./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 02:41:51,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 02:41:51,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 02:41:51,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 02:41:51,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 02:41:51,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 02:41:51,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 02:41:51,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 02:41:51,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 02:41:51,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 02:41:51,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 02:41:51,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 02:41:51,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 02:41:51,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 02:41:51,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 02:41:51,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 02:41:51,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 02:41:51,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 02:41:51,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 02:41:51,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 02:41:51,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 02:41:51,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 02:41:51,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 02:41:51,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 02:41:51,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 02:41:51,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 02:41:51,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 02:41:51,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 02:41:51,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 02:41:51,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 02:41:51,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 02:41:51,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 02:41:51,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 02:41:51,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 02:41:51,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 02:41:51,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 02:41:51,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 02:41:51,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 02:41:51,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 02:41:51,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 02:41:51,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 02:41:51,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 02:41:51,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 02:41:51,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 02:41:51,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 02:41:51,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 02:41:51,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 02:41:51,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 02:41:51,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 02:41:51,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 02:41:51,153 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 02:41:51,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 02:41:51,154 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 02:41:51,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 02:41:51,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 02:41:51,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 02:41:51,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 02:41:51,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 02:41:51,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 02:41:51,155 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 02:41:51,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 02:41:51,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 02:41:51,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 02:41:51,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 02:41:51,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 02:41:51,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 02:41:51,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:41:51,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 02:41:51,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 02:41:51,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 02:41:51,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 02:41:51,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 02:41:51,158 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 02:41:51,158 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 02:41:51,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 02:41:51,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 02:41:51,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2021-12-16 02:41:51,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 02:41:51,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 02:41:51,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 02:41:51,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 02:41:51,384 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 02:41:51,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_ok_longest.i [2021-12-16 02:41:51,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae809a30/20fb37b297d040ebb19468ea577dd8df/FLAGb69076d74 [2021-12-16 02:41:51,851 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 02:41:51,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok_longest.i [2021-12-16 02:41:51,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae809a30/20fb37b297d040ebb19468ea577dd8df/FLAGb69076d74 [2021-12-16 02:41:51,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae809a30/20fb37b297d040ebb19468ea577dd8df [2021-12-16 02:41:51,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 02:41:51,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 02:41:51,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 02:41:51,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 02:41:51,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 02:41:51,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:41:51" (1/1) ... [2021-12-16 02:41:51,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d37986b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:51, skipping insertion in model container [2021-12-16 02:41:51,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:41:51" (1/1) ... [2021-12-16 02:41:51,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 02:41:51,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 02:41:52,287 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] [2021-12-16 02:41:52,291 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] [2021-12-16 02:41:52,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:41:52,301 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 02:41:52,354 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] [2021-12-16 02:41:52,361 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] [2021-12-16 02:41:52,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:41:52,408 INFO L208 MainTranslator]: Completed translation [2021-12-16 02:41:52,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52 WrapperNode [2021-12-16 02:41:52,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 02:41:52,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 02:41:52,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 02:41:52,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 02:41:52,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52" (1/1) ... [2021-12-16 02:41:52,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52" (1/1) ... [2021-12-16 02:41:52,444 INFO L137 Inliner]: procedures = 274, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 204 [2021-12-16 02:41:52,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 02:41:52,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 02:41:52,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 02:41:52,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 02:41:52,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52" (1/1) ... [2021-12-16 02:41:52,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52" (1/1) ... [2021-12-16 02:41:52,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52" (1/1) ... [2021-12-16 02:41:52,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52" (1/1) ... [2021-12-16 02:41:52,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52" (1/1) ... [2021-12-16 02:41:52,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52" (1/1) ... [2021-12-16 02:41:52,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52" (1/1) ... [2021-12-16 02:41:52,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 02:41:52,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 02:41:52,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 02:41:52,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 02:41:52,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52" (1/1) ... [2021-12-16 02:41:52,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:41:52,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:41:52,528 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) [2021-12-16 02:41:52,552 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 [2021-12-16 02:41:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-12-16 02:41:52,578 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-12-16 02:41:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-12-16 02:41:52,578 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-12-16 02:41:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 02:41:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 02:41:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 02:41:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 02:41:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-16 02:41:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 02:41:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 02:41:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 02:41:52,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 02:41:52,580 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-16 02:41:52,693 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 02:41:52,694 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 02:41:52,867 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 02:41:52,874 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 02:41:52,875 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 02:41:52,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:41:52 BoogieIcfgContainer [2021-12-16 02:41:52,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 02:41:52,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 02:41:52,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 02:41:52,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 02:41:52,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:41:51" (1/3) ... [2021-12-16 02:41:52,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1794483d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:41:52, skipping insertion in model container [2021-12-16 02:41:52,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:52" (2/3) ... [2021-12-16 02:41:52,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1794483d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:41:52, skipping insertion in model container [2021-12-16 02:41:52,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:41:52" (3/3) ... [2021-12-16 02:41:52,882 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2021-12-16 02:41:52,885 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-16 02:41:52,886 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 02:41:52,886 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-16 02:41:52,886 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-16 02:41:52,927 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,928 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,928 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,928 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,929 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,929 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,929 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,929 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,929 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,930 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,930 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,930 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,930 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,931 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,931 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,931 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,931 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,931 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,932 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,932 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,933 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,933 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,934 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,934 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,934 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,934 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,935 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,935 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,935 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,936 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,936 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,936 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,936 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,936 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,936 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,936 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,937 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,937 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,937 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,937 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,937 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,937 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,937 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,938 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,938 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,938 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,938 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,938 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,939 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,939 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,939 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,940 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,940 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,940 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,940 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,940 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,940 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,941 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,941 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,941 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,941 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,941 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,941 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,941 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,941 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,942 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,942 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,942 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,942 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,942 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,942 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,943 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,943 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,943 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,943 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,943 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,943 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,943 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,944 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,944 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,946 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,947 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,947 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,947 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,948 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,948 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,948 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,949 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,949 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,952 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,952 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,953 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,954 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,955 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,955 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,955 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,955 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,955 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,955 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,956 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,957 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,957 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,958 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,958 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,958 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,958 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,958 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,958 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,959 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,960 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,960 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,960 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,960 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,960 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,960 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,960 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,961 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,961 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,961 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,961 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,961 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,961 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,961 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,962 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,962 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,962 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,962 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,963 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,964 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,964 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,964 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,964 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,964 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,964 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,964 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,965 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,965 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,965 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,965 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,965 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,965 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,965 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,965 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,966 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,966 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,966 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,967 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,967 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,967 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,968 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,968 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,968 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,968 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,968 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,969 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,970 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,971 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,971 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,971 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,971 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,971 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,971 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,972 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,972 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,972 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,972 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,972 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,972 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,973 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,975 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,975 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,975 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,975 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,975 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,976 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,976 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,980 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,981 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,981 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,982 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,982 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,982 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,982 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,982 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,982 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,983 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,983 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,983 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,983 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,983 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,983 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,983 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,983 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,985 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,985 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,985 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,985 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,985 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,985 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,985 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,986 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,986 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,986 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,986 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,986 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,986 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,986 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,987 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,987 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,987 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,987 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,987 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,988 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,988 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,988 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,988 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,988 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,988 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,988 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,988 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,989 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,989 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,989 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,989 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,989 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,989 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,989 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,989 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,990 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,990 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,990 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,990 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,990 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,990 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,990 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,990 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,991 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,991 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,991 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,991 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,991 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,991 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,991 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,991 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,992 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,992 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,992 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,992 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,992 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,992 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,992 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,992 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,993 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,993 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,993 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,993 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,993 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,993 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,993 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,993 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,993 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,994 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,994 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,994 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,994 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,994 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,994 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,994 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,994 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,995 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,995 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,995 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,995 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,995 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,995 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,995 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,995 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,996 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,996 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,996 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,996 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,996 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,996 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,996 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,996 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,996 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,997 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,997 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,997 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,997 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,997 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,997 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,997 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,997 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,998 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,998 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,998 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,998 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,999 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,999 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,999 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,999 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,999 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,999 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:52,999 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,000 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,000 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,000 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,000 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,000 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,000 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,000 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,000 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,001 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,001 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,001 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,001 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,001 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,001 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,001 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,003 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,003 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,003 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,003 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,003 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,003 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,003 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,003 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,004 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,004 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,006 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,006 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,006 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,006 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,006 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,006 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,006 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,007 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,007 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,007 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,007 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,007 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,007 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,007 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,007 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,008 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,008 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,008 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,008 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,008 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,008 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,008 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,011 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,011 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,012 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,012 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,012 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,012 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,012 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,012 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,013 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,013 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,016 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,017 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,017 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,017 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,033 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,034 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,034 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,034 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,034 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,034 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,035 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,035 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,035 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,035 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,035 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,035 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,036 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,036 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,036 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,036 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,038 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,038 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,038 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,041 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,041 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,041 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,042 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,042 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,042 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,042 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,042 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,042 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,042 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,043 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,043 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,043 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,043 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,043 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,043 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,043 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,043 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,044 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,044 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,044 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,044 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,044 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,044 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,044 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,045 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,045 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,045 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,045 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,045 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,045 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:41:53,049 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-16 02:41:53,089 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:41:53,096 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 [2021-12-16 02:41:53,096 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-16 02:41:53,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 231 transitions, 478 flow [2021-12-16 02:41:53,191 INFO L129 PetriNetUnfolder]: 13/229 cut-off events. [2021-12-16 02:41:53,191 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-16 02:41:53,196 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. [2021-12-16 02:41:53,196 INFO L82 GeneralOperation]: Start removeDead. Operand has 225 places, 231 transitions, 478 flow [2021-12-16 02:41:53,204 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 213 places, 219 transitions, 447 flow [2021-12-16 02:41:53,219 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2021-12-16 02:41:53,220 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:41:53,220 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:41:53,220 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] [2021-12-16 02:41:53,221 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)] === [2021-12-16 02:41:53,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:41:53,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1145000913, now seen corresponding path program 1 times [2021-12-16 02:41:53,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:41:53,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027015057] [2021-12-16 02:41:53,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:41:53,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:41:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:41:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:53,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:41:53,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027015057] [2021-12-16 02:41:53,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027015057] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:41:53,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:41:53,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 02:41:53,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511135406] [2021-12-16 02:41:53,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:41:53,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 02:41:53,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:41:53,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 02:41:53,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 02:41:53,484 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 231 [2021-12-16 02:41:53,491 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) [2021-12-16 02:41:53,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:41:53,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 231 [2021-12-16 02:41:53,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:41:53,541 INFO L129 PetriNetUnfolder]: 9/210 cut-off events. [2021-12-16 02:41:53,541 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-16 02:41:53,545 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. [2021-12-16 02:41:53,547 INFO L132 encePairwiseOnDemand]: 227/231 looper letters, 3 selfloop transitions, 0 changer transitions 0/210 dead transitions. [2021-12-16 02:41:53,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 210 transitions, 435 flow [2021-12-16 02:41:53,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 02:41:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-16 02:41:53,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 447 transitions. [2021-12-16 02:41:53,561 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9675324675324676 [2021-12-16 02:41:53,562 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 447 transitions. [2021-12-16 02:41:53,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 447 transitions. [2021-12-16 02:41:53,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:41:53,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 447 transitions. [2021-12-16 02:41:53,570 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) [2021-12-16 02:41:53,575 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) [2021-12-16 02:41:53,575 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) [2021-12-16 02:41:53,577 INFO L186 Difference]: Start difference. First operand has 213 places, 219 transitions, 447 flow. Second operand 2 states and 447 transitions. [2021-12-16 02:41:53,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 210 transitions, 435 flow [2021-12-16 02:41:53,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 210 transitions, 430 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-16 02:41:53,585 INFO L242 Difference]: Finished difference. Result has 206 places, 210 transitions, 424 flow [2021-12-16 02:41:53,586 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} [2021-12-16 02:41:53,589 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -7 predicate places. [2021-12-16 02:41:53,589 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 210 transitions, 424 flow [2021-12-16 02:41:53,590 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) [2021-12-16 02:41:53,590 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:41:53,590 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] [2021-12-16 02:41:53,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 02:41:53,591 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)] === [2021-12-16 02:41:53,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:41:53,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1194749697, now seen corresponding path program 1 times [2021-12-16 02:41:53,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:41:53,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200332475] [2021-12-16 02:41:53,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:41:53,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:41:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:41:53,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:53,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:41:53,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200332475] [2021-12-16 02:41:53,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200332475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:41:53,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:41:53,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-16 02:41:53,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618633649] [2021-12-16 02:41:53,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:41:53,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-16 02:41:53,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:41:53,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-16 02:41:53,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-12-16 02:41:53,955 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 231 [2021-12-16 02:41:53,957 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) [2021-12-16 02:41:53,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:41:53,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 231 [2021-12-16 02:41:53,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:41:54,478 INFO L129 PetriNetUnfolder]: 611/2582 cut-off events. [2021-12-16 02:41:54,479 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2021-12-16 02:41:54,484 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. [2021-12-16 02:41:54,490 INFO L132 encePairwiseOnDemand]: 218/231 looper letters, 42 selfloop transitions, 12 changer transitions 0/206 dead transitions. [2021-12-16 02:41:54,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 206 transitions, 524 flow [2021-12-16 02:41:54,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 02:41:54,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-16 02:41:54,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2213 transitions. [2021-12-16 02:41:54,494 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.736929736929737 [2021-12-16 02:41:54,495 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2213 transitions. [2021-12-16 02:41:54,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2213 transitions. [2021-12-16 02:41:54,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:41:54,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2213 transitions. [2021-12-16 02:41:54,499 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) [2021-12-16 02:41:54,504 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) [2021-12-16 02:41:54,505 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) [2021-12-16 02:41:54,505 INFO L186 Difference]: Start difference. First operand has 206 places, 210 transitions, 424 flow. Second operand 13 states and 2213 transitions. [2021-12-16 02:41:54,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 206 transitions, 524 flow [2021-12-16 02:41:54,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 206 transitions, 524 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:41:54,509 INFO L242 Difference]: Finished difference. Result has 215 places, 206 transitions, 440 flow [2021-12-16 02:41:54,509 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} [2021-12-16 02:41:54,510 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 2 predicate places. [2021-12-16 02:41:54,510 INFO L470 AbstractCegarLoop]: Abstraction has has 215 places, 206 transitions, 440 flow [2021-12-16 02:41:54,511 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) [2021-12-16 02:41:54,511 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:41:54,511 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] [2021-12-16 02:41:54,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 02:41:54,511 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)] === [2021-12-16 02:41:54,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:41:54,512 INFO L85 PathProgramCache]: Analyzing trace with hash -933293975, now seen corresponding path program 1 times [2021-12-16 02:41:54,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:41:54,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857128287] [2021-12-16 02:41:54,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:41:54,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:41:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:41:54,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:54,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:41:54,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857128287] [2021-12-16 02:41:54,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857128287] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:41:54,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:41:54,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 02:41:54,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370164592] [2021-12-16 02:41:54,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:41:54,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:41:54,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:41:54,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:41:54,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:41:54,567 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 231 [2021-12-16 02:41:54,567 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) [2021-12-16 02:41:54,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:41:54,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 231 [2021-12-16 02:41:54,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:41:54,616 INFO L129 PetriNetUnfolder]: 16/307 cut-off events. [2021-12-16 02:41:54,616 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-16 02:41:54,616 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. [2021-12-16 02:41:54,617 INFO L132 encePairwiseOnDemand]: 227/231 looper letters, 7 selfloop transitions, 2 changer transitions 5/209 dead transitions. [2021-12-16 02:41:54,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 209 transitions, 473 flow [2021-12-16 02:41:54,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:41:54,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:41:54,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2021-12-16 02:41:54,619 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9451659451659452 [2021-12-16 02:41:54,619 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 655 transitions. [2021-12-16 02:41:54,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 655 transitions. [2021-12-16 02:41:54,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:41:54,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 655 transitions. [2021-12-16 02:41:54,621 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) [2021-12-16 02:41:54,622 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) [2021-12-16 02:41:54,622 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) [2021-12-16 02:41:54,622 INFO L186 Difference]: Start difference. First operand has 215 places, 206 transitions, 440 flow. Second operand 3 states and 655 transitions. [2021-12-16 02:41:54,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 209 transitions, 473 flow [2021-12-16 02:41:54,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 209 transitions, 450 flow, removed 0 selfloop flow, removed 11 redundant places. [2021-12-16 02:41:54,626 INFO L242 Difference]: Finished difference. Result has 207 places, 203 transitions, 419 flow [2021-12-16 02:41:54,626 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} [2021-12-16 02:41:54,627 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -6 predicate places. [2021-12-16 02:41:54,627 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 203 transitions, 419 flow [2021-12-16 02:41:54,627 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) [2021-12-16 02:41:54,627 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:41:54,628 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] [2021-12-16 02:41:54,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 02:41:54,628 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)] === [2021-12-16 02:41:54,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:41:54,628 INFO L85 PathProgramCache]: Analyzing trace with hash 464408434, now seen corresponding path program 1 times [2021-12-16 02:41:54,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:41:54,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94418640] [2021-12-16 02:41:54,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:41:54,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:41:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:41:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:54,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:41:54,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94418640] [2021-12-16 02:41:54,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94418640] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:41:54,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:41:54,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 02:41:54,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079635812] [2021-12-16 02:41:54,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:41:54,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:41:54,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:41:54,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:41:54,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:41:54,674 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 231 [2021-12-16 02:41:54,675 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) [2021-12-16 02:41:54,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:41:54,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 231 [2021-12-16 02:41:54,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:41:54,711 INFO L129 PetriNetUnfolder]: 20/336 cut-off events. [2021-12-16 02:41:54,711 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-16 02:41:54,712 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. [2021-12-16 02:41:54,713 INFO L132 encePairwiseOnDemand]: 228/231 looper letters, 13 selfloop transitions, 2 changer transitions 1/208 dead transitions. [2021-12-16 02:41:54,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 208 transitions, 461 flow [2021-12-16 02:41:54,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:41:54,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:41:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2021-12-16 02:41:54,715 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9451659451659452 [2021-12-16 02:41:54,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 655 transitions. [2021-12-16 02:41:54,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 655 transitions. [2021-12-16 02:41:54,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:41:54,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 655 transitions. [2021-12-16 02:41:54,716 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) [2021-12-16 02:41:54,717 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) [2021-12-16 02:41:54,718 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) [2021-12-16 02:41:54,718 INFO L186 Difference]: Start difference. First operand has 207 places, 203 transitions, 419 flow. Second operand 3 states and 655 transitions. [2021-12-16 02:41:54,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 208 transitions, 461 flow [2021-12-16 02:41:54,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 208 transitions, 457 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-16 02:41:54,721 INFO L242 Difference]: Finished difference. Result has 207 places, 203 transitions, 425 flow [2021-12-16 02:41:54,721 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} [2021-12-16 02:41:54,722 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -6 predicate places. [2021-12-16 02:41:54,722 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 203 transitions, 425 flow [2021-12-16 02:41:54,722 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) [2021-12-16 02:41:54,723 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:41:54,723 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] [2021-12-16 02:41:54,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 02:41:54,723 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)] === [2021-12-16 02:41:54,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:41:54,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1789731816, now seen corresponding path program 1 times [2021-12-16 02:41:54,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:41:54,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132514442] [2021-12-16 02:41:54,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:41:54,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:41:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:41:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:54,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:41:54,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132514442] [2021-12-16 02:41:54,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132514442] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:41:54,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951948757] [2021-12-16 02:41:54,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:41:54,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:41:54,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:41:54,839 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) [2021-12-16 02:41:54,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 02:41:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:41:54,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 02:41:54,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:41:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:55,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:41:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:55,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951948757] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:41:55,377 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:41:55,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-16 02:41:55,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480719076] [2021-12-16 02:41:55,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:41:55,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 02:41:55,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:41:55,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 02:41:55,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-16 02:41:55,380 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-16 02:41:55,381 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) [2021-12-16 02:41:55,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:41:55,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-16 02:41:55,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:41:55,468 INFO L129 PetriNetUnfolder]: 30/423 cut-off events. [2021-12-16 02:41:55,468 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-16 02:41:55,469 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. [2021-12-16 02:41:55,470 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 20 selfloop transitions, 9 changer transitions 0/220 dead transitions. [2021-12-16 02:41:55,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 220 transitions, 533 flow [2021-12-16 02:41:55,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:41:55,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:41:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1939 transitions. [2021-12-16 02:41:55,491 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9326599326599326 [2021-12-16 02:41:55,491 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1939 transitions. [2021-12-16 02:41:55,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1939 transitions. [2021-12-16 02:41:55,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:41:55,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1939 transitions. [2021-12-16 02:41:55,494 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) [2021-12-16 02:41:55,497 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) [2021-12-16 02:41:55,497 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) [2021-12-16 02:41:55,497 INFO L186 Difference]: Start difference. First operand has 207 places, 203 transitions, 425 flow. Second operand 9 states and 1939 transitions. [2021-12-16 02:41:55,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 220 transitions, 533 flow [2021-12-16 02:41:55,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 220 transitions, 531 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-16 02:41:55,501 INFO L242 Difference]: Finished difference. Result has 216 places, 209 transitions, 473 flow [2021-12-16 02:41:55,502 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} [2021-12-16 02:41:55,502 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 3 predicate places. [2021-12-16 02:41:55,512 INFO L470 AbstractCegarLoop]: Abstraction has has 216 places, 209 transitions, 473 flow [2021-12-16 02:41:55,514 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) [2021-12-16 02:41:55,514 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:41:55,514 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] [2021-12-16 02:41:55,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 02:41:55,731 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 [2021-12-16 02:41:55,732 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)] === [2021-12-16 02:41:55,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:41:55,733 INFO L85 PathProgramCache]: Analyzing trace with hash -146638564, now seen corresponding path program 2 times [2021-12-16 02:41:55,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:41:55,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554778323] [2021-12-16 02:41:55,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:41:55,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:41:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:41:55,797 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-16 02:41:55,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:41:55,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554778323] [2021-12-16 02:41:55,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554778323] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:41:55,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:41:55,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 02:41:55,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099447879] [2021-12-16 02:41:55,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:41:55,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:41:55,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:41:55,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:41:55,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:41:55,813 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 231 [2021-12-16 02:41:55,814 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) [2021-12-16 02:41:55,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:41:55,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 231 [2021-12-16 02:41:55,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:41:55,882 INFO L129 PetriNetUnfolder]: 25/611 cut-off events. [2021-12-16 02:41:55,882 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-12-16 02:41:55,884 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. [2021-12-16 02:41:55,885 INFO L132 encePairwiseOnDemand]: 227/231 looper letters, 12 selfloop transitions, 3 changer transitions 3/211 dead transitions. [2021-12-16 02:41:55,885 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 211 transitions, 512 flow [2021-12-16 02:41:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:41:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:41:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 645 transitions. [2021-12-16 02:41:55,886 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9307359307359307 [2021-12-16 02:41:55,887 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 645 transitions. [2021-12-16 02:41:55,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 645 transitions. [2021-12-16 02:41:55,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:41:55,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 645 transitions. [2021-12-16 02:41:55,888 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) [2021-12-16 02:41:55,889 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) [2021-12-16 02:41:55,889 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) [2021-12-16 02:41:55,889 INFO L186 Difference]: Start difference. First operand has 216 places, 209 transitions, 473 flow. Second operand 3 states and 645 transitions. [2021-12-16 02:41:55,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 211 transitions, 512 flow [2021-12-16 02:41:55,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 211 transitions, 506 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-16 02:41:55,893 INFO L242 Difference]: Finished difference. Result has 217 places, 206 transitions, 467 flow [2021-12-16 02:41:55,894 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} [2021-12-16 02:41:55,894 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 4 predicate places. [2021-12-16 02:41:55,894 INFO L470 AbstractCegarLoop]: Abstraction has has 217 places, 206 transitions, 467 flow [2021-12-16 02:41:55,895 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) [2021-12-16 02:41:55,895 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:41:55,895 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] [2021-12-16 02:41:55,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 02:41:55,895 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)] === [2021-12-16 02:41:55,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:41:55,896 INFO L85 PathProgramCache]: Analyzing trace with hash -733343356, now seen corresponding path program 1 times [2021-12-16 02:41:55,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:41:55,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745790167] [2021-12-16 02:41:55,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:41:55,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:41:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:41:55,979 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:55,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:41:55,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745790167] [2021-12-16 02:41:55,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745790167] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:41:55,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126919627] [2021-12-16 02:41:55,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:41:55,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:41:55,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:41:55,982 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) [2021-12-16 02:41:56,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 02:41:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:41:56,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 02:41:56,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:41:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:56,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:41:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:56,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126919627] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:41:56,835 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:41:56,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-12-16 02:41:56,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341211528] [2021-12-16 02:41:56,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:41:56,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-16 02:41:56,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:41:56,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-16 02:41:56,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-12-16 02:41:56,838 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-16 02:41:56,841 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) [2021-12-16 02:41:56,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:41:56,842 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-16 02:41:56,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:41:57,075 INFO L129 PetriNetUnfolder]: 58/747 cut-off events. [2021-12-16 02:41:57,076 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2021-12-16 02:41:57,077 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. [2021-12-16 02:41:57,079 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 40 selfloop transitions, 21 changer transitions 1/249 dead transitions. [2021-12-16 02:41:57,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 249 transitions, 765 flow [2021-12-16 02:41:57,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-16 02:41:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-16 02:41:57,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 4517 transitions. [2021-12-16 02:41:57,086 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9311482168625026 [2021-12-16 02:41:57,086 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 4517 transitions. [2021-12-16 02:41:57,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 4517 transitions. [2021-12-16 02:41:57,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:41:57,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 4517 transitions. [2021-12-16 02:41:57,095 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) [2021-12-16 02:41:57,102 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) [2021-12-16 02:41:57,103 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) [2021-12-16 02:41:57,103 INFO L186 Difference]: Start difference. First operand has 217 places, 206 transitions, 467 flow. Second operand 21 states and 4517 transitions. [2021-12-16 02:41:57,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 249 transitions, 765 flow [2021-12-16 02:41:57,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 249 transitions, 762 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-16 02:41:57,110 INFO L242 Difference]: Finished difference. Result has 238 places, 218 transitions, 592 flow [2021-12-16 02:41:57,110 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} [2021-12-16 02:41:57,111 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 25 predicate places. [2021-12-16 02:41:57,111 INFO L470 AbstractCegarLoop]: Abstraction has has 238 places, 218 transitions, 592 flow [2021-12-16 02:41:57,113 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) [2021-12-16 02:41:57,113 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:41:57,113 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] [2021-12-16 02:41:57,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-16 02:41:57,330 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 [2021-12-16 02:41:57,331 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)] === [2021-12-16 02:41:57,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:41:57,331 INFO L85 PathProgramCache]: Analyzing trace with hash 2142412128, now seen corresponding path program 2 times [2021-12-16 02:41:57,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:41:57,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922688881] [2021-12-16 02:41:57,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:41:57,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:41:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:41:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:57,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:41:57,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922688881] [2021-12-16 02:41:57,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922688881] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:41:57,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669479157] [2021-12-16 02:41:57,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 02:41:57,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:41:57,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:41:57,576 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) [2021-12-16 02:41:57,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-16 02:41:57,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-16 02:41:57,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-16 02:41:57,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-16 02:41:57,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:41:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:58,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:41:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:41:58,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669479157] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:41:58,898 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:41:58,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2021-12-16 02:41:58,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689822397] [2021-12-16 02:41:58,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:41:58,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-16 02:41:58,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:41:58,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-16 02:41:58,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2021-12-16 02:41:58,905 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-16 02:41:58,919 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) [2021-12-16 02:41:58,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:41:58,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-16 02:41:58,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:41:59,564 INFO L129 PetriNetUnfolder]: 114/1393 cut-off events. [2021-12-16 02:41:59,565 INFO L130 PetriNetUnfolder]: For 465/465 co-relation queries the response was YES. [2021-12-16 02:41:59,568 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. [2021-12-16 02:41:59,570 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 80 selfloop transitions, 45 changer transitions 0/312 dead transitions. [2021-12-16 02:41:59,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 312 transitions, 1330 flow [2021-12-16 02:41:59,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-16 02:41:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-12-16 02:41:59,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 9673 transitions. [2021-12-16 02:41:59,583 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9305435305435306 [2021-12-16 02:41:59,583 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 9673 transitions. [2021-12-16 02:41:59,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 9673 transitions. [2021-12-16 02:41:59,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:41:59,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 9673 transitions. [2021-12-16 02:41:59,598 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) [2021-12-16 02:41:59,610 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) [2021-12-16 02:41:59,612 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) [2021-12-16 02:41:59,612 INFO L186 Difference]: Start difference. First operand has 238 places, 218 transitions, 592 flow. Second operand 45 states and 9673 transitions. [2021-12-16 02:41:59,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 312 transitions, 1330 flow [2021-12-16 02:41:59,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 312 transitions, 1290 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-12-16 02:41:59,618 INFO L242 Difference]: Finished difference. Result has 284 places, 243 transitions, 870 flow [2021-12-16 02:41:59,618 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} [2021-12-16 02:41:59,619 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 71 predicate places. [2021-12-16 02:41:59,619 INFO L470 AbstractCegarLoop]: Abstraction has has 284 places, 243 transitions, 870 flow [2021-12-16 02:41:59,620 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) [2021-12-16 02:41:59,620 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:41:59,621 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] [2021-12-16 02:41:59,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-16 02:41:59,838 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 [2021-12-16 02:41:59,839 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)] === [2021-12-16 02:41:59,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:41:59,839 INFO L85 PathProgramCache]: Analyzing trace with hash 681727648, now seen corresponding path program 3 times [2021-12-16 02:41:59,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:41:59,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812938475] [2021-12-16 02:41:59,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:41:59,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:41:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:42:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 0 proven. 3270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:42:00,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:42:00,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812938475] [2021-12-16 02:42:00,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812938475] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:42:00,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473402944] [2021-12-16 02:42:00,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-16 02:42:00,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:42:00,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:42:00,414 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) [2021-12-16 02:42:00,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-16 02:42:00,627 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-16 02:42:00,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-16 02:42:00,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-16 02:42:00,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:42:02,491 INFO L388 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 [2021-12-16 02:42:02,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 02:42:02,557 INFO L388 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 [2021-12-16 02:42:02,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-16 02:42:02,764 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-16 02:42:02,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-12-16 02:42:02,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 02:42:02,808 INFO L388 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 [2021-12-16 02:42:02,837 INFO L388 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 [2021-12-16 02:42:02,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 455 proven. 319 refuted. 0 times theorem prover too weak. 2496 trivial. 0 not checked. [2021-12-16 02:42:02,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:42:11,299 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 [2021-12-16 02:42:11,333 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-16 02:42:11,334 INFO L388 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 [2021-12-16 02:42:11,341 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-16 02:42:11,341 INFO L388 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 35 treesize of output 38 [2021-12-16 02:42:11,353 INFO L388 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 [2021-12-16 02:42:12,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 377 proven. 319 refuted. 0 times theorem prover too weak. 2496 trivial. 78 not checked. [2021-12-16 02:42:12,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473402944] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:42:12,613 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:42:12,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 14, 12] total 55 [2021-12-16 02:42:12,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354646769] [2021-12-16 02:42:12,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:42:12,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-12-16 02:42:12,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:42:12,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-12-16 02:42:12,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=2489, Unknown=1, NotChecked=104, Total=2970 [2021-12-16 02:42:12,619 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 231 [2021-12-16 02:42:12,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 243 transitions, 870 flow. Second operand has 55 states, 55 states have (on average 166.74545454545455) internal successors, (9171), 55 states have internal predecessors, (9171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:42:12,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:42:12,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 231 [2021-12-16 02:42:12,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:42:22,012 INFO L129 PetriNetUnfolder]: 2125/7558 cut-off events. [2021-12-16 02:42:22,012 INFO L130 PetriNetUnfolder]: For 2828/2828 co-relation queries the response was YES. [2021-12-16 02:42:22,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15819 conditions, 7558 events. 2125/7558 cut-off events. For 2828/2828 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 39994 event pairs, 31 based on Foata normal form. 8/7466 useless extension candidates. Maximal degree in co-relation 15796. Up to 687 conditions per place. [2021-12-16 02:42:22,053 INFO L132 encePairwiseOnDemand]: 208/231 looper letters, 871 selfloop transitions, 374 changer transitions 0/1379 dead transitions. [2021-12-16 02:42:22,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 1379 transitions, 6634 flow [2021-12-16 02:42:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2021-12-16 02:42:22,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2021-12-16 02:42:22,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 30535 transitions. [2021-12-16 02:42:22,088 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7184029738377564 [2021-12-16 02:42:22,089 INFO L72 ComplementDD]: Start complementDD. Operand 184 states and 30535 transitions. [2021-12-16 02:42:22,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 184 states and 30535 transitions. [2021-12-16 02:42:22,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:42:22,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 184 states and 30535 transitions. [2021-12-16 02:42:22,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 185 states, 184 states have (on average 165.95108695652175) internal successors, (30535), 184 states have internal predecessors, (30535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:42:22,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 185 states, 185 states have (on average 231.0) internal successors, (42735), 185 states have internal predecessors, (42735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:42:22,233 INFO L81 ComplementDD]: Finished complementDD. Result has 185 states, 185 states have (on average 231.0) internal successors, (42735), 185 states have internal predecessors, (42735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:42:22,233 INFO L186 Difference]: Start difference. First operand has 284 places, 243 transitions, 870 flow. Second operand 184 states and 30535 transitions. [2021-12-16 02:42:22,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 1379 transitions, 6634 flow [2021-12-16 02:42:22,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 1379 transitions, 6519 flow, removed 22 selfloop flow, removed 18 redundant places. [2021-12-16 02:42:22,260 INFO L242 Difference]: Finished difference. Result has 518 places, 648 transitions, 3386 flow [2021-12-16 02:42:22,261 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=184, PETRI_FLOW=3386, PETRI_PLACES=518, PETRI_TRANSITIONS=648} [2021-12-16 02:42:22,262 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 305 predicate places. [2021-12-16 02:42:22,262 INFO L470 AbstractCegarLoop]: Abstraction has has 518 places, 648 transitions, 3386 flow [2021-12-16 02:42:22,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 166.74545454545455) internal successors, (9171), 55 states have internal predecessors, (9171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:42:22,264 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:42:22,265 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] [2021-12-16 02:42:22,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-16 02:42:22,482 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 [2021-12-16 02:42:22,483 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)] === [2021-12-16 02:42:22,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:42:22,484 INFO L85 PathProgramCache]: Analyzing trace with hash 666353607, now seen corresponding path program 1 times [2021-12-16 02:42:22,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:42:22,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810629036] [2021-12-16 02:42:22,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:42:22,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:42:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:42:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3694 backedges. 0 proven. 3694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:42:23,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:42:23,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810629036] [2021-12-16 02:42:23,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810629036] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:42:23,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433211160] [2021-12-16 02:42:23,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:42:23,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:42:23,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:42:23,163 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) [2021-12-16 02:42:23,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-16 02:42:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:42:23,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 34 conjunts are in the unsatisfiable core [2021-12-16 02:42:23,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:42:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3694 backedges. 0 proven. 3694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:42:24,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:42:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3694 backedges. 0 proven. 3694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:42:26,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433211160] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:42:26,024 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:42:26,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 70 [2021-12-16 02:42:26,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969446621] [2021-12-16 02:42:26,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:42:26,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-12-16 02:42:26,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:42:26,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-12-16 02:42:26,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1260, Invalid=3570, Unknown=0, NotChecked=0, Total=4830 [2021-12-16 02:42:26,034 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-16 02:42:26,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 648 transitions, 3386 flow. Second operand has 70 states, 70 states have (on average 214.4857142857143) internal successors, (15014), 70 states have internal predecessors, (15014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:42:26,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:42:26,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-16 02:42:26,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:42:30,962 INFO L129 PetriNetUnfolder]: 927/8255 cut-off events. [2021-12-16 02:42:30,962 INFO L130 PetriNetUnfolder]: For 115970/115970 co-relation queries the response was YES. [2021-12-16 02:42:31,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26432 conditions, 8255 events. 927/8255 cut-off events. For 115970/115970 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 37419 event pairs, 7 based on Foata normal form. 102/8349 useless extension candidates. Maximal degree in co-relation 26339. Up to 590 conditions per place. [2021-12-16 02:42:31,042 INFO L132 encePairwiseOnDemand]: 225/231 looper letters, 170 selfloop transitions, 162 changer transitions 0/873 dead transitions. [2021-12-16 02:42:31,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 873 transitions, 5722 flow [2021-12-16 02:42:31,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-12-16 02:42:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-12-16 02:42:31,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 21274 transitions. [2021-12-16 02:42:31,066 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9302549302549302 [2021-12-16 02:42:31,066 INFO L72 ComplementDD]: Start complementDD. Operand 99 states and 21274 transitions. [2021-12-16 02:42:31,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 21274 transitions. [2021-12-16 02:42:31,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:42:31,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 99 states and 21274 transitions. [2021-12-16 02:42:31,112 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) [2021-12-16 02:42:31,127 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) [2021-12-16 02:42:31,130 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) [2021-12-16 02:42:31,130 INFO L186 Difference]: Start difference. First operand has 518 places, 648 transitions, 3386 flow. Second operand 99 states and 21274 transitions. [2021-12-16 02:42:31,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 873 transitions, 5722 flow [2021-12-16 02:42:31,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 873 transitions, 5536 flow, removed 4 selfloop flow, removed 48 redundant places. [2021-12-16 02:42:31,431 INFO L242 Difference]: Finished difference. Result has 586 places, 715 transitions, 4470 flow [2021-12-16 02:42:31,432 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=3200, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=648, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=99, PETRI_FLOW=4470, PETRI_PLACES=586, PETRI_TRANSITIONS=715} [2021-12-16 02:42:31,433 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, 373 predicate places. [2021-12-16 02:42:31,433 INFO L470 AbstractCegarLoop]: Abstraction has has 586 places, 715 transitions, 4470 flow [2021-12-16 02:42:31,435 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) [2021-12-16 02:42:31,435 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:42:31,435 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] [2021-12-16 02:42:31,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-16 02:42:31,652 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 [2021-12-16 02:42:31,653 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)] === [2021-12-16 02:42:31,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:42:31,654 INFO L85 PathProgramCache]: Analyzing trace with hash 2115049742, now seen corresponding path program 2 times [2021-12-16 02:42:31,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:42:31,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635667510] [2021-12-16 02:42:31,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:42:31,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:42:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:42:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16337 backedges. 0 proven. 16337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:42:33,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:42:33,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635667510] [2021-12-16 02:42:33,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635667510] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:42:33,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932278310] [2021-12-16 02:42:33,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 02:42:33,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:42:33,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:42:33,399 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) [2021-12-16 02:42:33,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-16 02:42:33,834 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-16 02:42:33,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-16 02:42:33,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 68 conjunts are in the unsatisfiable core [2021-12-16 02:42:33,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:42:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 16337 backedges. 0 proven. 16337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:42:35,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:42:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 16337 backedges. 0 proven. 16337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:42:38,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932278310] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:42:38,855 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:42:38,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 138 [2021-12-16 02:42:38,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017560330] [2021-12-16 02:42:38,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:42:38,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2021-12-16 02:42:38,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:42:38,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2021-12-16 02:42:38,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4830, Invalid=14076, Unknown=0, NotChecked=0, Total=18906 [2021-12-16 02:42:38,878 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 231 [2021-12-16 02:42:38,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 715 transitions, 4470 flow. Second operand has 138 states, 138 states have (on average 214.47826086956522) internal successors, (29598), 138 states have internal predecessors, (29598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:42:38,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:42:38,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 231 [2021-12-16 02:42:38,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand