./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_19-callback_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_19-callback_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0 --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 a178b12ba1b75e8e390c539a1b1599b5e56cbe73098e0c8e7ca0eeb62a619e80 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:19:03,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:19:03,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:19:03,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:19:03,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:19:03,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:19:03,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:19:03,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:19:03,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:19:03,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:19:03,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:19:03,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:19:03,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:19:03,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:19:03,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:19:03,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:19:03,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:19:03,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:19:03,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:19:03,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:19:03,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:19:03,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:19:03,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:19:03,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:19:03,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:19:03,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:19:03,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:19:03,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:19:03,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:19:03,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:19:03,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:19:03,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:19:03,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:19:03,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:19:03,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:19:03,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:19:03,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:19:03,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:19:03,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:19:03,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:19:03,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:19:03,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:19:03,488 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:19:03,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:19:03,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:19:03,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:19:03,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:19:03,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:19:03,494 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:19:03,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:19:03,495 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:19:03,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:19:03,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:19:03,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:19:03,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:19:03,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:19:03,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:19:03,498 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:19:03,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:19:03,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:19:03,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:19:03,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:19:03,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:19:03,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:19:03,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:19:03,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:19:03,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:19:03,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:19:03,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:19:03,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:19:03,501 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:19:03,502 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:19:03,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:19:03,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:19:03,503 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a178b12ba1b75e8e390c539a1b1599b5e56cbe73098e0c8e7ca0eeb62a619e80 [2021-11-22 15:19:03,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:19:03,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:19:03,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:19:03,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:19:03,910 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:19:03,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/goblint-regression/28-race_reach_19-callback_racing.i [2021-11-22 15:19:03,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/data/f0d50ffe9/ba3672fa0b0045eb8f48b09cb48c2b46/FLAGdd4dc4273 [2021-11-22 15:19:04,689 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:19:04,689 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/sv-benchmarks/c/goblint-regression/28-race_reach_19-callback_racing.i [2021-11-22 15:19:04,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/data/f0d50ffe9/ba3672fa0b0045eb8f48b09cb48c2b46/FLAGdd4dc4273 [2021-11-22 15:19:04,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/data/f0d50ffe9/ba3672fa0b0045eb8f48b09cb48c2b46 [2021-11-22 15:19:04,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:19:04,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:19:04,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:19:04,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:19:04,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:19:04,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:19:04" (1/1) ... [2021-11-22 15:19:04,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a980e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:04, skipping insertion in model container [2021-11-22 15:19:04,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:19:04" (1/1) ... [2021-11-22 15:19:04,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:19:04,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:19:05,329 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/sv-benchmarks/c/goblint-regression/28-race_reach_19-callback_racing.i[30212,30225] [2021-11-22 15:19:05,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:19:05,377 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:19:05,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/sv-benchmarks/c/goblint-regression/28-race_reach_19-callback_racing.i[30212,30225] [2021-11-22 15:19:05,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:19:05,518 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:19:05,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05 WrapperNode [2021-11-22 15:19:05,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:19:05,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:19:05,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:19:05,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:19:05,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05" (1/1) ... [2021-11-22 15:19:05,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05" (1/1) ... [2021-11-22 15:19:05,575 INFO L137 Inliner]: procedures = 173, calls = 39, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 133 [2021-11-22 15:19:05,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:19:05,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:19:05,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:19:05,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:19:05,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05" (1/1) ... [2021-11-22 15:19:05,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05" (1/1) ... [2021-11-22 15:19:05,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05" (1/1) ... [2021-11-22 15:19:05,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05" (1/1) ... [2021-11-22 15:19:05,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05" (1/1) ... [2021-11-22 15:19:05,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05" (1/1) ... [2021-11-22 15:19:05,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05" (1/1) ... [2021-11-22 15:19:05,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:19:05,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:19:05,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:19:05,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:19:05,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05" (1/1) ... [2021-11-22 15:19:05,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:19:05,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:19:05,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:19:05,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:19:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:19:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:19:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-22 15:19:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:19:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:19:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-22 15:19:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-22 15:19:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:19:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:19:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:19:05,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:19:05,741 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 15:19:05,933 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:19:05,936 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:19:06,210 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:19:06,220 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:19:06,221 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-22 15:19:06,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:19:06 BoogieIcfgContainer [2021-11-22 15:19:06,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:19:06,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:19:06,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:19:06,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:19:06,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:19:04" (1/3) ... [2021-11-22 15:19:06,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440d83f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:19:06, skipping insertion in model container [2021-11-22 15:19:06,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:05" (2/3) ... [2021-11-22 15:19:06,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440d83f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:19:06, skipping insertion in model container [2021-11-22 15:19:06,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:19:06" (3/3) ... [2021-11-22 15:19:06,241 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_19-callback_racing.i [2021-11-22 15:19:06,247 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 15:19:06,248 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:19:06,248 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 15:19:06,248 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 15:19:06,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:06,322 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-22 15:19:06,426 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:19:06,434 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 [2021-11-22 15:19:06,434 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-22 15:19:06,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 146 transitions, 300 flow [2021-11-22 15:19:06,560 INFO L129 PetriNetUnfolder]: 26/222 cut-off events. [2021-11-22 15:19:06,561 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-22 15:19:06,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 222 events. 26/222 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 579 event pairs, 0 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 112. Up to 6 conditions per place. [2021-11-22 15:19:06,569 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 146 transitions, 300 flow [2021-11-22 15:19:06,578 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 141 transitions, 287 flow [2021-11-22 15:19:06,616 INFO L129 PetriNetUnfolder]: 5/105 cut-off events. [2021-11-22 15:19:06,617 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-22 15:19:06,617 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:06,618 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:06,619 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:19:06,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:06,626 INFO L85 PathProgramCache]: Analyzing trace with hash 150697490, now seen corresponding path program 1 times [2021-11-22 15:19:06,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:06,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661117371] [2021-11-22 15:19:06,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:06,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:19:06,809 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:19:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:19:06,968 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:19:06,971 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 15:19:06,972 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2021-11-22 15:19:06,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-22 15:19:06,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-22 15:19:06,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:19:06,982 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-22 15:19:06,984 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-22 15:19:06,985 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-22 15:19:07,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:07,042 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-22 15:19:07,047 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:19:07,049 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 [2021-11-22 15:19:07,049 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-22 15:19:07,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 156 places, 170 transitions, 358 flow [2021-11-22 15:19:07,149 INFO L129 PetriNetUnfolder]: 43/347 cut-off events. [2021-11-22 15:19:07,150 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-22 15:19:07,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 347 events. 43/347 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1231 event pairs, 0 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 224. Up to 9 conditions per place. [2021-11-22 15:19:07,162 INFO L82 GeneralOperation]: Start removeDead. Operand has 156 places, 170 transitions, 358 flow [2021-11-22 15:19:07,175 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 156 places, 170 transitions, 358 flow [2021-11-22 15:19:07,219 INFO L129 PetriNetUnfolder]: 7/115 cut-off events. [2021-11-22 15:19:07,220 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-22 15:19:07,220 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:07,220 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] [2021-11-22 15:19:07,221 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:19:07,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:07,223 INFO L85 PathProgramCache]: Analyzing trace with hash -845533704, now seen corresponding path program 1 times [2021-11-22 15:19:07,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:07,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472030667] [2021-11-22 15:19:07,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:07,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:07,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:07,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472030667] [2021-11-22 15:19:07,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472030667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:07,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:07,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:19:07,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602211069] [2021-11-22 15:19:07,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:07,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:19:07,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:07,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:19:07,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:19:07,698 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 170 [2021-11-22 15:19:07,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 170 transitions, 358 flow. Second operand has 5 states, 5 states have (on average 139.2) internal successors, (696), 5 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:07,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:07,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 170 [2021-11-22 15:19:07,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:08,413 INFO L129 PetriNetUnfolder]: 220/1706 cut-off events. [2021-11-22 15:19:08,414 INFO L130 PetriNetUnfolder]: For 126/148 co-relation queries the response was YES. [2021-11-22 15:19:08,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2131 conditions, 1706 events. 220/1706 cut-off events. For 126/148 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12708 event pairs, 41 based on Foata normal form. 489/2084 useless extension candidates. Maximal degree in co-relation 1258. Up to 146 conditions per place. [2021-11-22 15:19:08,436 INFO L132 encePairwiseOnDemand]: 149/170 looper letters, 43 selfloop transitions, 8 changer transitions 5/194 dead transitions. [2021-11-22 15:19:08,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 194 transitions, 552 flow [2021-11-22 15:19:08,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 15:19:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-22 15:19:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1236 transitions. [2021-11-22 15:19:08,467 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9088235294117647 [2021-11-22 15:19:08,468 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1236 transitions. [2021-11-22 15:19:08,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1236 transitions. [2021-11-22 15:19:08,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:08,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1236 transitions. [2021-11-22 15:19:08,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 154.5) internal successors, (1236), 8 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:08,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 170.0) internal successors, (1530), 9 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:08,507 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 170.0) internal successors, (1530), 9 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:08,510 INFO L186 Difference]: Start difference. First operand has 156 places, 170 transitions, 358 flow. Second operand 8 states and 1236 transitions. [2021-11-22 15:19:08,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 194 transitions, 552 flow [2021-11-22 15:19:08,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 194 transitions, 552 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 15:19:08,527 INFO L242 Difference]: Finished difference. Result has 166 places, 160 transitions, 383 flow [2021-11-22 15:19:08,531 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=383, PETRI_PLACES=166, PETRI_TRANSITIONS=160} [2021-11-22 15:19:08,538 INFO L334 CegarLoopForPetriNet]: 156 programPoint places, 10 predicate places. [2021-11-22 15:19:08,541 INFO L470 AbstractCegarLoop]: Abstraction has has 166 places, 160 transitions, 383 flow [2021-11-22 15:19:08,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 139.2) internal successors, (696), 5 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:08,543 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:08,544 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:08,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:19:08,546 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:19:08,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:08,550 INFO L85 PathProgramCache]: Analyzing trace with hash 357930258, now seen corresponding path program 1 times [2021-11-22 15:19:08,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:08,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719997147] [2021-11-22 15:19:08,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:08,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:19:08,619 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:19:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:19:08,676 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:19:08,677 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 15:19:08,678 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2021-11-22 15:19:08,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-11-22 15:19:08,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-11-22 15:19:08,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-11-22 15:19:08,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:19:08,680 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-22 15:19:08,681 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-22 15:19:08,681 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-11-22 15:19:08,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:08,765 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-22 15:19:08,772 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:19:08,783 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 [2021-11-22 15:19:08,783 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-22 15:19:08,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 194 transitions, 418 flow [2021-11-22 15:19:08,898 INFO L129 PetriNetUnfolder]: 65/505 cut-off events. [2021-11-22 15:19:08,898 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-11-22 15:19:08,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 505 events. 65/505 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2033 event pairs, 1 based on Foata normal form. 0/433 useless extension candidates. Maximal degree in co-relation 355. Up to 16 conditions per place. [2021-11-22 15:19:08,902 INFO L82 GeneralOperation]: Start removeDead. Operand has 178 places, 194 transitions, 418 flow [2021-11-22 15:19:08,908 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 178 places, 194 transitions, 418 flow [2021-11-22 15:19:08,920 INFO L129 PetriNetUnfolder]: 6/113 cut-off events. [2021-11-22 15:19:08,920 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-22 15:19:08,921 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:08,921 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] [2021-11-22 15:19:08,921 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-22 15:19:08,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:08,922 INFO L85 PathProgramCache]: Analyzing trace with hash 612409166, now seen corresponding path program 1 times [2021-11-22 15:19:08,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:08,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379680547] [2021-11-22 15:19:08,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:08,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:09,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:09,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379680547] [2021-11-22 15:19:09,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379680547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:09,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:09,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:19:09,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841659298] [2021-11-22 15:19:09,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:09,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:19:09,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:09,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:19:09,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:19:09,113 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 194 [2021-11-22 15:19:09,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 194 transitions, 418 flow. Second operand has 5 states, 5 states have (on average 156.2) internal successors, (781), 5 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:09,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:09,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 194 [2021-11-22 15:19:09,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:10,261 INFO L129 PetriNetUnfolder]: 749/4353 cut-off events. [2021-11-22 15:19:10,262 INFO L130 PetriNetUnfolder]: For 513/572 co-relation queries the response was YES. [2021-11-22 15:19:10,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5707 conditions, 4353 events. 749/4353 cut-off events. For 513/572 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 40614 event pairs, 117 based on Foata normal form. 1698/5759 useless extension candidates. Maximal degree in co-relation 3172. Up to 425 conditions per place. [2021-11-22 15:19:10,317 INFO L132 encePairwiseOnDemand]: 170/194 looper letters, 65 selfloop transitions, 8 changer transitions 0/228 dead transitions. [2021-11-22 15:19:10,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 228 transitions, 698 flow [2021-11-22 15:19:10,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 15:19:10,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-22 15:19:10,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1410 transitions. [2021-11-22 15:19:10,324 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9085051546391752 [2021-11-22 15:19:10,324 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1410 transitions. [2021-11-22 15:19:10,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1410 transitions. [2021-11-22 15:19:10,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:10,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1410 transitions. [2021-11-22 15:19:10,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 176.25) internal successors, (1410), 8 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:10,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 194.0) internal successors, (1746), 9 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:10,340 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 194.0) internal successors, (1746), 9 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:10,340 INFO L186 Difference]: Start difference. First operand has 178 places, 194 transitions, 418 flow. Second operand 8 states and 1410 transitions. [2021-11-22 15:19:10,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 228 transitions, 698 flow [2021-11-22 15:19:10,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 228 transitions, 698 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 15:19:10,359 INFO L242 Difference]: Finished difference. Result has 187 places, 180 transitions, 435 flow [2021-11-22 15:19:10,359 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=435, PETRI_PLACES=187, PETRI_TRANSITIONS=180} [2021-11-22 15:19:10,361 INFO L334 CegarLoopForPetriNet]: 178 programPoint places, 9 predicate places. [2021-11-22 15:19:10,362 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 180 transitions, 435 flow [2021-11-22 15:19:10,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 156.2) internal successors, (781), 5 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:10,363 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:10,363 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:10,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:19:10,364 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-22 15:19:10,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:10,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1226980834, now seen corresponding path program 1 times [2021-11-22 15:19:10,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:10,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715435178] [2021-11-22 15:19:10,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:10,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 15:19:10,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:10,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715435178] [2021-11-22 15:19:10,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715435178] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:10,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:10,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:19:10,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395110410] [2021-11-22 15:19:10,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:10,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:19:10,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:10,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:19:10,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:19:10,559 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 194 [2021-11-22 15:19:10,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 180 transitions, 435 flow. Second operand has 5 states, 5 states have (on average 156.4) internal successors, (782), 5 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:10,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:10,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 194 [2021-11-22 15:19:10,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:12,511 INFO L129 PetriNetUnfolder]: 1227/7849 cut-off events. [2021-11-22 15:19:12,511 INFO L130 PetriNetUnfolder]: For 2009/2173 co-relation queries the response was YES. [2021-11-22 15:19:12,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11154 conditions, 7849 events. 1227/7849 cut-off events. For 2009/2173 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 85594 event pairs, 348 based on Foata normal form. 25/7327 useless extension candidates. Maximal degree in co-relation 7830. Up to 850 conditions per place. [2021-11-22 15:19:12,624 INFO L132 encePairwiseOnDemand]: 188/194 looper letters, 63 selfloop transitions, 14 changer transitions 0/235 dead transitions. [2021-11-22 15:19:12,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 235 transitions, 809 flow [2021-11-22 15:19:12,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 15:19:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-22 15:19:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1313 transitions. [2021-11-22 15:19:12,631 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8460051546391752 [2021-11-22 15:19:12,631 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1313 transitions. [2021-11-22 15:19:12,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1313 transitions. [2021-11-22 15:19:12,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:12,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1313 transitions. [2021-11-22 15:19:12,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 164.125) internal successors, (1313), 8 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:12,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 194.0) internal successors, (1746), 9 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:12,649 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 194.0) internal successors, (1746), 9 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:12,650 INFO L186 Difference]: Start difference. First operand has 187 places, 180 transitions, 435 flow. Second operand 8 states and 1313 transitions. [2021-11-22 15:19:12,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 235 transitions, 809 flow [2021-11-22 15:19:12,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 235 transitions, 809 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 15:19:12,684 INFO L242 Difference]: Finished difference. Result has 198 places, 190 transitions, 533 flow [2021-11-22 15:19:12,685 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=533, PETRI_PLACES=198, PETRI_TRANSITIONS=190} [2021-11-22 15:19:12,687 INFO L334 CegarLoopForPetriNet]: 178 programPoint places, 20 predicate places. [2021-11-22 15:19:12,688 INFO L470 AbstractCegarLoop]: Abstraction has has 198 places, 190 transitions, 533 flow [2021-11-22 15:19:12,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 156.4) internal successors, (782), 5 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:12,689 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:12,689 INFO L254 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 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] [2021-11-22 15:19:12,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:19:12,690 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-22 15:19:12,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:12,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1926628457, now seen corresponding path program 1 times [2021-11-22 15:19:12,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:12,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021023076] [2021-11-22 15:19:12,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:12,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:19:12,747 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:19:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:19:12,815 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:19:12,816 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 15:19:12,816 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2021-11-22 15:19:12,817 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-11-22 15:19:12,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2021-11-22 15:19:12,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2021-11-22 15:19:12,819 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-11-22 15:19:12,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 15:19:12,820 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-22 15:19:12,820 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-22 15:19:12,820 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-11-22 15:19:12,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:12,934 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-22 15:19:12,936 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:19:12,937 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 [2021-11-22 15:19:12,937 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-22 15:19:12,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 200 places, 218 transitions, 480 flow [2021-11-22 15:19:13,059 INFO L129 PetriNetUnfolder]: 99/731 cut-off events. [2021-11-22 15:19:13,060 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-11-22 15:19:13,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 731 events. 99/731 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3269 event pairs, 6 based on Foata normal form. 0/628 useless extension candidates. Maximal degree in co-relation 525. Up to 32 conditions per place. [2021-11-22 15:19:13,069 INFO L82 GeneralOperation]: Start removeDead. Operand has 200 places, 218 transitions, 480 flow [2021-11-22 15:19:13,077 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 200 places, 218 transitions, 480 flow [2021-11-22 15:19:13,087 INFO L129 PetriNetUnfolder]: 7/114 cut-off events. [2021-11-22 15:19:13,088 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-22 15:19:13,088 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:13,088 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] [2021-11-22 15:19:13,088 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:19:13,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:13,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1855384498, now seen corresponding path program 1 times [2021-11-22 15:19:13,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:13,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437197949] [2021-11-22 15:19:13,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:13,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:13,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:13,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437197949] [2021-11-22 15:19:13,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437197949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:13,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:13,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:19:13,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525031001] [2021-11-22 15:19:13,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:13,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:19:13,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:13,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:19:13,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:19:13,196 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 218 [2021-11-22 15:19:13,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 218 transitions, 480 flow. Second operand has 5 states, 5 states have (on average 173.2) internal successors, (866), 5 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:13,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:13,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 218 [2021-11-22 15:19:13,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:15,874 INFO L129 PetriNetUnfolder]: 2370/11346 cut-off events. [2021-11-22 15:19:15,875 INFO L130 PetriNetUnfolder]: For 2170/2313 co-relation queries the response was YES. [2021-11-22 15:19:15,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15482 conditions, 11346 events. 2370/11346 cut-off events. For 2170/2313 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 125536 event pairs, 385 based on Foata normal form. 5366/15942 useless extension candidates. Maximal degree in co-relation 8560. Up to 1187 conditions per place. [2021-11-22 15:19:16,074 INFO L132 encePairwiseOnDemand]: 191/218 looper letters, 82 selfloop transitions, 8 changer transitions 0/262 dead transitions. [2021-11-22 15:19:16,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 262 transitions, 850 flow [2021-11-22 15:19:16,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 15:19:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-22 15:19:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1584 transitions. [2021-11-22 15:19:16,083 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.908256880733945 [2021-11-22 15:19:16,083 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1584 transitions. [2021-11-22 15:19:16,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1584 transitions. [2021-11-22 15:19:16,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:16,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1584 transitions. [2021-11-22 15:19:16,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 198.0) internal successors, (1584), 8 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:16,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 218.0) internal successors, (1962), 9 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:16,098 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 218.0) internal successors, (1962), 9 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:16,099 INFO L186 Difference]: Start difference. First operand has 200 places, 218 transitions, 480 flow. Second operand 8 states and 1584 transitions. [2021-11-22 15:19:16,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 262 transitions, 850 flow [2021-11-22 15:19:16,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 262 transitions, 850 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 15:19:16,110 INFO L242 Difference]: Finished difference. Result has 208 places, 200 transitions, 489 flow [2021-11-22 15:19:16,111 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=489, PETRI_PLACES=208, PETRI_TRANSITIONS=200} [2021-11-22 15:19:16,114 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 8 predicate places. [2021-11-22 15:19:16,114 INFO L470 AbstractCegarLoop]: Abstraction has has 208 places, 200 transitions, 489 flow [2021-11-22 15:19:16,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 173.2) internal successors, (866), 5 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:16,116 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:16,116 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:16,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 15:19:16,117 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:19:16,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:16,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1616348364, now seen corresponding path program 1 times [2021-11-22 15:19:16,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:16,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891313041] [2021-11-22 15:19:16,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:16,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:16,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 15:19:16,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:16,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891313041] [2021-11-22 15:19:16,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891313041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:16,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:16,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:19:16,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687174497] [2021-11-22 15:19:16,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:16,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:19:16,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:16,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:19:16,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:19:16,446 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 218 [2021-11-22 15:19:16,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 200 transitions, 489 flow. Second operand has 5 states, 5 states have (on average 173.4) internal successors, (867), 5 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:16,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:16,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 218 [2021-11-22 15:19:16,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:20,873 INFO L129 PetriNetUnfolder]: 4080/21139 cut-off events. [2021-11-22 15:19:20,873 INFO L130 PetriNetUnfolder]: For 6168/6587 co-relation queries the response was YES. [2021-11-22 15:19:21,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30703 conditions, 21139 events. 4080/21139 cut-off events. For 6168/6587 co-relation queries the response was YES. Maximal size of possible extension queue 510. Compared 267603 event pairs, 1011 based on Foata normal form. 64/19684 useless extension candidates. Maximal degree in co-relation 21590. Up to 2506 conditions per place. [2021-11-22 15:19:21,197 INFO L132 encePairwiseOnDemand]: 212/218 looper letters, 80 selfloop transitions, 14 changer transitions 0/269 dead transitions. [2021-11-22 15:19:21,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 269 transitions, 961 flow [2021-11-22 15:19:21,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 15:19:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-22 15:19:21,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1466 transitions. [2021-11-22 15:19:21,204 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8405963302752294 [2021-11-22 15:19:21,205 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1466 transitions. [2021-11-22 15:19:21,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1466 transitions. [2021-11-22 15:19:21,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:21,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1466 transitions. [2021-11-22 15:19:21,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 183.25) internal successors, (1466), 8 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:21,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 218.0) internal successors, (1962), 9 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:21,221 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 218.0) internal successors, (1962), 9 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:21,222 INFO L186 Difference]: Start difference. First operand has 208 places, 200 transitions, 489 flow. Second operand 8 states and 1466 transitions. [2021-11-22 15:19:21,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 269 transitions, 961 flow [2021-11-22 15:19:21,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 269 transitions, 961 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 15:19:21,257 INFO L242 Difference]: Finished difference. Result has 219 places, 210 transitions, 587 flow [2021-11-22 15:19:21,258 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=587, PETRI_PLACES=219, PETRI_TRANSITIONS=210} [2021-11-22 15:19:21,260 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 19 predicate places. [2021-11-22 15:19:21,261 INFO L470 AbstractCegarLoop]: Abstraction has has 219 places, 210 transitions, 587 flow [2021-11-22 15:19:21,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 173.4) internal successors, (867), 5 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:21,262 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:21,262 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:21,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 15:19:21,263 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:19:21,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:21,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1324240171, now seen corresponding path program 1 times [2021-11-22 15:19:21,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:21,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391784097] [2021-11-22 15:19:21,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:21,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 15:19:21,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:21,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391784097] [2021-11-22 15:19:21,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391784097] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:21,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:21,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:19:21,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827510534] [2021-11-22 15:19:21,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:21,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:19:21,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:21,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:19:21,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:19:21,433 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 218 [2021-11-22 15:19:21,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 210 transitions, 587 flow. Second operand has 5 states, 5 states have (on average 173.6) internal successors, (868), 5 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:21,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:21,435 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 218 [2021-11-22 15:19:21,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:29,325 INFO L129 PetriNetUnfolder]: 6543/37461 cut-off events. [2021-11-22 15:19:29,326 INFO L130 PetriNetUnfolder]: For 12582/13329 co-relation queries the response was YES. [2021-11-22 15:19:29,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55257 conditions, 37461 events. 6543/37461 cut-off events. For 12582/13329 co-relation queries the response was YES. Maximal size of possible extension queue 1041. Compared 541659 event pairs, 2393 based on Foata normal form. 72/34914 useless extension candidates. Maximal degree in co-relation 40768. Up to 4409 conditions per place. [2021-11-22 15:19:29,850 INFO L132 encePairwiseOnDemand]: 212/218 looper letters, 76 selfloop transitions, 32 changer transitions 2/288 dead transitions. [2021-11-22 15:19:29,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 288 transitions, 1211 flow [2021-11-22 15:19:29,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 15:19:29,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-22 15:19:29,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1464 transitions. [2021-11-22 15:19:29,865 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8394495412844036 [2021-11-22 15:19:29,865 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1464 transitions. [2021-11-22 15:19:29,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1464 transitions. [2021-11-22 15:19:29,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:29,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1464 transitions. [2021-11-22 15:19:29,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 183.0) internal successors, (1464), 8 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:29,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 218.0) internal successors, (1962), 9 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:29,889 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 218.0) internal successors, (1962), 9 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:29,890 INFO L186 Difference]: Start difference. First operand has 219 places, 210 transitions, 587 flow. Second operand 8 states and 1464 transitions. [2021-11-22 15:19:29,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 288 transitions, 1211 flow [2021-11-22 15:19:29,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 288 transitions, 1211 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 15:19:30,003 INFO L242 Difference]: Finished difference. Result has 230 places, 232 transitions, 873 flow [2021-11-22 15:19:30,004 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=873, PETRI_PLACES=230, PETRI_TRANSITIONS=232} [2021-11-22 15:19:30,005 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 30 predicate places. [2021-11-22 15:19:30,006 INFO L470 AbstractCegarLoop]: Abstraction has has 230 places, 232 transitions, 873 flow [2021-11-22 15:19:30,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 173.6) internal successors, (868), 5 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:30,007 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:30,007 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] [2021-11-22 15:19:30,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 15:19:30,008 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:19:30,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:30,008 INFO L85 PathProgramCache]: Analyzing trace with hash -999995501, now seen corresponding path program 1 times [2021-11-22 15:19:30,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:30,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030252782] [2021-11-22 15:19:30,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:30,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:30,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:30,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030252782] [2021-11-22 15:19:30,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030252782] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:19:30,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016511896] [2021-11-22 15:19:30,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:30,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:19:30,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:19:30,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:19:30,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:19:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:30,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 15:19:30,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:19:30,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:30,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:19:30,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:30,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016511896] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:19:30,855 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 15:19:30,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-22 15:19:30,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962056949] [2021-11-22 15:19:30,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 15:19:30,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 15:19:30,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:30,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 15:19:30,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-22 15:19:30,860 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 218 [2021-11-22 15:19:30,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 232 transitions, 873 flow. Second operand has 10 states, 10 states have (on average 179.3) internal successors, (1793), 10 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:30,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:30,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 218 [2021-11-22 15:19:30,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:32,637 INFO L129 PetriNetUnfolder]: 447/7396 cut-off events. [2021-11-22 15:19:32,637 INFO L130 PetriNetUnfolder]: For 2563/2689 co-relation queries the response was YES. [2021-11-22 15:19:32,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9332 conditions, 7396 events. 447/7396 cut-off events. For 2563/2689 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 86980 event pairs, 114 based on Foata normal form. 4/6983 useless extension candidates. Maximal degree in co-relation 6075. Up to 465 conditions per place. [2021-11-22 15:19:32,716 INFO L132 encePairwiseOnDemand]: 212/218 looper letters, 18 selfloop transitions, 9 changer transitions 0/243 dead transitions. [2021-11-22 15:19:32,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 243 transitions, 949 flow [2021-11-22 15:19:32,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 15:19:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-22 15:19:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1623 transitions. [2021-11-22 15:19:32,721 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.827217125382263 [2021-11-22 15:19:32,721 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1623 transitions. [2021-11-22 15:19:32,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1623 transitions. [2021-11-22 15:19:32,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:32,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1623 transitions. [2021-11-22 15:19:32,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 180.33333333333334) internal successors, (1623), 9 states have internal predecessors, (1623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:32,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 218.0) internal successors, (2180), 10 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:32,736 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 218.0) internal successors, (2180), 10 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:32,737 INFO L186 Difference]: Start difference. First operand has 230 places, 232 transitions, 873 flow. Second operand 9 states and 1623 transitions. [2021-11-22 15:19:32,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 243 transitions, 949 flow [2021-11-22 15:19:32,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 243 transitions, 949 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 15:19:32,755 INFO L242 Difference]: Finished difference. Result has 242 places, 239 transitions, 927 flow [2021-11-22 15:19:32,756 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=873, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=927, PETRI_PLACES=242, PETRI_TRANSITIONS=239} [2021-11-22 15:19:32,757 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 42 predicate places. [2021-11-22 15:19:32,757 INFO L470 AbstractCegarLoop]: Abstraction has has 242 places, 239 transitions, 927 flow [2021-11-22 15:19:32,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 179.3) internal successors, (1793), 10 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:32,759 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:32,759 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:32,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:19:32,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7944c40-e490-4d66-8ef1-f50cdf634a59/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:19:32,976 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 15:19:32,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:32,976 INFO L85 PathProgramCache]: Analyzing trace with hash 725009633, now seen corresponding path program 1 times [2021-11-22 15:19:32,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:32,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503271402] [2021-11-22 15:19:32,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:32,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:19:33,008 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:19:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:19:33,066 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:19:33,072 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 15:19:33,073 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 6 remaining) [2021-11-22 15:19:33,073 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-22 15:19:33,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2021-11-22 15:19:33,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-11-22 15:19:33,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-11-22 15:19:33,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-22 15:19:33,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 15:19:33,075 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-22 15:19:33,075 WARN L234 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-22 15:19:33,076 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-11-22 15:19:33,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,153 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,153 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,153 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,153 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,154 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,154 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,154 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,154 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,155 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,156 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,156 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,156 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,156 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,156 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,157 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,157 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,157 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,159 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,159 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,161 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,161 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,161 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:19:33,170 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-11-22 15:19:33,173 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:19:33,179 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 [2021-11-22 15:19:33,179 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-22 15:19:33,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 242 transitions, 544 flow [2021-11-22 15:19:33,372 INFO L129 PetriNetUnfolder]: 161/1097 cut-off events. [2021-11-22 15:19:33,372 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-11-22 15:19:33,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 1097 events. 161/1097 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5491 event pairs, 23 based on Foata normal form. 0/947 useless extension candidates. Maximal degree in co-relation 776. Up to 80 conditions per place. [2021-11-22 15:19:33,382 INFO L82 GeneralOperation]: Start removeDead. Operand has 222 places, 242 transitions, 544 flow [2021-11-22 15:19:33,393 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 222 places, 242 transitions, 544 flow [2021-11-22 15:19:33,403 INFO L129 PetriNetUnfolder]: 6/112 cut-off events. [2021-11-22 15:19:33,404 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-22 15:19:33,404 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:33,404 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] [2021-11-22 15:19:33,404 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:19:33,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:33,405 INFO L85 PathProgramCache]: Analyzing trace with hash -326303070, now seen corresponding path program 1 times [2021-11-22 15:19:33,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:33,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812975903] [2021-11-22 15:19:33,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:33,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:33,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:33,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:33,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812975903] [2021-11-22 15:19:33,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812975903] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:33,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:33,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:19:33,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909366504] [2021-11-22 15:19:33,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:33,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:19:33,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:33,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:19:33,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:19:33,474 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 242 [2021-11-22 15:19:33,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 242 transitions, 544 flow. Second operand has 5 states, 5 states have (on average 190.2) internal successors, (951), 5 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:33,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:33,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 242 [2021-11-22 15:19:33,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:39,193 INFO L129 PetriNetUnfolder]: 7221/28496 cut-off events. [2021-11-22 15:19:39,193 INFO L130 PetriNetUnfolder]: For 7614/7945 co-relation queries the response was YES. [2021-11-22 15:19:39,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40846 conditions, 28496 events. 7221/28496 cut-off events. For 7614/7945 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 352852 event pairs, 1039 based on Foata normal form. 16288/42994 useless extension candidates. Maximal degree in co-relation 23178. Up to 3313 conditions per place. [2021-11-22 15:19:39,732 INFO L132 encePairwiseOnDemand]: 212/242 looper letters, 99 selfloop transitions, 8 changer transitions 0/296 dead transitions. [2021-11-22 15:19:39,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 296 transitions, 1008 flow [2021-11-22 15:19:39,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 15:19:39,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-22 15:19:39,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1758 transitions. [2021-11-22 15:19:39,742 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9080578512396694 [2021-11-22 15:19:39,743 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1758 transitions. [2021-11-22 15:19:39,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1758 transitions. [2021-11-22 15:19:39,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:39,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1758 transitions. [2021-11-22 15:19:39,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 219.75) internal successors, (1758), 8 states have internal predecessors, (1758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:39,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 242.0) internal successors, (2178), 9 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:39,761 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 242.0) internal successors, (2178), 9 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:39,761 INFO L186 Difference]: Start difference. First operand has 222 places, 242 transitions, 544 flow. Second operand 8 states and 1758 transitions. [2021-11-22 15:19:39,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 296 transitions, 1008 flow [2021-11-22 15:19:39,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 296 transitions, 1008 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 15:19:39,787 INFO L242 Difference]: Finished difference. Result has 229 places, 220 transitions, 545 flow [2021-11-22 15:19:39,788 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=545, PETRI_PLACES=229, PETRI_TRANSITIONS=220} [2021-11-22 15:19:39,789 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 7 predicate places. [2021-11-22 15:19:39,789 INFO L470 AbstractCegarLoop]: Abstraction has has 229 places, 220 transitions, 545 flow [2021-11-22 15:19:39,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 190.2) internal successors, (951), 5 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:39,791 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:39,791 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:39,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 15:19:39,791 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:19:39,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:39,792 INFO L85 PathProgramCache]: Analyzing trace with hash 2030427744, now seen corresponding path program 1 times [2021-11-22 15:19:39,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:39,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953396462] [2021-11-22 15:19:39,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:39,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 15:19:39,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:39,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953396462] [2021-11-22 15:19:39,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953396462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:39,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:39,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:19:39,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977236935] [2021-11-22 15:19:39,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:39,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:19:39,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:39,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:19:39,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:19:39,875 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 242 [2021-11-22 15:19:39,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 220 transitions, 545 flow. Second operand has 5 states, 5 states have (on average 190.4) internal successors, (952), 5 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:39,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:39,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 242 [2021-11-22 15:19:39,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:51,421 INFO L129 PetriNetUnfolder]: 12758/55508 cut-off events. [2021-11-22 15:19:51,421 INFO L130 PetriNetUnfolder]: For 19178/20114 co-relation queries the response was YES. [2021-11-22 15:19:51,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82654 conditions, 55508 events. 12758/55508 cut-off events. For 19178/20114 co-relation queries the response was YES. Maximal size of possible extension queue 1219. Compared 782257 event pairs, 2966 based on Foata normal form. 137/51714 useless extension candidates. Maximal degree in co-relation 57950. Up to 7154 conditions per place. [2021-11-22 15:19:52,093 INFO L132 encePairwiseOnDemand]: 236/242 looper letters, 97 selfloop transitions, 14 changer transitions 0/303 dead transitions. [2021-11-22 15:19:52,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 303 transitions, 1119 flow [2021-11-22 15:19:52,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 15:19:52,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-22 15:19:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1619 transitions. [2021-11-22 15:19:52,099 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8362603305785123 [2021-11-22 15:19:52,099 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1619 transitions. [2021-11-22 15:19:52,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1619 transitions. [2021-11-22 15:19:52,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:52,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1619 transitions. [2021-11-22 15:19:52,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 202.375) internal successors, (1619), 8 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:52,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 242.0) internal successors, (2178), 9 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:52,111 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 242.0) internal successors, (2178), 9 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:52,111 INFO L186 Difference]: Start difference. First operand has 229 places, 220 transitions, 545 flow. Second operand 8 states and 1619 transitions. [2021-11-22 15:19:52,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 303 transitions, 1119 flow [2021-11-22 15:19:52,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 303 transitions, 1119 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 15:19:52,188 INFO L242 Difference]: Finished difference. Result has 240 places, 230 transitions, 643 flow [2021-11-22 15:19:52,189 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=643, PETRI_PLACES=240, PETRI_TRANSITIONS=230} [2021-11-22 15:19:52,189 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 18 predicate places. [2021-11-22 15:19:52,190 INFO L470 AbstractCegarLoop]: Abstraction has has 240 places, 230 transitions, 643 flow [2021-11-22 15:19:52,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 190.4) internal successors, (952), 5 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:52,190 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:52,191 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:19:52,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 15:19:52,191 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 15:19:52,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:52,191 INFO L85 PathProgramCache]: Analyzing trace with hash -880355715, now seen corresponding path program 1 times [2021-11-22 15:19:52,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:52,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311974845] [2021-11-22 15:19:52,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:52,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 15:19:52,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:52,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311974845] [2021-11-22 15:19:52,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311974845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:52,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:52,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:19:52,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610631404] [2021-11-22 15:19:52,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:52,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:19:52,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:52,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:19:52,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:19:52,253 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 242 [2021-11-22 15:19:52,254 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 230 transitions, 643 flow. Second operand has 5 states, 5 states have (on average 190.6) internal successors, (953), 5 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:52,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:52,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 242 [2021-11-22 15:19:52,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand