./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/queue_ok_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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_longest.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 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 13:22:42,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 13:22:42,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 13:22:42,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 13:22:42,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 13:22:42,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 13:22:42,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 13:22:42,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 13:22:42,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 13:22:42,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 13:22:42,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 13:22:42,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 13:22:42,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 13:22:42,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 13:22:42,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 13:22:42,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 13:22:42,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 13:22:42,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 13:22:42,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 13:22:42,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 13:22:42,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 13:22:42,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 13:22:42,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 13:22:42,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 13:22:42,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 13:22:42,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 13:22:42,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 13:22:42,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 13:22:42,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 13:22:42,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 13:22:42,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 13:22:42,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 13:22:42,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 13:22:42,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 13:22:42,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 13:22:42,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 13:22:42,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 13:22:42,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 13:22:42,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 13:22:42,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 13:22:42,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 13:22:42,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 13:22:42,249 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 13:22:42,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 13:22:42,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 13:22:42,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 13:22:42,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 13:22:42,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 13:22:42,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 13:22:42,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 13:22:42,251 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 13:22:42,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 13:22:42,251 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 13:22:42,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 13:22:42,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 13:22:42,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 13:22:42,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 13:22:42,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 13:22:42,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 13:22:42,252 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 13:22:42,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 13:22:42,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 13:22:42,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 13:22:42,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 13:22:42,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 13:22:42,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 13:22:42,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:22:42,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 13:22:42,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 13:22:42,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 13:22:42,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 13:22:42,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 13:22:42,254 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 13:22:42,254 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 13:22:42,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 13:22:42,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 13:22:42,255 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2021-12-22 13:22:42,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 13:22:42,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 13:22:42,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 13:22:42,453 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 13:22:42,453 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 13:22:42,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_ok_longest.i [2021-12-22 13:22:42,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28f1a825/2b252f02d31e49c88ea4f0394388a923/FLAG6f146d623 [2021-12-22 13:22:42,893 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 13:22:42,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok_longest.i [2021-12-22 13:22:42,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28f1a825/2b252f02d31e49c88ea4f0394388a923/FLAG6f146d623 [2021-12-22 13:22:43,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28f1a825/2b252f02d31e49c88ea4f0394388a923 [2021-12-22 13:22:43,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 13:22:43,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 13:22:43,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 13:22:43,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 13:22:43,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 13:22:43,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608f541e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43, skipping insertion in model container [2021-12-22 13:22:43,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 13:22:43,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 13:22:43,673 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_longest.i[43280,43293] [2021-12-22 13:22:43,676 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_longest.i[43553,43566] [2021-12-22 13:22:43,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:22:43,694 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 13:22:43,730 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_longest.i[43280,43293] [2021-12-22 13:22:43,732 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_longest.i[43553,43566] [2021-12-22 13:22:43,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:22:43,785 INFO L208 MainTranslator]: Completed translation [2021-12-22 13:22:43,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43 WrapperNode [2021-12-22 13:22:43,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 13:22:43,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 13:22:43,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 13:22:43,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 13:22:43,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,835 INFO L137 Inliner]: procedures = 274, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 204 [2021-12-22 13:22:43,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 13:22:43,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 13:22:43,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 13:22:43,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 13:22:43,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 13:22:43,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 13:22:43,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 13:22:43,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 13:22:43,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43" (1/1) ... [2021-12-22 13:22:43,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:22:43,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:22:43,922 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) [2021-12-22 13:22:43,923 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 [2021-12-22 13:22:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-12-22 13:22:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-12-22 13:22:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-12-22 13:22:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-12-22 13:22:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 13:22:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 13:22:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 13:22:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 13:22:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-22 13:22:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 13:22:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 13:22:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 13:22:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 13:22:43,965 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-22 13:22:44,082 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 13:22:44,083 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 13:22:44,373 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 13:22:44,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 13:22:44,384 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 13:22:44,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:22:44 BoogieIcfgContainer [2021-12-22 13:22:44,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 13:22:44,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 13:22:44,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 13:22:44,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 13:22:44,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:22:43" (1/3) ... [2021-12-22 13:22:44,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abd99e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:22:44, skipping insertion in model container [2021-12-22 13:22:44,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:22:43" (2/3) ... [2021-12-22 13:22:44,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abd99e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:22:44, skipping insertion in model container [2021-12-22 13:22:44,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:22:44" (3/3) ... [2021-12-22 13:22:44,393 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2021-12-22 13:22:44,397 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-22 13:22:44,397 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 13:22:44,397 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-22 13:22:44,397 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-22 13:22:44,435 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,436 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,436 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,436 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,436 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,436 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,437 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,437 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,437 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,437 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,437 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,437 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,438 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,438 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,438 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,438 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,439 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,439 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,439 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,439 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,440 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,440 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,440 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,440 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,441 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,441 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,441 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,441 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,442 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,442 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,442 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,442 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,443 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,443 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,443 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,443 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,444 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,444 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,444 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,444 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,444 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,444 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,445 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,445 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,445 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,445 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,445 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,445 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,445 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,446 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,446 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,446 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,446 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,446 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,446 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,447 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,447 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,447 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,447 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,447 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,447 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,447 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,448 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,448 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,448 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,448 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,448 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,448 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,449 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,449 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,449 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,449 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,449 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,449 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,450 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,450 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,450 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,450 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,450 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,451 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,451 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,451 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,451 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,451 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,452 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,452 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,453 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,453 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,453 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,453 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,453 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,453 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,454 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,454 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,454 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,454 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,454 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,455 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,455 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,455 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,455 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,455 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,455 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,456 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,456 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,456 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,456 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,456 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,456 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,456 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,457 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,457 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,457 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,457 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,457 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,457 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,458 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,458 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,458 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,458 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,458 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,458 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,458 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,459 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,459 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,459 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,459 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,459 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,460 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,460 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,460 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,460 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,460 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,460 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,460 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,461 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,461 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,461 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,461 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,461 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,461 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,462 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,462 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,462 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,462 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,462 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,462 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,462 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,463 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,463 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,463 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,463 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,463 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,464 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,464 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,464 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,464 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,465 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,465 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,465 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,465 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,465 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,466 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,466 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,466 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,466 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,466 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,466 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,467 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,467 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,467 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,467 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,468 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,468 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,468 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,468 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,469 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,469 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,469 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,469 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,469 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,469 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,469 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,470 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,470 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,470 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,470 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,471 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,471 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,471 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,471 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,471 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,472 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,472 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,472 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,472 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,472 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,472 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,473 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,473 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,473 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,473 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,473 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,473 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,473 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,474 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,474 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,474 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,474 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,474 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,474 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,474 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,474 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,475 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,475 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,475 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,475 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,475 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,475 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,475 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,476 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,476 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,476 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,476 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,476 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,476 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,477 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,477 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,477 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,477 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,477 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,477 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,478 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,478 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,478 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,478 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,478 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,478 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,479 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,479 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,479 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,479 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,479 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,479 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,479 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,480 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,480 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,480 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,480 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,480 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,480 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,480 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,481 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,481 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,481 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,481 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,481 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,481 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,481 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,482 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,482 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,482 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,483 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,483 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,483 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,483 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,483 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,483 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,483 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,484 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,484 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,484 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,484 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,484 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,484 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,484 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,485 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,485 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,485 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,485 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,485 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,485 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,485 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,486 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,486 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,486 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,486 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,486 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,486 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,486 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,487 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,487 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,487 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,487 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,487 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,487 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,487 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,487 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,488 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,488 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,488 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,488 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,488 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,488 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,488 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,488 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,489 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,489 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,489 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,489 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,489 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,489 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,489 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,490 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,490 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,490 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,490 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,490 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,490 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,490 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,491 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,491 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,491 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,491 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,491 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,491 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,491 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,493 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,493 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,493 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,493 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,493 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,493 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,493 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,494 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,494 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,494 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,494 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,494 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,494 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,494 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,495 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,495 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,495 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,495 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,495 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,495 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,496 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,496 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,496 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,496 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,496 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,496 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,497 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,497 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,497 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,497 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,497 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,497 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,497 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,498 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,498 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,498 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,498 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,498 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,498 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,498 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,499 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,499 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,499 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,499 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,499 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,499 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,499 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,500 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,500 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,500 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,500 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,500 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,500 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,501 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,501 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,501 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,501 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,501 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,501 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,501 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,501 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,502 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,502 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,502 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,502 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,502 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,502 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,503 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,503 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,503 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,503 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,504 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,504 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,504 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,504 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,504 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,504 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,505 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,505 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,505 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,505 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,505 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,505 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,505 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,506 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,506 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,506 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,506 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,506 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,506 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,506 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,509 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,509 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,509 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,509 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,510 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,510 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,510 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,510 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,511 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,512 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,512 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,512 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,512 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,512 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,512 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,512 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,512 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,513 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,515 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,515 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,516 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,516 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,516 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,516 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,516 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,516 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,516 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,517 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,517 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,517 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,517 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,517 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,517 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,517 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,518 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,518 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,518 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,519 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,519 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,519 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,519 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,519 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,520 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,520 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,523 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,523 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,524 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,524 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,524 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:22:44,530 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-22 13:22:44,579 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 13:22:44,585 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 [2021-12-22 13:22:44,585 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-22 13:22:44,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 231 transitions, 478 flow [2021-12-22 13:22:44,648 INFO L129 PetriNetUnfolder]: 13/229 cut-off events. [2021-12-22 13:22:44,648 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-22 13:22:44,653 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. [2021-12-22 13:22:44,653 INFO L82 GeneralOperation]: Start removeDead. Operand has 225 places, 231 transitions, 478 flow [2021-12-22 13:22:44,662 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 213 places, 219 transitions, 447 flow [2021-12-22 13:22:44,697 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2021-12-22 13:22:44,697 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-22 13:22:44,698 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:22:44,698 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] [2021-12-22 13:22:44,699 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)] === [2021-12-22 13:22:44,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:22:44,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1145000913, now seen corresponding path program 1 times [2021-12-22 13:22:44,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:22:44,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320076692] [2021-12-22 13:22:44,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:22:44,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:22:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:22:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:44,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:22:44,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320076692] [2021-12-22 13:22:44,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320076692] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:22:44,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:22:44,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 13:22:44,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878199453] [2021-12-22 13:22:44,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:22:44,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-22 13:22:44,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:22:44,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-22 13:22:44,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-22 13:22:44,963 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 231 [2021-12-22 13:22:44,969 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) [2021-12-22 13:22:44,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:22:44,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 231 [2021-12-22 13:22:44,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:22:45,023 INFO L129 PetriNetUnfolder]: 9/210 cut-off events. [2021-12-22 13:22:45,023 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-22 13:22:45,026 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. [2021-12-22 13:22:45,029 INFO L132 encePairwiseOnDemand]: 227/231 looper letters, 3 selfloop transitions, 0 changer transitions 0/210 dead transitions. [2021-12-22 13:22:45,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 210 transitions, 435 flow [2021-12-22 13:22:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-22 13:22:45,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-22 13:22:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 447 transitions. [2021-12-22 13:22:45,048 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9675324675324676 [2021-12-22 13:22:45,049 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 447 transitions. [2021-12-22 13:22:45,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 447 transitions. [2021-12-22 13:22:45,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:22:45,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 447 transitions. [2021-12-22 13:22:45,059 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) [2021-12-22 13:22:45,066 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) [2021-12-22 13:22:45,067 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) [2021-12-22 13:22:45,068 INFO L186 Difference]: Start difference. First operand has 213 places, 219 transitions, 447 flow. Second operand 2 states and 447 transitions. [2021-12-22 13:22:45,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 210 transitions, 435 flow [2021-12-22 13:22:45,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 210 transitions, 430 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-22 13:22:45,076 INFO L242 Difference]: Finished difference. Result has 206 places, 210 transitions, 424 flow [2021-12-22 13:22:45,078 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} [2021-12-22 13:22:45,080 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -7 predicate places. [2021-12-22 13:22:45,081 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 210 transitions, 424 flow [2021-12-22 13:22:45,081 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) [2021-12-22 13:22:45,081 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:22:45,082 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] [2021-12-22 13:22:45,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 13:22:45,082 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)] === [2021-12-22 13:22:45,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:22:45,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1194749697, now seen corresponding path program 1 times [2021-12-22 13:22:45,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:22:45,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926966222] [2021-12-22 13:22:45,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:22:45,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:22:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:22:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:45,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:22:45,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926966222] [2021-12-22 13:22:45,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926966222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:22:45,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:22:45,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-22 13:22:45,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854928463] [2021-12-22 13:22:45,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:22:45,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-22 13:22:45,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:22:45,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-22 13:22:45,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-12-22 13:22:45,411 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 231 [2021-12-22 13:22:45,413 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) [2021-12-22 13:22:45,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:22:45,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 231 [2021-12-22 13:22:45,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:22:45,966 INFO L129 PetriNetUnfolder]: 611/2582 cut-off events. [2021-12-22 13:22:45,967 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2021-12-22 13:22:45,972 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. [2021-12-22 13:22:45,980 INFO L132 encePairwiseOnDemand]: 218/231 looper letters, 42 selfloop transitions, 12 changer transitions 0/206 dead transitions. [2021-12-22 13:22:45,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 206 transitions, 524 flow [2021-12-22 13:22:45,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 13:22:45,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-22 13:22:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2213 transitions. [2021-12-22 13:22:45,985 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.736929736929737 [2021-12-22 13:22:45,985 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2213 transitions. [2021-12-22 13:22:45,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2213 transitions. [2021-12-22 13:22:45,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:22:45,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2213 transitions. [2021-12-22 13:22:45,990 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) [2021-12-22 13:22:45,995 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) [2021-12-22 13:22:45,997 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) [2021-12-22 13:22:45,997 INFO L186 Difference]: Start difference. First operand has 206 places, 210 transitions, 424 flow. Second operand 13 states and 2213 transitions. [2021-12-22 13:22:45,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 206 transitions, 524 flow [2021-12-22 13:22:45,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 206 transitions, 524 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-22 13:22:46,000 INFO L242 Difference]: Finished difference. Result has 215 places, 206 transitions, 440 flow [2021-12-22 13:22:46,001 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} [2021-12-22 13:22:46,001 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 2 predicate places. [2021-12-22 13:22:46,002 INFO L470 AbstractCegarLoop]: Abstraction has has 215 places, 206 transitions, 440 flow [2021-12-22 13:22:46,003 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) [2021-12-22 13:22:46,003 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:22:46,003 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] [2021-12-22 13:22:46,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 13:22:46,003 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)] === [2021-12-22 13:22:46,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:22:46,004 INFO L85 PathProgramCache]: Analyzing trace with hash -933293975, now seen corresponding path program 1 times [2021-12-22 13:22:46,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:22:46,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150594846] [2021-12-22 13:22:46,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:22:46,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:22:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:22:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:46,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:22:46,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150594846] [2021-12-22 13:22:46,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150594846] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:22:46,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:22:46,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 13:22:46,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492130237] [2021-12-22 13:22:46,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:22:46,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 13:22:46,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:22:46,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 13:22:46,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 13:22:46,078 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 231 [2021-12-22 13:22:46,079 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) [2021-12-22 13:22:46,079 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:22:46,079 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 231 [2021-12-22 13:22:46,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:22:46,124 INFO L129 PetriNetUnfolder]: 16/307 cut-off events. [2021-12-22 13:22:46,124 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-22 13:22:46,125 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. [2021-12-22 13:22:46,125 INFO L132 encePairwiseOnDemand]: 227/231 looper letters, 7 selfloop transitions, 2 changer transitions 5/209 dead transitions. [2021-12-22 13:22:46,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 209 transitions, 473 flow [2021-12-22 13:22:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 13:22:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-22 13:22:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2021-12-22 13:22:46,127 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9451659451659452 [2021-12-22 13:22:46,127 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 655 transitions. [2021-12-22 13:22:46,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 655 transitions. [2021-12-22 13:22:46,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:22:46,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 655 transitions. [2021-12-22 13:22:46,129 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) [2021-12-22 13:22:46,130 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) [2021-12-22 13:22:46,130 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) [2021-12-22 13:22:46,130 INFO L186 Difference]: Start difference. First operand has 215 places, 206 transitions, 440 flow. Second operand 3 states and 655 transitions. [2021-12-22 13:22:46,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 209 transitions, 473 flow [2021-12-22 13:22:46,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 209 transitions, 450 flow, removed 0 selfloop flow, removed 11 redundant places. [2021-12-22 13:22:46,134 INFO L242 Difference]: Finished difference. Result has 207 places, 203 transitions, 419 flow [2021-12-22 13:22:46,134 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} [2021-12-22 13:22:46,135 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -6 predicate places. [2021-12-22 13:22:46,135 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 203 transitions, 419 flow [2021-12-22 13:22:46,135 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) [2021-12-22 13:22:46,136 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:22:46,136 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] [2021-12-22 13:22:46,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 13:22:46,136 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)] === [2021-12-22 13:22:46,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:22:46,136 INFO L85 PathProgramCache]: Analyzing trace with hash 464408434, now seen corresponding path program 1 times [2021-12-22 13:22:46,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:22:46,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897307107] [2021-12-22 13:22:46,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:22:46,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:22:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:22:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:46,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:22:46,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897307107] [2021-12-22 13:22:46,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897307107] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:22:46,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:22:46,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 13:22:46,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142671867] [2021-12-22 13:22:46,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:22:46,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 13:22:46,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:22:46,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 13:22:46,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 13:22:46,210 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 231 [2021-12-22 13:22:46,211 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) [2021-12-22 13:22:46,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:22:46,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 231 [2021-12-22 13:22:46,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:22:46,252 INFO L129 PetriNetUnfolder]: 20/336 cut-off events. [2021-12-22 13:22:46,252 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-22 13:22:46,253 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. [2021-12-22 13:22:46,253 INFO L132 encePairwiseOnDemand]: 228/231 looper letters, 13 selfloop transitions, 2 changer transitions 1/208 dead transitions. [2021-12-22 13:22:46,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 208 transitions, 461 flow [2021-12-22 13:22:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 13:22:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-22 13:22:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2021-12-22 13:22:46,256 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9451659451659452 [2021-12-22 13:22:46,256 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 655 transitions. [2021-12-22 13:22:46,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 655 transitions. [2021-12-22 13:22:46,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:22:46,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 655 transitions. [2021-12-22 13:22:46,258 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) [2021-12-22 13:22:46,259 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) [2021-12-22 13:22:46,259 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) [2021-12-22 13:22:46,259 INFO L186 Difference]: Start difference. First operand has 207 places, 203 transitions, 419 flow. Second operand 3 states and 655 transitions. [2021-12-22 13:22:46,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 208 transitions, 461 flow [2021-12-22 13:22:46,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 208 transitions, 457 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-22 13:22:46,263 INFO L242 Difference]: Finished difference. Result has 207 places, 203 transitions, 425 flow [2021-12-22 13:22:46,263 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} [2021-12-22 13:22:46,264 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -6 predicate places. [2021-12-22 13:22:46,264 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 203 transitions, 425 flow [2021-12-22 13:22:46,265 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) [2021-12-22 13:22:46,265 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:22:46,265 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] [2021-12-22 13:22:46,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 13:22:46,265 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)] === [2021-12-22 13:22:46,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:22:46,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1789731816, now seen corresponding path program 1 times [2021-12-22 13:22:46,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:22:46,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007666715] [2021-12-22 13:22:46,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:22:46,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:22:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:22:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:46,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:22:46,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007666715] [2021-12-22 13:22:46,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007666715] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:22:46,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793970563] [2021-12-22 13:22:46,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:22:46,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:22:46,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:22:46,361 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) [2021-12-22 13:22:46,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 13:22:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:22:46,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 13:22:46,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:22:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:46,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:22:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:47,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793970563] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:22:47,040 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:22:47,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-22 13:22:47,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052636478] [2021-12-22 13:22:47,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:22:47,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-22 13:22:47,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:22:47,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-22 13:22:47,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-22 13:22:47,044 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-22 13:22:47,045 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) [2021-12-22 13:22:47,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:22:47,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-22 13:22:47,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:22:47,137 INFO L129 PetriNetUnfolder]: 30/423 cut-off events. [2021-12-22 13:22:47,137 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-22 13:22:47,138 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. [2021-12-22 13:22:47,140 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 20 selfloop transitions, 9 changer transitions 0/220 dead transitions. [2021-12-22 13:22:47,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 220 transitions, 533 flow [2021-12-22 13:22:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 13:22:47,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-22 13:22:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1939 transitions. [2021-12-22 13:22:47,145 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9326599326599326 [2021-12-22 13:22:47,145 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1939 transitions. [2021-12-22 13:22:47,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1939 transitions. [2021-12-22 13:22:47,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:22:47,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1939 transitions. [2021-12-22 13:22:47,150 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) [2021-12-22 13:22:47,153 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) [2021-12-22 13:22:47,154 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) [2021-12-22 13:22:47,154 INFO L186 Difference]: Start difference. First operand has 207 places, 203 transitions, 425 flow. Second operand 9 states and 1939 transitions. [2021-12-22 13:22:47,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 220 transitions, 533 flow [2021-12-22 13:22:47,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 220 transitions, 531 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-22 13:22:47,159 INFO L242 Difference]: Finished difference. Result has 216 places, 209 transitions, 473 flow [2021-12-22 13:22:47,159 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} [2021-12-22 13:22:47,160 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 3 predicate places. [2021-12-22 13:22:47,160 INFO L470 AbstractCegarLoop]: Abstraction has has 216 places, 209 transitions, 473 flow [2021-12-22 13:22:47,161 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) [2021-12-22 13:22:47,161 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:22:47,161 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] [2021-12-22 13:22:47,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 13:22:47,379 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 [2021-12-22 13:22:47,379 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)] === [2021-12-22 13:22:47,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:22:47,380 INFO L85 PathProgramCache]: Analyzing trace with hash -146638564, now seen corresponding path program 2 times [2021-12-22 13:22:47,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:22:47,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855091737] [2021-12-22 13:22:47,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:22:47,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:22:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:22:47,466 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-22 13:22:47,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:22:47,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855091737] [2021-12-22 13:22:47,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855091737] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:22:47,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:22:47,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 13:22:47,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820629584] [2021-12-22 13:22:47,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:22:47,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 13:22:47,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:22:47,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 13:22:47,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 13:22:47,470 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 231 [2021-12-22 13:22:47,471 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) [2021-12-22 13:22:47,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:22:47,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 231 [2021-12-22 13:22:47,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:22:47,538 INFO L129 PetriNetUnfolder]: 25/611 cut-off events. [2021-12-22 13:22:47,538 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-12-22 13:22:47,539 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. [2021-12-22 13:22:47,540 INFO L132 encePairwiseOnDemand]: 227/231 looper letters, 12 selfloop transitions, 3 changer transitions 3/211 dead transitions. [2021-12-22 13:22:47,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 211 transitions, 512 flow [2021-12-22 13:22:47,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 13:22:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-22 13:22:47,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 645 transitions. [2021-12-22 13:22:47,542 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9307359307359307 [2021-12-22 13:22:47,542 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 645 transitions. [2021-12-22 13:22:47,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 645 transitions. [2021-12-22 13:22:47,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:22:47,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 645 transitions. [2021-12-22 13:22:47,543 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) [2021-12-22 13:22:47,544 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) [2021-12-22 13:22:47,545 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) [2021-12-22 13:22:47,545 INFO L186 Difference]: Start difference. First operand has 216 places, 209 transitions, 473 flow. Second operand 3 states and 645 transitions. [2021-12-22 13:22:47,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 211 transitions, 512 flow [2021-12-22 13:22:47,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 211 transitions, 506 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-22 13:22:47,549 INFO L242 Difference]: Finished difference. Result has 217 places, 206 transitions, 467 flow [2021-12-22 13:22:47,549 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} [2021-12-22 13:22:47,550 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 4 predicate places. [2021-12-22 13:22:47,550 INFO L470 AbstractCegarLoop]: Abstraction has has 217 places, 206 transitions, 467 flow [2021-12-22 13:22:47,550 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) [2021-12-22 13:22:47,550 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:22:47,551 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] [2021-12-22 13:22:47,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 13:22:47,551 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)] === [2021-12-22 13:22:47,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:22:47,551 INFO L85 PathProgramCache]: Analyzing trace with hash -733343356, now seen corresponding path program 1 times [2021-12-22 13:22:47,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:22:47,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752958832] [2021-12-22 13:22:47,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:22:47,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:22:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:22:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:47,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:22:47,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752958832] [2021-12-22 13:22:47,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752958832] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:22:47,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11268662] [2021-12-22 13:22:47,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:22:47,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:22:47,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:22:47,644 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) [2021-12-22 13:22:47,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 13:22:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:22:47,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-22 13:22:47,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:22:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:48,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:22:48,540 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:48,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11268662] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:22:48,541 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:22:48,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-12-22 13:22:48,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465660828] [2021-12-22 13:22:48,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:22:48,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-22 13:22:48,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:22:48,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-22 13:22:48,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-12-22 13:22:48,546 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-22 13:22:48,549 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) [2021-12-22 13:22:48,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:22:48,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-22 13:22:48,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:22:48,764 INFO L129 PetriNetUnfolder]: 58/747 cut-off events. [2021-12-22 13:22:48,765 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2021-12-22 13:22:48,766 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. [2021-12-22 13:22:48,767 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 40 selfloop transitions, 21 changer transitions 1/249 dead transitions. [2021-12-22 13:22:48,768 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 249 transitions, 765 flow [2021-12-22 13:22:48,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-22 13:22:48,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-22 13:22:48,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 4517 transitions. [2021-12-22 13:22:48,774 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9311482168625026 [2021-12-22 13:22:48,775 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 4517 transitions. [2021-12-22 13:22:48,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 4517 transitions. [2021-12-22 13:22:48,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:22:48,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 4517 transitions. [2021-12-22 13:22:48,782 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) [2021-12-22 13:22:48,788 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) [2021-12-22 13:22:48,790 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) [2021-12-22 13:22:48,790 INFO L186 Difference]: Start difference. First operand has 217 places, 206 transitions, 467 flow. Second operand 21 states and 4517 transitions. [2021-12-22 13:22:48,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 249 transitions, 765 flow [2021-12-22 13:22:48,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 249 transitions, 762 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-22 13:22:48,794 INFO L242 Difference]: Finished difference. Result has 238 places, 218 transitions, 592 flow [2021-12-22 13:22:48,795 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} [2021-12-22 13:22:48,795 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 25 predicate places. [2021-12-22 13:22:48,795 INFO L470 AbstractCegarLoop]: Abstraction has has 238 places, 218 transitions, 592 flow [2021-12-22 13:22:48,796 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) [2021-12-22 13:22:48,796 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:22:48,797 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] [2021-12-22 13:22:48,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-22 13:22:49,014 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 [2021-12-22 13:22:49,014 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)] === [2021-12-22 13:22:49,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:22:49,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2142412128, now seen corresponding path program 2 times [2021-12-22 13:22:49,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:22:49,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463153992] [2021-12-22 13:22:49,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:22:49,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:22:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:22:49,256 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:49,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:22:49,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463153992] [2021-12-22 13:22:49,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463153992] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:22:49,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119359609] [2021-12-22 13:22:49,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 13:22:49,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:22:49,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:22:49,258 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) [2021-12-22 13:22:49,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-22 13:22:49,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 13:22:49,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:22:49,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-22 13:22:49,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:22:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:49,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:22:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:50,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119359609] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:22:50,454 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:22:50,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2021-12-22 13:22:50,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521109120] [2021-12-22 13:22:50,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:22:50,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-22 13:22:50,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:22:50,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-22 13:22:50,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2021-12-22 13:22:50,461 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-22 13:22:50,475 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) [2021-12-22 13:22:50,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:22:50,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-22 13:22:50,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:22:51,095 INFO L129 PetriNetUnfolder]: 114/1393 cut-off events. [2021-12-22 13:22:51,095 INFO L130 PetriNetUnfolder]: For 465/465 co-relation queries the response was YES. [2021-12-22 13:22:51,098 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. [2021-12-22 13:22:51,101 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 80 selfloop transitions, 45 changer transitions 0/312 dead transitions. [2021-12-22 13:22:51,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 312 transitions, 1330 flow [2021-12-22 13:22:51,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-22 13:22:51,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-12-22 13:22:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 9673 transitions. [2021-12-22 13:22:51,117 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9305435305435306 [2021-12-22 13:22:51,117 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 9673 transitions. [2021-12-22 13:22:51,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 9673 transitions. [2021-12-22 13:22:51,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:22:51,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 9673 transitions. [2021-12-22 13:22:51,133 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) [2021-12-22 13:22:51,164 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) [2021-12-22 13:22:51,165 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) [2021-12-22 13:22:51,165 INFO L186 Difference]: Start difference. First operand has 238 places, 218 transitions, 592 flow. Second operand 45 states and 9673 transitions. [2021-12-22 13:22:51,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 312 transitions, 1330 flow [2021-12-22 13:22:51,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 312 transitions, 1290 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-12-22 13:22:51,172 INFO L242 Difference]: Finished difference. Result has 284 places, 243 transitions, 870 flow [2021-12-22 13:22:51,172 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} [2021-12-22 13:22:51,173 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 71 predicate places. [2021-12-22 13:22:51,173 INFO L470 AbstractCegarLoop]: Abstraction has has 284 places, 243 transitions, 870 flow [2021-12-22 13:22:51,174 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) [2021-12-22 13:22:51,175 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:22:51,175 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] [2021-12-22 13:22:51,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-22 13:22:51,391 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 [2021-12-22 13:22:51,392 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)] === [2021-12-22 13:22:51,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:22:51,392 INFO L85 PathProgramCache]: Analyzing trace with hash 681727648, now seen corresponding path program 3 times [2021-12-22 13:22:51,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:22:51,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899358845] [2021-12-22 13:22:51,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:22:51,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:22:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:22:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 0 proven. 3270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:22:51,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:22:51,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899358845] [2021-12-22 13:22:51,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899358845] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:22:51,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886777139] [2021-12-22 13:22:51,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-22 13:22:51,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:22:51,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:22:51,908 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) [2021-12-22 13:22:51,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-22 13:22:52,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-22 13:22:52,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:22:52,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 39 conjunts are in the unsatisfiable core [2021-12-22 13:22:52,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:22:53,958 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 [2021-12-22 13:22:54,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 13:22:54,023 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 [2021-12-22 13:22:54,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-22 13:22:54,228 INFO L353 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-12-22 13:22:54,229 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 27 [2021-12-22 13:22:54,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 13:22:54,277 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 [2021-12-22 13:22:54,306 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 [2021-12-22 13:22:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 455 proven. 319 refuted. 0 times theorem prover too weak. 2496 trivial. 0 not checked. [2021-12-22 13:22:54,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:22:54,724 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| 3204)) 800)) is different from false [2021-12-22 13:22:54,749 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-22 13:22:54,750 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 [2021-12-22 13:22:54,757 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-22 13:22:54,757 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 [2021-12-22 13:22:54,760 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 [2021-12-22 13:22:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 377 proven. 319 refuted. 0 times theorem prover too weak. 2496 trivial. 78 not checked. [2021-12-22 13:22:55,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886777139] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:22:55,712 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:22:55,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 12, 12] total 53 [2021-12-22 13:22:55,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550753208] [2021-12-22 13:22:55,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:22:55,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-12-22 13:22:55,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:22:55,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-12-22 13:22:55,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=2291, Unknown=1, NotChecked=100, Total=2756 [2021-12-22 13:22:55,718 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 231 [2021-12-22 13:22:55,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 243 transitions, 870 flow. Second operand has 53 states, 53 states have (on average 168.9245283018868) internal successors, (8953), 53 states have internal predecessors, (8953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:22:55,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:22:55,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 231 [2021-12-22 13:22:55,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:23:04,418 INFO L129 PetriNetUnfolder]: 2125/7558 cut-off events. [2021-12-22 13:23:04,418 INFO L130 PetriNetUnfolder]: For 2826/2826 co-relation queries the response was YES. [2021-12-22 13:23:04,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15817 conditions, 7558 events. 2125/7558 cut-off events. For 2826/2826 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 39986 event pairs, 33 based on Foata normal form. 8/7466 useless extension candidates. Maximal degree in co-relation 15794. Up to 687 conditions per place. [2021-12-22 13:23:04,512 INFO L132 encePairwiseOnDemand]: 210/231 looper letters, 871 selfloop transitions, 372 changer transitions 0/1379 dead transitions. [2021-12-22 13:23:04,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 1379 transitions, 6630 flow [2021-12-22 13:23:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-12-22 13:23:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2021-12-22 13:23:04,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 30418 transitions. [2021-12-22 13:23:04,547 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.727511898782617 [2021-12-22 13:23:04,547 INFO L72 ComplementDD]: Start complementDD. Operand 181 states and 30418 transitions. [2021-12-22 13:23:04,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 181 states and 30418 transitions. [2021-12-22 13:23:04,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:23:04,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 181 states and 30418 transitions. [2021-12-22 13:23:04,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 182 states, 181 states have (on average 168.05524861878453) internal successors, (30418), 181 states have internal predecessors, (30418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:23:04,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 182 states, 182 states have (on average 231.0) internal successors, (42042), 182 states have internal predecessors, (42042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:23:04,664 INFO L81 ComplementDD]: Finished complementDD. Result has 182 states, 182 states have (on average 231.0) internal successors, (42042), 182 states have internal predecessors, (42042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:23:04,664 INFO L186 Difference]: Start difference. First operand has 284 places, 243 transitions, 870 flow. Second operand 181 states and 30418 transitions. [2021-12-22 13:23:04,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 1379 transitions, 6630 flow [2021-12-22 13:23:04,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 1379 transitions, 6515 flow, removed 22 selfloop flow, removed 18 redundant places. [2021-12-22 13:23:04,692 INFO L242 Difference]: Finished difference. Result has 515 places, 648 transitions, 3382 flow [2021-12-22 13:23:04,693 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=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=181, PETRI_FLOW=3382, PETRI_PLACES=515, PETRI_TRANSITIONS=648} [2021-12-22 13:23:04,693 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 302 predicate places. [2021-12-22 13:23:04,694 INFO L470 AbstractCegarLoop]: Abstraction has has 515 places, 648 transitions, 3382 flow [2021-12-22 13:23:04,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 168.9245283018868) internal successors, (8953), 53 states have internal predecessors, (8953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:23:04,696 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:23:04,696 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] [2021-12-22 13:23:04,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-22 13:23:04,915 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 [2021-12-22 13:23:04,916 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)] === [2021-12-22 13:23:04,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:23:04,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1049680381, now seen corresponding path program 1 times [2021-12-22 13:23:04,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:23:04,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226329747] [2021-12-22 13:23:04,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:23:04,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:23:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:23:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3694 backedges. 0 proven. 3694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:23:05,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:23:05,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226329747] [2021-12-22 13:23:05,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226329747] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:23:05,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372757863] [2021-12-22 13:23:05,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:23:05,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:23:05,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:23:05,448 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) [2021-12-22 13:23:05,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-22 13:23:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:23:05,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 34 conjunts are in the unsatisfiable core [2021-12-22 13:23:05,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:23:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3694 backedges. 0 proven. 3694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:23:06,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:23:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3694 backedges. 0 proven. 3694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:23:08,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372757863] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:23:08,229 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:23:08,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 70 [2021-12-22 13:23:08,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720973128] [2021-12-22 13:23:08,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:23:08,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-12-22 13:23:08,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:23:08,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-12-22 13:23:08,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1260, Invalid=3570, Unknown=0, NotChecked=0, Total=4830 [2021-12-22 13:23:08,245 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-22 13:23:08,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 648 transitions, 3382 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) [2021-12-22 13:23:08,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:23:08,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-22 13:23:08,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:23:13,531 INFO L129 PetriNetUnfolder]: 927/8255 cut-off events. [2021-12-22 13:23:13,531 INFO L130 PetriNetUnfolder]: For 115977/115977 co-relation queries the response was YES. [2021-12-22 13:23:13,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26430 conditions, 8255 events. 927/8255 cut-off events. For 115977/115977 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 37613 event pairs, 7 based on Foata normal form. 102/8349 useless extension candidates. Maximal degree in co-relation 26337. Up to 590 conditions per place. [2021-12-22 13:23:13,658 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 170 selfloop transitions, 162 changer transitions 0/873 dead transitions. [2021-12-22 13:23:13,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 613 places, 873 transitions, 5718 flow [2021-12-22 13:23:13,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-12-22 13:23:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-12-22 13:23:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 21274 transitions. [2021-12-22 13:23:13,705 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9302549302549302 [2021-12-22 13:23:13,705 INFO L72 ComplementDD]: Start complementDD. Operand 99 states and 21274 transitions. [2021-12-22 13:23:13,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 21274 transitions. [2021-12-22 13:23:13,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:23:13,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 99 states and 21274 transitions. [2021-12-22 13:23:13,795 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) [2021-12-22 13:23:13,828 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) [2021-12-22 13:23:13,834 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) [2021-12-22 13:23:13,834 INFO L186 Difference]: Start difference. First operand has 515 places, 648 transitions, 3382 flow. Second operand 99 states and 21274 transitions. [2021-12-22 13:23:13,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 613 places, 873 transitions, 5718 flow [2021-12-22 13:23:14,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 873 transitions, 5538 flow, removed 4 selfloop flow, removed 45 redundant places. [2021-12-22 13:23:14,219 INFO L242 Difference]: Finished difference. Result has 586 places, 715 transitions, 4472 flow [2021-12-22 13:23:14,221 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=3202, 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=4472, PETRI_PLACES=586, PETRI_TRANSITIONS=715} [2021-12-22 13:23:14,222 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 373 predicate places. [2021-12-22 13:23:14,222 INFO L470 AbstractCegarLoop]: Abstraction has has 586 places, 715 transitions, 4472 flow [2021-12-22 13:23:14,224 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) [2021-12-22 13:23:14,224 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:23:14,225 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] [2021-12-22 13:23:14,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-22 13:23:14,445 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 [2021-12-22 13:23:14,445 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)] === [2021-12-22 13:23:14,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:23:14,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1964703088, now seen corresponding path program 2 times [2021-12-22 13:23:14,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:23:14,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918414957] [2021-12-22 13:23:14,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:23:14,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:23:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:23:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 16337 backedges. 0 proven. 16337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:23:16,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:23:16,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918414957] [2021-12-22 13:23:16,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918414957] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:23:16,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673441199] [2021-12-22 13:23:16,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 13:23:16,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:23:16,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:23:16,088 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) [2021-12-22 13:23:16,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-22 13:23:16,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 13:23:16,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:23:16,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 68 conjunts are in the unsatisfiable core [2021-12-22 13:23:16,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:23:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 16337 backedges. 0 proven. 16337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:23:18,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:23:22,608 INFO L134 CoverageAnalysis]: Checked inductivity of 16337 backedges. 0 proven. 16337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:23:22,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673441199] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:23:22,609 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:23:22,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 138 [2021-12-22 13:23:22,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071477479] [2021-12-22 13:23:22,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:23:22,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2021-12-22 13:23:22,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:23:22,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2021-12-22 13:23:22,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4830, Invalid=14076, Unknown=0, NotChecked=0, Total=18906 [2021-12-22 13:23:22,647 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-22 13:23:22,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 715 transitions, 4472 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) [2021-12-22 13:23:22,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:23:22,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-22 13:23:22,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand