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878520778] [2021-12-21 14:57:31,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:31,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:57:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:32,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 0 proven. 3270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:32,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:57:32,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878520778] [2021-12-21 14:57:32,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878520778] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 14:57:32,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728852859] [2021-12-21 14:57:32,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-21 14:57:32,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 14:57:32,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:57:32,014 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 14:57:32,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 14:57:32,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-21 14:57:32,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 14:57:32,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 50 conjunts are in the unsatisfiable core [2021-12-21 14:57:32,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 14:57:34,085 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-21 14:57:34,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 14:57:34,143 INFO L387 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 16 treesize of output 18 [2021-12-21 14:57:34,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 14:57:34,348 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 14:57:34,348 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-12-21 14:57:34,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 14:57:34,385 INFO L387 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 23 treesize of output 22 [2021-12-21 14:57:34,412 INFO L387 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 [2021-12-21 14:57:34,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 455 proven. 319 refuted. 0 times theorem prover too weak. 2496 trivial. 0 not checked. [2021-12-21 14:57:34,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 14:57:36,816 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_775 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_775) |c_~#queue~0.base|) (+ |c_~#queue~0.offset| 1604)) 400)) is different from false [2021-12-21 14:57:36,838 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 14:57:36,839 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2021-12-21 14:57:36,847 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 14:57:36,847 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 39 [2021-12-21 14:57:36,851 INFO L387 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 11 treesize of output 7 [2021-12-21 14:57:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 377 proven. 319 refuted. 0 times theorem prover too weak. 2496 trivial. 78 not checked. [2021-12-21 14:57:37,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728852859] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 14:57:37,771 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 14:57:37,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 14, 12] total 55 [2021-12-21 14:57:37,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129061153] [2021-12-21 14:57:37,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 14:57:37,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-12-21 14:57:37,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:57:37,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-12-21 14:57:37,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=2489, Unknown=1, NotChecked=104, Total=2970 [2021-12-21 14:57:37,778 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 231 [2021-12-21 14:57:37,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 243 transitions, 870 flow. Second operand has 55 states, 55 states have (on average 166.74545454545455) internal successors, (9171), 55 states have internal predecessors, (9171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:37,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 14:57:37,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 231 [2021-12-21 14:57:37,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 14:57:47,206 INFO L129 PetriNetUnfolder]: 2125/7558 cut-off events. [2021-12-21 14:57:47,206 INFO L130 PetriNetUnfolder]: For 2828/2828 co-relation queries the response was YES. [2021-12-21 14:57:47,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15819 conditions, 7558 events. 2125/7558 cut-off events. For 2828/2828 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 39994 event pairs, 31 based on Foata normal form. 8/7466 useless extension candidates. Maximal degree in co-relation 15796. Up to 687 conditions per place. [2021-12-21 14:57:47,253 INFO L132 encePairwiseOnDemand]: 208/231 looper letters, 871 selfloop transitions, 374 changer transitions 0/1379 dead transitions. [2021-12-21 14:57:47,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 1379 transitions, 6634 flow [2021-12-21 14:57:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2021-12-21 14:57:47,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2021-12-21 14:57:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 30535 transitions. [2021-12-21 14:57:47,281 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7184029738377564 [2021-12-21 14:57:47,281 INFO L72 ComplementDD]: Start complementDD. Operand 184 states and 30535 transitions. [2021-12-21 14:57:47,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 184 states and 30535 transitions. [2021-12-21 14:57:47,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 14:57:47,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 184 states and 30535 transitions. [2021-12-21 14:57:47,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 185 states, 184 states have (on average 165.95108695652175) internal successors, (30535), 184 states have internal predecessors, (30535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:47,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 185 states, 185 states have (on average 231.0) internal successors, (42735), 185 states have internal predecessors, (42735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:47,398 INFO L81 ComplementDD]: Finished complementDD. Result has 185 states, 185 states have (on average 231.0) internal successors, (42735), 185 states have internal predecessors, (42735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:47,398 INFO L186 Difference]: Start difference. First operand has 284 places, 243 transitions, 870 flow. Second operand 184 states and 30535 transitions. [2021-12-21 14:57:47,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 1379 transitions, 6634 flow [2021-12-21 14:57:47,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 1379 transitions, 6519 flow, removed 22 selfloop flow, removed 18 redundant places. [2021-12-21 14:57:47,427 INFO L242 Difference]: Finished difference. Result has 518 places, 648 transitions, 3386 flow [2021-12-21 14:57:47,428 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=184, PETRI_FLOW=3386, PETRI_PLACES=518, PETRI_TRANSITIONS=648} [2021-12-21 14:57:47,429 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 305 predicate places. [2021-12-21 14:57:47,429 INFO L470 AbstractCegarLoop]: Abstraction has has 518 places, 648 transitions, 3386 flow [2021-12-21 14:57:47,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 166.74545454545455) internal successors, (9171), 55 states have internal predecessors, (9171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:47,431 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 14:57:47,432 INFO L254 CegarLoopForPetriNet]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:57:47,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 14:57:47,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 14:57:47,648 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 14:57:47,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:57:47,648 INFO L85 PathProgramCache]: Analyzing trace with hash 666353607, now seen corresponding path program 1 times [2021-12-21 14:57:47,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:57:47,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998695373] [2021-12-21 14:57:47,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:47,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:57:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3694 backedges. 0 proven. 3694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:48,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:57:48,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998695373] [2021-12-21 14:57:48,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998695373] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 14:57:48,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607172449] [2021-12-21 14:57:48,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:48,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 14:57:48,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:57:48,265 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 14:57:48,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-21 14:57:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:48,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 34 conjunts are in the unsatisfiable core [2021-12-21 14:57:48,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 14:57:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3694 backedges. 0 proven. 3694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:49,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 14:57:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3694 backedges. 0 proven. 3694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:51,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607172449] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 14:57:51,110 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 14:57:51,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 70 [2021-12-21 14:57:51,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318461752] [2021-12-21 14:57:51,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 14:57:51,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-12-21 14:57:51,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:57:51,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-12-21 14:57:51,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1260, Invalid=3570, Unknown=0, NotChecked=0, Total=4830 [2021-12-21 14:57:51,118 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-21 14:57:51,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 648 transitions, 3386 flow. Second operand has 70 states, 70 states have (on average 214.4857142857143) internal successors, (15014), 70 states have internal predecessors, (15014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:51,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 14:57:51,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-21 14:57:51,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 14:57:56,430 INFO L129 PetriNetUnfolder]: 927/8255 cut-off events. [2021-12-21 14:57:56,431 INFO L130 PetriNetUnfolder]: For 115970/115970 co-relation queries the response was YES. [2021-12-21 14:57:56,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26432 conditions, 8255 events. 927/8255 cut-off events. For 115970/115970 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 37419 event pairs, 7 based on Foata normal form. 102/8349 useless extension candidates. Maximal degree in co-relation 26339. Up to 590 conditions per place. [2021-12-21 14:57:56,506 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 170 selfloop transitions, 162 changer transitions 0/873 dead transitions. [2021-12-21 14:57:56,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 873 transitions, 5722 flow [2021-12-21 14:57:56,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-12-21 14:57:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-12-21 14:57:56,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 21274 transitions. [2021-12-21 14:57:56,524 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9302549302549302 [2021-12-21 14:57:56,525 INFO L72 ComplementDD]: Start complementDD. Operand 99 states and 21274 transitions. [2021-12-21 14:57:56,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 21274 transitions. [2021-12-21 14:57:56,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 14:57:56,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 99 states and 21274 transitions. [2021-12-21 14:57:56,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 100 states, 99 states have (on average 214.88888888888889) internal successors, (21274), 99 states have internal predecessors, (21274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:56,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 100 states, 100 states have (on average 231.0) internal successors, (23100), 100 states have internal predecessors, (23100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:56,574 INFO L81 ComplementDD]: Finished complementDD. Result has 100 states, 100 states have (on average 231.0) internal successors, (23100), 100 states have internal predecessors, (23100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:56,575 INFO L186 Difference]: Start difference. First operand has 518 places, 648 transitions, 3386 flow. Second operand 99 states and 21274 transitions. [2021-12-21 14:57:56,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 873 transitions, 5722 flow [2021-12-21 14:57:56,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 873 transitions, 5536 flow, removed 4 selfloop flow, removed 48 redundant places. [2021-12-21 14:57:56,785 INFO L242 Difference]: Finished difference. Result has 586 places, 715 transitions, 4470 flow [2021-12-21 14:57:56,786 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=3200, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=648, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=99, PETRI_FLOW=4470, PETRI_PLACES=586, PETRI_TRANSITIONS=715} [2021-12-21 14:57:56,787 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 373 predicate places. [2021-12-21 14:57:56,787 INFO L470 AbstractCegarLoop]: Abstraction has has 586 places, 715 transitions, 4470 flow [2021-12-21 14:57:56,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 214.4857142857143) internal successors, (15014), 70 states have internal predecessors, (15014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:57:56,789 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 14:57:56,789 INFO L254 CegarLoopForPetriNet]: trace histogram [33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 14:57:56,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-21 14:57:56,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-21 14:57:56,990 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 14:57:56,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 14:57:56,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2115049742, now seen corresponding path program 2 times [2021-12-21 14:57:56,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 14:57:56,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681115945] [2021-12-21 14:57:56,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 14:57:56,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 14:57:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 14:57:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16337 backedges. 0 proven. 16337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:57:58,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 14:57:58,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681115945] [2021-12-21 14:57:58,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681115945] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 14:57:58,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210155723] [2021-12-21 14:57:58,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 14:57:58,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 14:57:58,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 14:57:58,541 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 14:57:58,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-21 14:57:58,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 14:57:58,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 14:57:59,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 68 conjunts are in the unsatisfiable core [2021-12-21 14:57:59,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 14:58:00,744 INFO L134 CoverageAnalysis]: Checked inductivity of 16337 backedges. 0 proven. 16337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:58:00,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 14:58:05,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16337 backedges. 0 proven. 16337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 14:58:05,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210155723] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 14:58:05,115 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 14:58:05,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 138 [2021-12-21 14:58:05,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142990573] [2021-12-21 14:58:05,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 14:58:05,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2021-12-21 14:58:05,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 14:58:05,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2021-12-21 14:58:05,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4830, Invalid=14076, Unknown=0, NotChecked=0, Total=18906 [2021-12-21 14:58:05,132 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-21 14:58:05,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 715 transitions, 4470 flow. Second operand has 138 states, 138 states have (on average 214.47826086956522) internal successors, (29598), 138 states have internal predecessors, (29598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 14:58:05,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 14:58:05,144 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-21 14:58:05,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand