./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix006.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix006.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y --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 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:30:59,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:30:59,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:30:59,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:30:59,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:30:59,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:30:59,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:30:59,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:30:59,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:30:59,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:30:59,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:30:59,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:30:59,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:30:59,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:30:59,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:30:59,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:30:59,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:30:59,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:30:59,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:30:59,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:30:59,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:30:59,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:30:59,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:30:59,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:30:59,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:30:59,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:30:59,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:30:59,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:30:59,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:30:59,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:30:59,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:30:59,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:30:59,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:30:59,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:30:59,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:30:59,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:30:59,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:30:59,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:30:59,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:30:59,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:30:59,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:30:59,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 17:30:59,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:30:59,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:30:59,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:30:59,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:30:59,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:30:59,715 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:30:59,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:30:59,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:30:59,716 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:30:59,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:30:59,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:30:59,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:30:59,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:30:59,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:30:59,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:30:59,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:30:59,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:30:59,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:30:59,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:30:59,719 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:30:59,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:30:59,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:30:59,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:30:59,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:30:59,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:30:59,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:30:59,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:30:59,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:30:59,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:30:59,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:30:59,723 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:30:59,723 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:30:59,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:30:59,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:30:59,724 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_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 [2021-11-13 17:30:59,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:31:00,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:31:00,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:31:00,029 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:31:00,030 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:31:00,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/pthread-wmm/mix006.opt.i [2021-11-13 17:31:00,107 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/data/3221436f0/da77e594a5794b88b9103fa97885c2de/FLAGa1c36e5f8 [2021-11-13 17:31:00,678 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:31:00,679 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/sv-benchmarks/c/pthread-wmm/mix006.opt.i [2021-11-13 17:31:00,698 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/data/3221436f0/da77e594a5794b88b9103fa97885c2de/FLAGa1c36e5f8 [2021-11-13 17:31:00,963 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/data/3221436f0/da77e594a5794b88b9103fa97885c2de [2021-11-13 17:31:00,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:31:00,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:31:00,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:00,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:31:00,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:31:00,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:00" (1/1) ... [2021-11-13 17:31:00,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37db81a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:00, skipping insertion in model container [2021-11-13 17:31:00,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:00" (1/1) ... [2021-11-13 17:31:00,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:31:01,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:31:01,253 WARN L228 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_6a05447a-12fa-4238-a6c8-0148cd0e9097/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2021-11-13 17:31:01,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:01,590 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:31:01,610 WARN L228 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_6a05447a-12fa-4238-a6c8-0148cd0e9097/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2021-11-13 17:31:01,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:01,758 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:31:01,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01 WrapperNode [2021-11-13 17:31:01,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:01,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:01,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:31:01,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:31:01,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:01,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:31:01,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:31:01,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:31:01,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:31:01,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:31:01,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:31:01,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:31:01,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:31:01,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:01,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:01,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:31:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:31:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 17:31:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:31:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:31:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-13 17:31:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-13 17:31:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-13 17:31:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-13 17:31:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-13 17:31:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-13 17:31:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:31:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 17:31:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:31:02,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:31:02,003 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 17:31:03,223 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:31:03,223 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 17:31:03,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:03 BoogieIcfgContainer [2021-11-13 17:31:03,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:31:03,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:31:03,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:31:03,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:31:03,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:31:00" (1/3) ... [2021-11-13 17:31:03,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38914335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:03, skipping insertion in model container [2021-11-13 17:31:03,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (2/3) ... [2021-11-13 17:31:03,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38914335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:03, skipping insertion in model container [2021-11-13 17:31:03,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:03" (3/3) ... [2021-11-13 17:31:03,237 INFO L111 eAbstractionObserver]: Analyzing ICFG mix006.opt.i [2021-11-13 17:31:03,243 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 17:31:03,243 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:31:03,243 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 17:31:03,243 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 17:31:03,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,295 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,295 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,296 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,296 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,296 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,296 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,297 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,298 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,299 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,300 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,301 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,302 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,303 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,304 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,304 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,313 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,313 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,313 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,313 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,313 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,313 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,315 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,315 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,315 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,315 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,315 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,316 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,316 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,316 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,316 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,316 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,317 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,317 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,318 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,319 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,322 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,322 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,323 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,324 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,324 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,325 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,325 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,325 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,325 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,331 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,331 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,335 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,335 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,336 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,336 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,336 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,336 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,336 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,336 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,336 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,337 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,337 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,337 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,337 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,337 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,343 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,344 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,344 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,346 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,348 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,348 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,349 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,350 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,351 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,351 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,351 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,351 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,351 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,351 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,351 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,351 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,352 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,352 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,352 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,352 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,352 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,352 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,352 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,352 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,354 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,357 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,357 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,357 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,358 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,372 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,372 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,372 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,372 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,373 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,376 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,377 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,377 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,378 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,378 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,378 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,378 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,378 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,378 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,379 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,379 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,379 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,379 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,379 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,379 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,380 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,380 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,380 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,380 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,380 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,380 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,380 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,381 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,381 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,381 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,381 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,381 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,381 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,382 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,382 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,382 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,382 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,382 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,382 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,382 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,386 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,387 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,387 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,388 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,388 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:03,388 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 17:31:03,456 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:31:03,474 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 [2021-11-13 17:31:03,474 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-13 17:31:03,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 117 transitions, 249 flow [2021-11-13 17:31:03,549 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-11-13 17:31:03,549 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:31:03,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-11-13 17:31:03,553 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 117 transitions, 249 flow [2021-11-13 17:31:03,586 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 114 transitions, 237 flow [2021-11-13 17:31:03,642 INFO L129 PetriNetUnfolder]: 0/75 cut-off events. [2021-11-13 17:31:03,655 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:31:03,655 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:03,656 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] [2021-11-13 17:31:03,657 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:03,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:03,665 INFO L85 PathProgramCache]: Analyzing trace with hash 2065927084, now seen corresponding path program 1 times [2021-11-13 17:31:03,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:03,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146007286] [2021-11-13 17:31:03,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:03,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:04,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:04,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146007286] [2021-11-13 17:31:04,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146007286] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:04,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:04,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:31:04,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980233666] [2021-11-13 17:31:04,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:04,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:31:04,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:04,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:31:04,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:31:04,181 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 117 [2021-11-13 17:31:04,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2021-11-13 17:31:04,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:04,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 117 [2021-11-13 17:31:04,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:04,332 INFO L129 PetriNetUnfolder]: 14/153 cut-off events. [2021-11-13 17:31:04,332 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-13 17:31:04,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 153 events. 14/153 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 283 event pairs, 2 based on Foata normal form. 7/151 useless extension candidates. Maximal degree in co-relation 146. Up to 25 conditions per place. [2021-11-13 17:31:04,338 INFO L132 encePairwiseOnDemand]: 112/117 looper letters, 9 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2021-11-13 17:31:04,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 112 transitions, 255 flow [2021-11-13 17:31:04,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:31:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 17:31:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 328 transitions. [2021-11-13 17:31:04,362 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9344729344729344 [2021-11-13 17:31:04,363 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 328 transitions. [2021-11-13 17:31:04,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 328 transitions. [2021-11-13 17:31:04,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:04,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 328 transitions. [2021-11-13 17:31:04,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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) [2021-11-13 17:31:04,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2021-11-13 17:31:04,390 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2021-11-13 17:31:04,392 INFO L186 Difference]: Start difference. First operand has 122 places, 114 transitions, 237 flow. Second operand 3 states and 328 transitions. [2021-11-13 17:31:04,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 112 transitions, 255 flow [2021-11-13 17:31:04,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 112 transitions, 252 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-13 17:31:04,404 INFO L242 Difference]: Finished difference. Result has 119 places, 110 transitions, 230 flow [2021-11-13 17:31:04,406 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=119, PETRI_TRANSITIONS=110} [2021-11-13 17:31:04,413 INFO L334 CegarLoopForPetriNet]: 122 programPoint places, -3 predicate places. [2021-11-13 17:31:04,413 INFO L470 AbstractCegarLoop]: Abstraction has has 119 places, 110 transitions, 230 flow [2021-11-13 17:31:04,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2021-11-13 17:31:04,414 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:04,416 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] [2021-11-13 17:31:04,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:31:04,417 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:04,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:04,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1913706235, now seen corresponding path program 1 times [2021-11-13 17:31:04,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:04,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513892084] [2021-11-13 17:31:04,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:04,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:04,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:04,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513892084] [2021-11-13 17:31:04,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513892084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:04,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:04,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:31:04,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11923262] [2021-11-13 17:31:04,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:04,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:31:04,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:04,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:31:04,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:31:04,884 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 117 [2021-11-13 17:31:04,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 110 transitions, 230 flow. Second operand has 7 states, 7 states have (on average 91.14285714285714) internal successors, (638), 7 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:31:04,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:04,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 117 [2021-11-13 17:31:04,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:05,980 INFO L129 PetriNetUnfolder]: 892/2632 cut-off events. [2021-11-13 17:31:05,980 INFO L130 PetriNetUnfolder]: For 106/106 co-relation queries the response was YES. [2021-11-13 17:31:05,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4208 conditions, 2632 events. 892/2632 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 21333 event pairs, 250 based on Foata normal form. 0/2546 useless extension candidates. Maximal degree in co-relation 4150. Up to 450 conditions per place. [2021-11-13 17:31:06,034 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 35 selfloop transitions, 6 changer transitions 81/197 dead transitions. [2021-11-13 17:31:06,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 197 transitions, 652 flow [2021-11-13 17:31:06,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 17:31:06,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-13 17:31:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1271 transitions. [2021-11-13 17:31:06,043 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8356344510190664 [2021-11-13 17:31:06,043 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1271 transitions. [2021-11-13 17:31:06,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1271 transitions. [2021-11-13 17:31:06,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:06,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1271 transitions. [2021-11-13 17:31:06,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 97.76923076923077) internal successors, (1271), 13 states have internal predecessors, (1271), 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) [2021-11-13 17:31:06,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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) [2021-11-13 17:31:06,058 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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) [2021-11-13 17:31:06,058 INFO L186 Difference]: Start difference. First operand has 119 places, 110 transitions, 230 flow. Second operand 13 states and 1271 transitions. [2021-11-13 17:31:06,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 197 transitions, 652 flow [2021-11-13 17:31:06,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 197 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 17:31:06,069 INFO L242 Difference]: Finished difference. Result has 141 places, 102 transitions, 288 flow [2021-11-13 17:31:06,070 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=288, PETRI_PLACES=141, PETRI_TRANSITIONS=102} [2021-11-13 17:31:06,071 INFO L334 CegarLoopForPetriNet]: 122 programPoint places, 19 predicate places. [2021-11-13 17:31:06,071 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 102 transitions, 288 flow [2021-11-13 17:31:06,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 91.14285714285714) internal successors, (638), 7 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:31:06,072 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:06,072 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] [2021-11-13 17:31:06,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:31:06,073 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:06,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:06,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1475464287, now seen corresponding path program 1 times [2021-11-13 17:31:06,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:06,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675200855] [2021-11-13 17:31:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:06,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:06,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:06,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675200855] [2021-11-13 17:31:06,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675200855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:06,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:06,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:31:06,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783412348] [2021-11-13 17:31:06,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:06,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:31:06,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:06,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:31:06,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:31:06,375 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 117 [2021-11-13 17:31:06,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 102 transitions, 288 flow. Second operand has 7 states, 7 states have (on average 91.42857142857143) internal successors, (640), 7 states have internal predecessors, (640), 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) [2021-11-13 17:31:06,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:06,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 117 [2021-11-13 17:31:06,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:07,140 INFO L129 PetriNetUnfolder]: 470/1278 cut-off events. [2021-11-13 17:31:07,141 INFO L130 PetriNetUnfolder]: For 2123/2123 co-relation queries the response was YES. [2021-11-13 17:31:07,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3724 conditions, 1278 events. 470/1278 cut-off events. For 2123/2123 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 8297 event pairs, 92 based on Foata normal form. 30/1258 useless extension candidates. Maximal degree in co-relation 3654. Up to 295 conditions per place. [2021-11-13 17:31:07,158 INFO L132 encePairwiseOnDemand]: 104/117 looper letters, 31 selfloop transitions, 12 changer transitions 49/167 dead transitions. [2021-11-13 17:31:07,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 167 transitions, 868 flow [2021-11-13 17:31:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 17:31:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-13 17:31:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1241 transitions. [2021-11-13 17:31:07,165 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8159105851413544 [2021-11-13 17:31:07,165 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1241 transitions. [2021-11-13 17:31:07,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1241 transitions. [2021-11-13 17:31:07,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:07,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1241 transitions. [2021-11-13 17:31:07,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 95.46153846153847) internal successors, (1241), 13 states have internal predecessors, (1241), 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) [2021-11-13 17:31:07,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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) [2021-11-13 17:31:07,178 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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) [2021-11-13 17:31:07,178 INFO L186 Difference]: Start difference. First operand has 141 places, 102 transitions, 288 flow. Second operand 13 states and 1241 transitions. [2021-11-13 17:31:07,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 167 transitions, 868 flow [2021-11-13 17:31:07,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 167 transitions, 816 flow, removed 24 selfloop flow, removed 4 redundant places. [2021-11-13 17:31:07,227 INFO L242 Difference]: Finished difference. Result has 140 places, 108 transitions, 405 flow [2021-11-13 17:31:07,228 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=405, PETRI_PLACES=140, PETRI_TRANSITIONS=108} [2021-11-13 17:31:07,228 INFO L334 CegarLoopForPetriNet]: 122 programPoint places, 18 predicate places. [2021-11-13 17:31:07,229 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 108 transitions, 405 flow [2021-11-13 17:31:07,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 91.42857142857143) internal successors, (640), 7 states have internal predecessors, (640), 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) [2021-11-13 17:31:07,229 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:07,229 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:07,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:31:07,230 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:07,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:07,230 INFO L85 PathProgramCache]: Analyzing trace with hash -368131938, now seen corresponding path program 1 times [2021-11-13 17:31:07,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:07,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134127350] [2021-11-13 17:31:07,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:07,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:07,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:07,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:07,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134127350] [2021-11-13 17:31:07,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134127350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:07,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:07,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:31:07,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437219321] [2021-11-13 17:31:07,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:07,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:31:07,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:07,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:31:07,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:31:07,494 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2021-11-13 17:31:07,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 108 transitions, 405 flow. Second operand has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 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) [2021-11-13 17:31:07,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:07,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2021-11-13 17:31:07,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:08,502 INFO L129 PetriNetUnfolder]: 1482/3081 cut-off events. [2021-11-13 17:31:08,502 INFO L130 PetriNetUnfolder]: For 7475/7861 co-relation queries the response was YES. [2021-11-13 17:31:08,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8479 conditions, 3081 events. 1482/3081 cut-off events. For 7475/7861 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 23529 event pairs, 66 based on Foata normal form. 27/2917 useless extension candidates. Maximal degree in co-relation 8399. Up to 906 conditions per place. [2021-11-13 17:31:08,544 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 48 selfloop transitions, 7 changer transitions 48/189 dead transitions. [2021-11-13 17:31:08,544 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 189 transitions, 1113 flow [2021-11-13 17:31:08,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 17:31:08,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-13 17:31:08,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1021 transitions. [2021-11-13 17:31:08,549 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8726495726495727 [2021-11-13 17:31:08,549 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1021 transitions. [2021-11-13 17:31:08,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1021 transitions. [2021-11-13 17:31:08,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:08,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1021 transitions. [2021-11-13 17:31:08,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 102.1) internal successors, (1021), 10 states have internal predecessors, (1021), 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) [2021-11-13 17:31:08,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 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) [2021-11-13 17:31:08,558 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 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) [2021-11-13 17:31:08,559 INFO L186 Difference]: Start difference. First operand has 140 places, 108 transitions, 405 flow. Second operand 10 states and 1021 transitions. [2021-11-13 17:31:08,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 189 transitions, 1113 flow [2021-11-13 17:31:08,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 189 transitions, 1066 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-11-13 17:31:08,659 INFO L242 Difference]: Finished difference. Result has 139 places, 112 transitions, 434 flow [2021-11-13 17:31:08,660 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=434, PETRI_PLACES=139, PETRI_TRANSITIONS=112} [2021-11-13 17:31:08,661 INFO L334 CegarLoopForPetriNet]: 122 programPoint places, 17 predicate places. [2021-11-13 17:31:08,662 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 112 transitions, 434 flow [2021-11-13 17:31:08,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 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) [2021-11-13 17:31:08,662 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:08,663 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:08,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:31:08,663 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:08,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:08,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1853155545, now seen corresponding path program 1 times [2021-11-13 17:31:08,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:08,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87589117] [2021-11-13 17:31:08,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:08,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:08,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:08,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:08,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87589117] [2021-11-13 17:31:08,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87589117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:08,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:08,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:31:08,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315602302] [2021-11-13 17:31:08,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:08,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:31:08,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:08,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:31:08,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:31:08,922 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2021-11-13 17:31:08,924 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 112 transitions, 434 flow. Second operand has 7 states, 7 states have (on average 96.14285714285714) internal successors, (673), 7 states have internal predecessors, (673), 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) [2021-11-13 17:31:08,924 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:08,924 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2021-11-13 17:31:08,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:09,726 INFO L129 PetriNetUnfolder]: 731/1942 cut-off events. [2021-11-13 17:31:09,726 INFO L130 PetriNetUnfolder]: For 5090/5307 co-relation queries the response was YES. [2021-11-13 17:31:09,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6598 conditions, 1942 events. 731/1942 cut-off events. For 5090/5307 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 15258 event pairs, 46 based on Foata normal form. 93/1972 useless extension candidates. Maximal degree in co-relation 6516. Up to 509 conditions per place. [2021-11-13 17:31:09,750 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 72 selfloop transitions, 20 changer transitions 18/196 dead transitions. [2021-11-13 17:31:09,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 196 transitions, 1285 flow [2021-11-13 17:31:09,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 17:31:09,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-13 17:31:09,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1124 transitions. [2021-11-13 17:31:09,755 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8733488733488733 [2021-11-13 17:31:09,755 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1124 transitions. [2021-11-13 17:31:09,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1124 transitions. [2021-11-13 17:31:09,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:09,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1124 transitions. [2021-11-13 17:31:09,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 102.18181818181819) internal successors, (1124), 11 states have internal predecessors, (1124), 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) [2021-11-13 17:31:09,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 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) [2021-11-13 17:31:09,764 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 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) [2021-11-13 17:31:09,765 INFO L186 Difference]: Start difference. First operand has 139 places, 112 transitions, 434 flow. Second operand 11 states and 1124 transitions. [2021-11-13 17:31:09,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 196 transitions, 1285 flow [2021-11-13 17:31:09,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 196 transitions, 1239 flow, removed 19 selfloop flow, removed 10 redundant places. [2021-11-13 17:31:09,784 INFO L242 Difference]: Finished difference. Result has 139 places, 130 transitions, 616 flow [2021-11-13 17:31:09,784 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=413, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=616, PETRI_PLACES=139, PETRI_TRANSITIONS=130} [2021-11-13 17:31:09,785 INFO L334 CegarLoopForPetriNet]: 122 programPoint places, 17 predicate places. [2021-11-13 17:31:09,785 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 130 transitions, 616 flow [2021-11-13 17:31:09,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 96.14285714285714) internal successors, (673), 7 states have internal predecessors, (673), 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) [2021-11-13 17:31:09,786 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:09,786 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:09,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 17:31:09,787 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:09,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:09,787 INFO L85 PathProgramCache]: Analyzing trace with hash -799119606, now seen corresponding path program 1 times [2021-11-13 17:31:09,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:09,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557501605] [2021-11-13 17:31:09,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:09,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:09,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:09,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:09,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557501605] [2021-11-13 17:31:09,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557501605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:09,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:09,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 17:31:09,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400046463] [2021-11-13 17:31:09,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:09,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 17:31:09,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:09,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:31:09,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:31:09,969 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2021-11-13 17:31:09,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 130 transitions, 616 flow. Second operand has 8 states, 8 states have (on average 96.125) internal successors, (769), 8 states have internal predecessors, (769), 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) [2021-11-13 17:31:09,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:09,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2021-11-13 17:31:09,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:10,691 INFO L129 PetriNetUnfolder]: 663/1793 cut-off events. [2021-11-13 17:31:10,691 INFO L130 PetriNetUnfolder]: For 6092/6353 co-relation queries the response was YES. [2021-11-13 17:31:10,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6692 conditions, 1793 events. 663/1793 cut-off events. For 6092/6353 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 14415 event pairs, 42 based on Foata normal form. 73/1803 useless extension candidates. Maximal degree in co-relation 6613. Up to 468 conditions per place. [2021-11-13 17:31:10,714 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 59 selfloop transitions, 24 changer transitions 23/192 dead transitions. [2021-11-13 17:31:10,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 192 transitions, 1280 flow [2021-11-13 17:31:10,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 17:31:10,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-13 17:31:10,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1397 transitions. [2021-11-13 17:31:10,720 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8528693528693528 [2021-11-13 17:31:10,721 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1397 transitions. [2021-11-13 17:31:10,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1397 transitions. [2021-11-13 17:31:10,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:10,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1397 transitions. [2021-11-13 17:31:10,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 99.78571428571429) internal successors, (1397), 14 states have internal predecessors, (1397), 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) [2021-11-13 17:31:10,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 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) [2021-11-13 17:31:10,733 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 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) [2021-11-13 17:31:10,733 INFO L186 Difference]: Start difference. First operand has 139 places, 130 transitions, 616 flow. Second operand 14 states and 1397 transitions. [2021-11-13 17:31:10,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 192 transitions, 1280 flow [2021-11-13 17:31:10,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 192 transitions, 1098 flow, removed 77 selfloop flow, removed 6 redundant places. [2021-11-13 17:31:10,793 INFO L242 Difference]: Finished difference. Result has 153 places, 130 transitions, 574 flow [2021-11-13 17:31:10,793 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=574, PETRI_PLACES=153, PETRI_TRANSITIONS=130} [2021-11-13 17:31:10,794 INFO L334 CegarLoopForPetriNet]: 122 programPoint places, 31 predicate places. [2021-11-13 17:31:10,794 INFO L470 AbstractCegarLoop]: Abstraction has has 153 places, 130 transitions, 574 flow [2021-11-13 17:31:10,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 96.125) internal successors, (769), 8 states have internal predecessors, (769), 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) [2021-11-13 17:31:10,795 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:10,795 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:10,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 17:31:10,796 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:10,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:10,797 INFO L85 PathProgramCache]: Analyzing trace with hash 847171476, now seen corresponding path program 1 times [2021-11-13 17:31:10,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:10,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377396445] [2021-11-13 17:31:10,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:10,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:10,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:10,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377396445] [2021-11-13 17:31:10,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377396445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:10,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:10,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:31:10,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806989051] [2021-11-13 17:31:10,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:10,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:31:10,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:10,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:31:10,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:31:10,988 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2021-11-13 17:31:10,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 130 transitions, 574 flow. Second operand has 7 states, 7 states have (on average 96.57142857142857) internal successors, (676), 7 states have internal predecessors, (676), 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) [2021-11-13 17:31:10,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:10,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2021-11-13 17:31:10,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:11,368 INFO L129 PetriNetUnfolder]: 250/1405 cut-off events. [2021-11-13 17:31:11,368 INFO L130 PetriNetUnfolder]: For 2420/2499 co-relation queries the response was YES. [2021-11-13 17:31:11,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3731 conditions, 1405 events. 250/1405 cut-off events. For 2420/2499 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 13620 event pairs, 12 based on Foata normal form. 1/1314 useless extension candidates. Maximal degree in co-relation 3650. Up to 184 conditions per place. [2021-11-13 17:31:11,384 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 19 selfloop transitions, 1 changer transitions 20/145 dead transitions. [2021-11-13 17:31:11,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 145 transitions, 730 flow [2021-11-13 17:31:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:31:11,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-13 17:31:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 691 transitions. [2021-11-13 17:31:11,388 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8437118437118437 [2021-11-13 17:31:11,388 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 691 transitions. [2021-11-13 17:31:11,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 691 transitions. [2021-11-13 17:31:11,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:11,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 691 transitions. [2021-11-13 17:31:11,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 98.71428571428571) internal successors, (691), 7 states have internal predecessors, (691), 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) [2021-11-13 17:31:11,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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) [2021-11-13 17:31:11,395 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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) [2021-11-13 17:31:11,396 INFO L186 Difference]: Start difference. First operand has 153 places, 130 transitions, 574 flow. Second operand 7 states and 691 transitions. [2021-11-13 17:31:11,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 145 transitions, 730 flow [2021-11-13 17:31:11,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 145 transitions, 650 flow, removed 26 selfloop flow, removed 13 redundant places. [2021-11-13 17:31:11,435 INFO L242 Difference]: Finished difference. Result has 148 places, 124 transitions, 483 flow [2021-11-13 17:31:11,436 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=483, PETRI_PLACES=148, PETRI_TRANSITIONS=124} [2021-11-13 17:31:11,436 INFO L334 CegarLoopForPetriNet]: 122 programPoint places, 26 predicate places. [2021-11-13 17:31:11,437 INFO L470 AbstractCegarLoop]: Abstraction has has 148 places, 124 transitions, 483 flow [2021-11-13 17:31:11,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 96.57142857142857) internal successors, (676), 7 states have internal predecessors, (676), 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) [2021-11-13 17:31:11,437 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:11,438 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:11,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 17:31:11,438 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:11,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:11,439 INFO L85 PathProgramCache]: Analyzing trace with hash 153103730, now seen corresponding path program 2 times [2021-11-13 17:31:11,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:11,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89078027] [2021-11-13 17:31:11,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:11,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:11,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:11,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89078027] [2021-11-13 17:31:11,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89078027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:11,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:11,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:31:11,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112278438] [2021-11-13 17:31:11,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:11,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:31:11,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:11,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:31:11,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:31:11,629 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 117 [2021-11-13 17:31:11,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 124 transitions, 483 flow. Second operand has 7 states, 7 states have (on average 92.28571428571429) internal successors, (646), 7 states have internal predecessors, (646), 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) [2021-11-13 17:31:11,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:11,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 117 [2021-11-13 17:31:11,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:11,935 INFO L129 PetriNetUnfolder]: 171/1011 cut-off events. [2021-11-13 17:31:11,935 INFO L130 PetriNetUnfolder]: For 1024/1032 co-relation queries the response was YES. [2021-11-13 17:31:11,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2516 conditions, 1011 events. 171/1011 cut-off events. For 1024/1032 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9141 event pairs, 9 based on Foata normal form. 1/961 useless extension candidates. Maximal degree in co-relation 2492. Up to 135 conditions per place. [2021-11-13 17:31:11,944 INFO L132 encePairwiseOnDemand]: 105/117 looper letters, 16 selfloop transitions, 8 changer transitions 16/135 dead transitions. [2021-11-13 17:31:11,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 135 transitions, 599 flow [2021-11-13 17:31:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:31:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-13 17:31:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 660 transitions. [2021-11-13 17:31:11,948 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8058608058608059 [2021-11-13 17:31:11,948 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 660 transitions. [2021-11-13 17:31:11,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 660 transitions. [2021-11-13 17:31:11,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:11,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 660 transitions. [2021-11-13 17:31:11,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 94.28571428571429) internal successors, (660), 7 states have internal predecessors, (660), 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) [2021-11-13 17:31:11,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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) [2021-11-13 17:31:11,955 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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) [2021-11-13 17:31:11,955 INFO L186 Difference]: Start difference. First operand has 148 places, 124 transitions, 483 flow. Second operand 7 states and 660 transitions. [2021-11-13 17:31:11,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 135 transitions, 599 flow [2021-11-13 17:31:11,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 135 transitions, 574 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-11-13 17:31:11,978 INFO L242 Difference]: Finished difference. Result has 148 places, 118 transitions, 449 flow [2021-11-13 17:31:11,979 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=449, PETRI_PLACES=148, PETRI_TRANSITIONS=118} [2021-11-13 17:31:11,979 INFO L334 CegarLoopForPetriNet]: 122 programPoint places, 26 predicate places. [2021-11-13 17:31:11,980 INFO L470 AbstractCegarLoop]: Abstraction has has 148 places, 118 transitions, 449 flow [2021-11-13 17:31:11,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.28571428571429) internal successors, (646), 7 states have internal predecessors, (646), 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) [2021-11-13 17:31:11,980 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:11,981 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:11,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 17:31:11,981 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:11,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:11,982 INFO L85 PathProgramCache]: Analyzing trace with hash 390457556, now seen corresponding path program 3 times [2021-11-13 17:31:11,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:11,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654330642] [2021-11-13 17:31:11,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:11,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:12,070 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:12,215 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:12,215 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 17:31:12,217 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-13 17:31:12,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-13 17:31:12,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-11-13 17:31:12,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-11-13 17:31:12,220 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-11-13 17:31:12,220 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-13 17:31:12,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 17:31:12,225 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:12,231 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 17:31:12,231 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:31:12,372 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 17:31:12,376 INFO L158 Benchmark]: Toolchain (without parser) took 11408.81ms. Allocated memory was 102.8MB in the beginning and 662.7MB in the end (delta: 559.9MB). Free memory was 70.7MB in the beginning and 468.3MB in the end (delta: -397.6MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. [2021-11-13 17:31:12,377 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:31:12,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.89ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.4MB in the beginning and 84.3MB in the end (delta: -13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 17:31:12,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.42ms. Allocated memory is still 123.7MB. Free memory was 84.3MB in the beginning and 81.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:31:12,378 INFO L158 Benchmark]: Boogie Preprocessor took 38.90ms. Allocated memory is still 123.7MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:31:12,379 INFO L158 Benchmark]: RCFGBuilder took 1323.29ms. Allocated memory is still 123.7MB. Free memory was 78.7MB in the beginning and 84.0MB in the end (delta: -5.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-13 17:31:12,379 INFO L158 Benchmark]: TraceAbstraction took 9147.79ms. Allocated memory was 123.7MB in the beginning and 662.7MB in the end (delta: 539.0MB). Free memory was 84.0MB in the beginning and 468.3MB in the end (delta: -384.4MB). Peak memory consumption was 154.2MB. Max. memory is 16.1GB. [2021-11-13 17:31:12,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.89ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.4MB in the beginning and 84.3MB in the end (delta: -13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.42ms. Allocated memory is still 123.7MB. Free memory was 84.3MB in the beginning and 81.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.90ms. Allocated memory is still 123.7MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1323.29ms. Allocated memory is still 123.7MB. Free memory was 78.7MB in the beginning and 84.0MB in the end (delta: -5.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9147.79ms. Allocated memory was 123.7MB in the beginning and 662.7MB in the end (delta: 539.0MB). Free memory was 84.0MB in the beginning and 468.3MB in the end (delta: -384.4MB). Peak memory consumption was 154.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 17:31:12,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix006.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y --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 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:31:15,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:31:15,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:31:15,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:31:15,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:31:15,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:31:15,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:31:15,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:31:15,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:31:15,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:31:15,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:31:15,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:31:15,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:31:15,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:31:15,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:31:15,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:31:15,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:31:15,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:31:15,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:31:15,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:31:15,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:31:15,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:31:15,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:31:15,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:31:15,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:31:15,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:31:15,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:31:15,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:31:15,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:31:15,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:31:15,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:31:15,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:31:15,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:31:15,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:31:15,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:31:15,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:31:15,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:31:15,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:31:15,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:31:15,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:31:15,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:31:15,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-13 17:31:15,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:31:15,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:31:15,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:31:15,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:31:15,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:31:15,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:31:15,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:31:15,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:31:15,234 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:31:15,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:31:15,235 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:31:15,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:31:15,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:31:15,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:31:15,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:31:15,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:31:15,236 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 17:31:15,236 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 17:31:15,236 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:31:15,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:31:15,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:31:15,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:31:15,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:31:15,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:31:15,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:31:15,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:31:15,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:31:15,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:31:15,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:31:15,239 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 17:31:15,239 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 17:31:15,240 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:31:15,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:31:15,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:31:15,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:31:15,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 17:31:15,241 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 [2021-11-13 17:31:15,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:31:15,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:31:15,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:31:15,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:31:15,680 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:31:15,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/pthread-wmm/mix006.opt.i [2021-11-13 17:31:15,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/data/f31994855/283ccb65622348e6b6d77484a4bb045a/FLAGb1d51b1f6 [2021-11-13 17:31:16,382 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:31:16,388 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/sv-benchmarks/c/pthread-wmm/mix006.opt.i [2021-11-13 17:31:16,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/data/f31994855/283ccb65622348e6b6d77484a4bb045a/FLAGb1d51b1f6 [2021-11-13 17:31:16,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/data/f31994855/283ccb65622348e6b6d77484a4bb045a [2021-11-13 17:31:16,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:31:16,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:31:16,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:16,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:31:16,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:31:16,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:16" (1/1) ... [2021-11-13 17:31:16,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c2a072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:16, skipping insertion in model container [2021-11-13 17:31:16,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:16" (1/1) ... [2021-11-13 17:31:16,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:31:16,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:31:16,977 WARN L228 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_6a05447a-12fa-4238-a6c8-0148cd0e9097/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2021-11-13 17:31:17,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:17,335 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:31:17,348 WARN L228 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_6a05447a-12fa-4238-a6c8-0148cd0e9097/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2021-11-13 17:31:17,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:17,460 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:31:17,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17 WrapperNode [2021-11-13 17:31:17,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:17,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:17,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:31:17,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:31:17,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ... [2021-11-13 17:31:17,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ... [2021-11-13 17:31:17,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:17,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:31:17,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:31:17,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:31:17,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ... [2021-11-13 17:31:17,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ... [2021-11-13 17:31:17,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ... [2021-11-13 17:31:17,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ... [2021-11-13 17:31:17,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ... [2021-11-13 17:31:17,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ... [2021-11-13 17:31:17,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ... [2021-11-13 17:31:17,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:31:17,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:31:17,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:31:17,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:31:17,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ... [2021-11-13 17:31:17,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:31:17,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:17,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:17,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:31:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 17:31:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:31:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:31:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 17:31:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 17:31:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-13 17:31:17,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-13 17:31:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-13 17:31:17,745 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-13 17:31:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-13 17:31:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-13 17:31:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 17:31:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:31:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:31:17,748 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 17:31:19,096 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:31:19,097 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 17:31:19,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:19 BoogieIcfgContainer [2021-11-13 17:31:19,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:31:19,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:31:19,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:31:19,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:31:19,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:31:16" (1/3) ... [2021-11-13 17:31:19,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b7eb1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:19, skipping insertion in model container [2021-11-13 17:31:19,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (2/3) ... [2021-11-13 17:31:19,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b7eb1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:19, skipping insertion in model container [2021-11-13 17:31:19,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:19" (3/3) ... [2021-11-13 17:31:19,107 INFO L111 eAbstractionObserver]: Analyzing ICFG mix006.opt.i [2021-11-13 17:31:19,113 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 17:31:19,113 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:31:19,113 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 17:31:19,113 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 17:31:19,156 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,156 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,156 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,157 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,157 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,157 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,157 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,157 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,158 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,158 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,158 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,158 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,159 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,159 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,159 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,159 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,160 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,160 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,160 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,160 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,168 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,170 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,170 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,170 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,170 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,170 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,176 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,176 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,176 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,176 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,179 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,179 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,180 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,180 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,180 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,180 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,180 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,181 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,181 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,181 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,181 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,181 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,182 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,182 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,182 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,182 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,183 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,183 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,183 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,183 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,183 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,184 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,184 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,184 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,184 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,184 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,184 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,185 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,185 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,185 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,185 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,185 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,185 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,186 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,186 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,186 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,186 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,186 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,186 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,187 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,187 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,187 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,187 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,187 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,188 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,188 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,188 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,188 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,188 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,188 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,189 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,189 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,189 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,189 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,191 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,191 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,191 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,191 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,192 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,192 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,192 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,192 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,192 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,192 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,193 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,193 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,193 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,193 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,193 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,194 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,194 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,194 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,194 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,194 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,194 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,195 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,195 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,195 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,195 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,195 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,195 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,196 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,196 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,196 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,196 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,196 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,196 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,197 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,197 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,197 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,197 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,197 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,199 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,200 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,200 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,200 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,200 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,200 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,200 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,201 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,201 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,201 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,201 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,202 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,202 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,202 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,203 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,203 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,203 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,203 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,206 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,206 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,207 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,207 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,207 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,207 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,207 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,208 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,208 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,208 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,208 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,208 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,209 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,209 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,209 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,209 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,209 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,210 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,210 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,210 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,210 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,210 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,211 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,211 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,211 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,211 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,211 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,213 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,213 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,213 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,213 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,213 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,214 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,214 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,214 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,214 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,214 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,216 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,216 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,216 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,216 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,216 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,217 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,217 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,217 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,217 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,217 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,217 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,218 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,218 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,218 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,218 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,218 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,219 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,219 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,219 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,219 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,220 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,220 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,220 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,221 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:19,221 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 17:31:19,270 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:31:19,289 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 [2021-11-13 17:31:19,289 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-13 17:31:19,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 118 transitions, 251 flow [2021-11-13 17:31:19,356 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-11-13 17:31:19,356 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:31:19,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-11-13 17:31:19,361 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 118 transitions, 251 flow [2021-11-13 17:31:19,366 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 115 transitions, 239 flow [2021-11-13 17:31:19,393 INFO L129 PetriNetUnfolder]: 0/75 cut-off events. [2021-11-13 17:31:19,393 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:31:19,393 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:19,394 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] [2021-11-13 17:31:19,395 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:19,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:19,401 INFO L85 PathProgramCache]: Analyzing trace with hash 240668913, now seen corresponding path program 1 times [2021-11-13 17:31:19,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:19,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92951602] [2021-11-13 17:31:19,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:19,415 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:19,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:19,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:19,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 17:31:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:19,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 17:31:19,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:19,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:19,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:20,101 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:20,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92951602] [2021-11-13 17:31:20,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92951602] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:20,102 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:20,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 17:31:20,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740978242] [2021-11-13 17:31:20,105 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:20,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:31:20,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:20,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:31:20,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:31:20,142 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 118 [2021-11-13 17:31:20,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 115 transitions, 239 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2021-11-13 17:31:20,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:20,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 118 [2021-11-13 17:31:20,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:20,244 INFO L129 PetriNetUnfolder]: 14/154 cut-off events. [2021-11-13 17:31:20,244 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-13 17:31:20,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 154 events. 14/154 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 285 event pairs, 2 based on Foata normal form. 7/152 useless extension candidates. Maximal degree in co-relation 146. Up to 25 conditions per place. [2021-11-13 17:31:20,248 INFO L132 encePairwiseOnDemand]: 113/118 looper letters, 9 selfloop transitions, 2 changer transitions 0/113 dead transitions. [2021-11-13 17:31:20,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 113 transitions, 257 flow [2021-11-13 17:31:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:31:20,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 17:31:20,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2021-11-13 17:31:20,263 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9350282485875706 [2021-11-13 17:31:20,264 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 331 transitions. [2021-11-13 17:31:20,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 331 transitions. [2021-11-13 17:31:20,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:20,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 331 transitions. [2021-11-13 17:31:20,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2021-11-13 17:31:20,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2021-11-13 17:31:20,279 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2021-11-13 17:31:20,281 INFO L186 Difference]: Start difference. First operand has 123 places, 115 transitions, 239 flow. Second operand 3 states and 331 transitions. [2021-11-13 17:31:20,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 113 transitions, 257 flow [2021-11-13 17:31:20,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 113 transitions, 254 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-13 17:31:20,290 INFO L242 Difference]: Finished difference. Result has 120 places, 111 transitions, 232 flow [2021-11-13 17:31:20,292 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=120, PETRI_TRANSITIONS=111} [2021-11-13 17:31:20,296 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, -3 predicate places. [2021-11-13 17:31:20,296 INFO L470 AbstractCegarLoop]: Abstraction has has 120 places, 111 transitions, 232 flow [2021-11-13 17:31:20,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2021-11-13 17:31:20,297 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:20,297 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] [2021-11-13 17:31:20,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:20,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:20,510 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:20,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:20,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1083447426, now seen corresponding path program 1 times [2021-11-13 17:31:20,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:20,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [762035166] [2021-11-13 17:31:20,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:20,513 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:20,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:20,514 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:20,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 17:31:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:20,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 17:31:20,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:20,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:21,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:21,139 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:21,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [762035166] [2021-11-13 17:31:21,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [762035166] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:21,140 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:21,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-13 17:31:21,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222564686] [2021-11-13 17:31:21,141 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:21,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:31:21,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:21,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:31:21,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:31:21,148 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 118 [2021-11-13 17:31:21,150 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 111 transitions, 232 flow. Second operand has 7 states, 7 states have (on average 97.42857142857143) internal successors, (682), 7 states have internal predecessors, (682), 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) [2021-11-13 17:31:21,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:21,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 118 [2021-11-13 17:31:21,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:21,905 INFO L129 PetriNetUnfolder]: 374/995 cut-off events. [2021-11-13 17:31:21,905 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2021-11-13 17:31:21,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 995 events. 374/995 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5715 event pairs, 14 based on Foata normal form. 0/976 useless extension candidates. Maximal degree in co-relation 1625. Up to 101 conditions per place. [2021-11-13 17:31:21,920 INFO L132 encePairwiseOnDemand]: 108/118 looper letters, 33 selfloop transitions, 9 changer transitions 64/198 dead transitions. [2021-11-13 17:31:21,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 198 transitions, 644 flow [2021-11-13 17:31:21,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 17:31:21,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-13 17:31:21,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1344 transitions. [2021-11-13 17:31:21,932 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8761408083441982 [2021-11-13 17:31:21,932 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1344 transitions. [2021-11-13 17:31:21,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1344 transitions. [2021-11-13 17:31:21,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:21,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1344 transitions. [2021-11-13 17:31:21,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 103.38461538461539) internal successors, (1344), 13 states have internal predecessors, (1344), 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) [2021-11-13 17:31:21,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 118.0) internal successors, (1652), 14 states have internal predecessors, (1652), 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) [2021-11-13 17:31:21,950 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 118.0) internal successors, (1652), 14 states have internal predecessors, (1652), 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) [2021-11-13 17:31:21,951 INFO L186 Difference]: Start difference. First operand has 120 places, 111 transitions, 232 flow. Second operand 13 states and 1344 transitions. [2021-11-13 17:31:21,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 198 transitions, 644 flow [2021-11-13 17:31:21,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 198 transitions, 620 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 17:31:21,962 INFO L242 Difference]: Finished difference. Result has 139 places, 116 transitions, 324 flow [2021-11-13 17:31:21,963 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=324, PETRI_PLACES=139, PETRI_TRANSITIONS=116} [2021-11-13 17:31:21,964 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 16 predicate places. [2021-11-13 17:31:21,965 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 116 transitions, 324 flow [2021-11-13 17:31:21,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 97.42857142857143) internal successors, (682), 7 states have internal predecessors, (682), 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) [2021-11-13 17:31:21,966 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:21,967 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:21,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:22,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:22,190 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:22,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:22,190 INFO L85 PathProgramCache]: Analyzing trace with hash -685623167, now seen corresponding path program 1 times [2021-11-13 17:31:22,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:22,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1990695039] [2021-11-13 17:31:22,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:22,192 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:22,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:22,193 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:22,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 17:31:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:22,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 17:31:22,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:22,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:22,882 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:22,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1990695039] [2021-11-13 17:31:22,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1990695039] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:22,883 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:22,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 11 [2021-11-13 17:31:22,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181981274] [2021-11-13 17:31:22,884 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:22,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 17:31:22,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:22,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 17:31:22,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:31:22,888 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 118 [2021-11-13 17:31:22,890 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 116 transitions, 324 flow. Second operand has 11 states, 11 states have (on average 97.0909090909091) internal successors, (1068), 11 states have internal predecessors, (1068), 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) [2021-11-13 17:31:22,890 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:22,890 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 118 [2021-11-13 17:31:22,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:23,391 INFO L129 PetriNetUnfolder]: 65/299 cut-off events. [2021-11-13 17:31:23,391 INFO L130 PetriNetUnfolder]: For 395/395 co-relation queries the response was YES. [2021-11-13 17:31:23,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 299 events. 65/299 cut-off events. For 395/395 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1044 event pairs, 4 based on Foata normal form. 8/304 useless extension candidates. Maximal degree in co-relation 666. Up to 43 conditions per place. [2021-11-13 17:31:23,395 INFO L132 encePairwiseOnDemand]: 109/118 looper letters, 23 selfloop transitions, 12 changer transitions 33/148 dead transitions. [2021-11-13 17:31:23,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 148 transitions, 605 flow [2021-11-13 17:31:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 17:31:23,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-11-13 17:31:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1198 transitions. [2021-11-13 17:31:23,401 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.846045197740113 [2021-11-13 17:31:23,401 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1198 transitions. [2021-11-13 17:31:23,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1198 transitions. [2021-11-13 17:31:23,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:23,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1198 transitions. [2021-11-13 17:31:23,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 99.83333333333333) internal successors, (1198), 12 states have internal predecessors, (1198), 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) [2021-11-13 17:31:23,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 118.0) internal successors, (1534), 13 states have internal predecessors, (1534), 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) [2021-11-13 17:31:23,413 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 118.0) internal successors, (1534), 13 states have internal predecessors, (1534), 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) [2021-11-13 17:31:23,413 INFO L186 Difference]: Start difference. First operand has 139 places, 116 transitions, 324 flow. Second operand 12 states and 1198 transitions. [2021-11-13 17:31:23,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 148 transitions, 605 flow [2021-11-13 17:31:23,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 148 transitions, 519 flow, removed 38 selfloop flow, removed 7 redundant places. [2021-11-13 17:31:23,424 INFO L242 Difference]: Finished difference. Result has 141 places, 104 transitions, 310 flow [2021-11-13 17:31:23,424 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=310, PETRI_PLACES=141, PETRI_TRANSITIONS=104} [2021-11-13 17:31:23,425 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 18 predicate places. [2021-11-13 17:31:23,425 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 104 transitions, 310 flow [2021-11-13 17:31:23,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 97.0909090909091) internal successors, (1068), 11 states have internal predecessors, (1068), 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) [2021-11-13 17:31:23,426 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:23,427 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:23,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:23,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:23,644 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:23,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:23,645 INFO L85 PathProgramCache]: Analyzing trace with hash -102223383, now seen corresponding path program 1 times [2021-11-13 17:31:23,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:23,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981325158] [2021-11-13 17:31:23,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:23,646 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:23,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:23,647 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:23,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 17:31:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:23,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 17:31:23,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:24,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:24,334 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:24,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981325158] [2021-11-13 17:31:24,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981325158] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:24,336 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:24,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-13 17:31:24,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487870278] [2021-11-13 17:31:24,337 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:24,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 17:31:24,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:24,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 17:31:24,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:31:24,341 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 118 [2021-11-13 17:31:24,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 104 transitions, 310 flow. Second operand has 10 states, 10 states have (on average 97.5) internal successors, (975), 10 states have internal predecessors, (975), 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) [2021-11-13 17:31:24,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:24,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 118 [2021-11-13 17:31:24,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:24,615 INFO L129 PetriNetUnfolder]: 72/391 cut-off events. [2021-11-13 17:31:24,615 INFO L130 PetriNetUnfolder]: For 237/249 co-relation queries the response was YES. [2021-11-13 17:31:24,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 802 conditions, 391 events. 72/391 cut-off events. For 237/249 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1840 event pairs, 16 based on Foata normal form. 1/383 useless extension candidates. Maximal degree in co-relation 754. Up to 62 conditions per place. [2021-11-13 17:31:24,620 INFO L132 encePairwiseOnDemand]: 111/118 looper letters, 24 selfloop transitions, 3 changer transitions 9/122 dead transitions. [2021-11-13 17:31:24,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 122 transitions, 424 flow [2021-11-13 17:31:24,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:31:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-13 17:31:24,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 702 transitions. [2021-11-13 17:31:24,624 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8498789346246973 [2021-11-13 17:31:24,625 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 702 transitions. [2021-11-13 17:31:24,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 702 transitions. [2021-11-13 17:31:24,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:24,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 702 transitions. [2021-11-13 17:31:24,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 100.28571428571429) internal successors, (702), 7 states have internal predecessors, (702), 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) [2021-11-13 17:31:24,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 118.0) internal successors, (944), 8 states have internal predecessors, (944), 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) [2021-11-13 17:31:24,632 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 118.0) internal successors, (944), 8 states have internal predecessors, (944), 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) [2021-11-13 17:31:24,633 INFO L186 Difference]: Start difference. First operand has 141 places, 104 transitions, 310 flow. Second operand 7 states and 702 transitions. [2021-11-13 17:31:24,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 122 transitions, 424 flow [2021-11-13 17:31:24,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 122 transitions, 349 flow, removed 19 selfloop flow, removed 15 redundant places. [2021-11-13 17:31:24,641 INFO L242 Difference]: Finished difference. Result has 120 places, 104 transitions, 251 flow [2021-11-13 17:31:24,641 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=251, PETRI_PLACES=120, PETRI_TRANSITIONS=104} [2021-11-13 17:31:24,643 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, -3 predicate places. [2021-11-13 17:31:24,643 INFO L470 AbstractCegarLoop]: Abstraction has has 120 places, 104 transitions, 251 flow [2021-11-13 17:31:24,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 97.5) internal successors, (975), 10 states have internal predecessors, (975), 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) [2021-11-13 17:31:24,644 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:24,645 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:24,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-13 17:31:24,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:24,851 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:24,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:24,852 INFO L85 PathProgramCache]: Analyzing trace with hash -2047427771, now seen corresponding path program 2 times [2021-11-13 17:31:24,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:24,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598854923] [2021-11-13 17:31:24,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 17:31:24,854 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:24,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:24,855 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 17:31:25,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 17:31:25,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:31:25,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:31:25,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:25,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:25,544 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:25,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598854923] [2021-11-13 17:31:25,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598854923] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:25,545 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:25,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-13 17:31:25,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007557991] [2021-11-13 17:31:25,546 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:25,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 17:31:25,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:25,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 17:31:25,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-13 17:31:25,550 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 118 [2021-11-13 17:31:25,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 104 transitions, 251 flow. Second operand has 12 states, 12 states have (on average 97.66666666666667) internal successors, (1172), 12 states have internal predecessors, (1172), 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) [2021-11-13 17:31:25,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:25,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 118 [2021-11-13 17:31:25,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:25,794 INFO L129 PetriNetUnfolder]: 26/246 cut-off events. [2021-11-13 17:31:25,795 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-11-13 17:31:25,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 246 events. 26/246 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 756 event pairs, 0 based on Foata normal form. 1/244 useless extension candidates. Maximal degree in co-relation 377. Up to 28 conditions per place. [2021-11-13 17:31:25,797 INFO L132 encePairwiseOnDemand]: 112/118 looper letters, 18 selfloop transitions, 1 changer transitions 12/117 dead transitions. [2021-11-13 17:31:25,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 117 transitions, 349 flow [2021-11-13 17:31:25,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:31:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-13 17:31:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 697 transitions. [2021-11-13 17:31:25,802 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8438256658595642 [2021-11-13 17:31:25,802 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 697 transitions. [2021-11-13 17:31:25,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 697 transitions. [2021-11-13 17:31:25,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:25,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 697 transitions. [2021-11-13 17:31:25,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 99.57142857142857) internal successors, (697), 7 states have internal predecessors, (697), 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) [2021-11-13 17:31:25,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 118.0) internal successors, (944), 8 states have internal predecessors, (944), 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) [2021-11-13 17:31:25,808 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 118.0) internal successors, (944), 8 states have internal predecessors, (944), 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) [2021-11-13 17:31:25,809 INFO L186 Difference]: Start difference. First operand has 120 places, 104 transitions, 251 flow. Second operand 7 states and 697 transitions. [2021-11-13 17:31:25,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 117 transitions, 349 flow [2021-11-13 17:31:25,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 117 transitions, 329 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-11-13 17:31:25,819 INFO L242 Difference]: Finished difference. Result has 122 places, 104 transitions, 250 flow [2021-11-13 17:31:25,820 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=250, PETRI_PLACES=122, PETRI_TRANSITIONS=104} [2021-11-13 17:31:25,821 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, -1 predicate places. [2021-11-13 17:31:25,821 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 104 transitions, 250 flow [2021-11-13 17:31:25,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 97.66666666666667) internal successors, (1172), 12 states have internal predecessors, (1172), 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) [2021-11-13 17:31:25,822 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:25,823 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:25,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:26,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:26,035 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:26,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:26,036 INFO L85 PathProgramCache]: Analyzing trace with hash 163695905, now seen corresponding path program 3 times [2021-11-13 17:31:26,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:26,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310318621] [2021-11-13 17:31:26,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 17:31:26,037 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:26,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:26,038 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:26,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 17:31:26,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-13 17:31:26,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:31:26,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 17:31:26,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:27,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:29,939 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:29,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310318621] [2021-11-13 17:31:29,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [310318621] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:29,940 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:29,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 19 [2021-11-13 17:31:29,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526911635] [2021-11-13 17:31:29,946 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:29,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-13 17:31:29,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:29,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-13 17:31:29,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-11-13 17:31:29,952 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 118 [2021-11-13 17:31:29,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 104 transitions, 250 flow. Second operand has 19 states, 19 states have (on average 90.42105263157895) internal successors, (1718), 19 states have internal predecessors, (1718), 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) [2021-11-13 17:31:29,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:31:29,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 118 [2021-11-13 17:31:29,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:31:30,740 INFO L129 PetriNetUnfolder]: 15/181 cut-off events. [2021-11-13 17:31:30,740 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-13 17:31:30,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 181 events. 15/181 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 385 event pairs, 0 based on Foata normal form. 1/180 useless extension candidates. Maximal degree in co-relation 269. Up to 16 conditions per place. [2021-11-13 17:31:30,742 INFO L132 encePairwiseOnDemand]: 105/118 looper letters, 17 selfloop transitions, 8 changer transitions 11/115 dead transitions. [2021-11-13 17:31:30,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 115 transitions, 352 flow [2021-11-13 17:31:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 17:31:30,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-11-13 17:31:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1533 transitions. [2021-11-13 17:31:30,749 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7642073778664008 [2021-11-13 17:31:30,749 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1533 transitions. [2021-11-13 17:31:30,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1533 transitions. [2021-11-13 17:31:30,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:30,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1533 transitions. [2021-11-13 17:31:30,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 90.17647058823529) internal successors, (1533), 17 states have internal predecessors, (1533), 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) [2021-11-13 17:31:30,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 118.0) internal successors, (2124), 18 states have internal predecessors, (2124), 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) [2021-11-13 17:31:30,762 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 118.0) internal successors, (2124), 18 states have internal predecessors, (2124), 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) [2021-11-13 17:31:30,762 INFO L186 Difference]: Start difference. First operand has 122 places, 104 transitions, 250 flow. Second operand 17 states and 1533 transitions. [2021-11-13 17:31:30,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 115 transitions, 352 flow [2021-11-13 17:31:30,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 115 transitions, 337 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-11-13 17:31:30,767 INFO L242 Difference]: Finished difference. Result has 136 places, 104 transitions, 277 flow [2021-11-13 17:31:30,767 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=277, PETRI_PLACES=136, PETRI_TRANSITIONS=104} [2021-11-13 17:31:30,768 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 13 predicate places. [2021-11-13 17:31:30,768 INFO L470 AbstractCegarLoop]: Abstraction has has 136 places, 104 transitions, 277 flow [2021-11-13 17:31:30,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 90.42105263157895) internal successors, (1718), 19 states have internal predecessors, (1718), 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) [2021-11-13 17:31:30,769 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:31:30,770 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:30,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:30,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:30,984 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:31:30,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:30,985 INFO L85 PathProgramCache]: Analyzing trace with hash -133330371, now seen corresponding path program 4 times [2021-11-13 17:31:30,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:30,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849533888] [2021-11-13 17:31:30,986 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 17:31:30,986 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:30,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:30,990 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:30,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 17:31:31,221 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 17:31:31,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 17:31:31,222 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:31,556 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-13 17:31:31,557 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 17:31:31,558 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-13 17:31:31,560 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-13 17:31:31,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-11-13 17:31:31,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-11-13 17:31:31,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-11-13 17:31:31,576 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-13 17:31:31,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:31,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:31,804 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1] [2021-11-13 17:31:31,810 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 17:31:31,810 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:31:31,983 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 17:31:31,988 INFO L158 Benchmark]: Toolchain (without parser) took 15339.66ms. Allocated memory was 62.9MB in the beginning and 169.9MB in the end (delta: 107.0MB). Free memory was 41.4MB in the beginning and 69.1MB in the end (delta: -27.7MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2021-11-13 17:31:31,989 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory was 44.4MB in the beginning and 44.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:31:31,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.09ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 32.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 17:31:31,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.84ms. Allocated memory is still 62.9MB. Free memory was 32.3MB in the beginning and 29.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 17:31:31,997 INFO L158 Benchmark]: Boogie Preprocessor took 94.69ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 29.3MB in the beginning and 62.2MB in the end (delta: -32.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-11-13 17:31:31,997 INFO L158 Benchmark]: RCFGBuilder took 1443.71ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 52.0MB in the end (delta: 10.2MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2021-11-13 17:31:31,998 INFO L158 Benchmark]: TraceAbstraction took 12885.76ms. Allocated memory was 81.8MB in the beginning and 169.9MB in the end (delta: 88.1MB). Free memory was 51.5MB in the beginning and 69.1MB in the end (delta: -17.7MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2021-11-13 17:31:32,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory was 44.4MB in the beginning and 44.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.09ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 32.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.84ms. Allocated memory is still 62.9MB. Free memory was 32.3MB in the beginning and 29.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.69ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 29.3MB in the beginning and 62.2MB in the end (delta: -32.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1443.71ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 52.0MB in the end (delta: 10.2MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12885.76ms. Allocated memory was 81.8MB in the beginning and 169.9MB in the end (delta: 88.1MB). Free memory was 51.5MB in the beginning and 69.1MB in the end (delta: -17.7MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 17:31:32,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a05447a-12fa-4238-a6c8-0148cd0e9097/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null