./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c --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_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/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_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/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_57734a71-aeec-497c-ab2f-811429f240c3/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 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:06:10,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:06:10,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:06:10,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:06:10,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:06:10,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:06:10,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:06:10,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:06:10,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:06:10,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:06:10,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:06:10,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:06:10,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:06:10,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:06:10,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:06:10,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:06:10,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:06:10,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:06:10,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:06:10,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:06:10,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:06:10,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:06:10,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:06:10,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:06:10,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:06:10,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:06:10,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:06:10,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:06:10,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:06:10,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:06:10,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:06:10,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:06:10,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:06:10,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:06:10,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:06:10,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:06:10,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:06:10,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:06:10,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:06:10,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:06:10,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:06:10,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:06:10,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:06:10,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:06:11,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:06:11,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:06:11,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:06:11,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:06:11,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:06:11,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:06:11,009 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:06:11,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:06:11,010 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:06:11,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:06:11,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:06:11,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:06:11,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:06:11,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:06:11,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:06:11,011 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:06:11,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:06:11,011 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:06:11,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:06:11,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:06:11,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:06:11,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:06:11,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:06:11,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:06:11,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:06:11,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:06:11,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:06:11,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:06:11,013 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:06:11,013 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:06:11,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:06:11,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:06:11,014 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_57734a71-aeec-497c-ab2f-811429f240c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 [2021-11-13 18:06:11,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:06:11,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:06:11,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:06:11,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:06:11,361 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:06:11,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2021-11-13 18:06:11,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/data/3b72b788d/91d562d78d954f27a4f195c42303a134/FLAGfd3deca69 [2021-11-13 18:06:11,985 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:06:11,986 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2021-11-13 18:06:11,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/data/3b72b788d/91d562d78d954f27a4f195c42303a134/FLAGfd3deca69 [2021-11-13 18:06:12,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/data/3b72b788d/91d562d78d954f27a4f195c42303a134 [2021-11-13 18:06:12,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:06:12,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:06:12,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:06:12,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:06:12,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:06:12,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52cf4a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12, skipping insertion in model container [2021-11-13 18:06:12,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:06:12,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:06:12,654 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_57734a71-aeec-497c-ab2f-811429f240c3/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2021-11-13 18:06:12,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:06:12,669 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:06:12,706 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_57734a71-aeec-497c-ab2f-811429f240c3/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2021-11-13 18:06:12,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:06:12,741 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:06:12,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12 WrapperNode [2021-11-13 18:06:12,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:06:12,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:06:12,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:06:12,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:06:12,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:06:12,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:06:12,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:06:12,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:06:12,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:06:12,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:06:12,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:06:12,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:06:12,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12" (1/1) ... [2021-11-13 18:06:12,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:06:12,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:12,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:12,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:06:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-13 18:06:12,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-13 18:06:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-13 18:06:12,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-13 18:06:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-13 18:06:12,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-13 18:06:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-13 18:06:12,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-13 18:06:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:06:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:06:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:06:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 18:06:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 18:06:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:06:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:06:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:06:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:06:12,956 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 18:06:13,545 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:06:13,545 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 18:06:13,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:06:13 BoogieIcfgContainer [2021-11-13 18:06:13,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:06:13,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:06:13,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:06:13,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:06:13,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:06:12" (1/3) ... [2021-11-13 18:06:13,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b7cd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:06:13, skipping insertion in model container [2021-11-13 18:06:13,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:12" (2/3) ... [2021-11-13 18:06:13,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b7cd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:06:13, skipping insertion in model container [2021-11-13 18:06:13,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:06:13" (3/3) ... [2021-11-13 18:06:13,561 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2021-11-13 18:06:13,569 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 18:06:13,569 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:06:13,569 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:06:13,569 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 18:06:13,663 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,663 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,664 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,664 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,664 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,664 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,666 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,667 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,668 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,668 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,679 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,679 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,680 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,680 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,680 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,680 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,682 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,683 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,683 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,683 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,683 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,684 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,685 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,685 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,685 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,686 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,686 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,686 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,687 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,687 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,687 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,687 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,688 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,688 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,688 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,688 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,689 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,689 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,689 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,689 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,690 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,690 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,690 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,690 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,695 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,696 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,696 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,697 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,704 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,704 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,706 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,706 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,707 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,712 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,716 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,716 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,716 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,716 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,717 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,717 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,717 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,722 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:06:13,742 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-13 18:06:13,829 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:06:13,842 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 18:06:13,842 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-13 18:06:13,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 124 transitions, 280 flow [2021-11-13 18:06:13,995 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2021-11-13 18:06:13,995 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-13 18:06:14,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 120 events. 9/120 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 97 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2021-11-13 18:06:14,005 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 124 transitions, 280 flow [2021-11-13 18:06:14,014 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 107 transitions, 238 flow [2021-11-13 18:06:14,076 INFO L129 PetriNetUnfolder]: 9/106 cut-off events. [2021-11-13 18:06:14,076 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-13 18:06:14,076 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:14,077 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:14,078 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-13 18:06:14,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:14,088 INFO L85 PathProgramCache]: Analyzing trace with hash -835718213, now seen corresponding path program 1 times [2021-11-13 18:06:14,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:14,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085685950] [2021-11-13 18:06:14,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:14,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:14,840 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 18:06:14,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:14,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085685950] [2021-11-13 18:06:14,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085685950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:14,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:14,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:06:14,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021017092] [2021-11-13 18:06:14,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:14,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:06:14,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:14,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:06:14,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:06:14,907 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 124 [2021-11-13 18:06:14,916 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 107 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 0 states have call successors, (0), 0 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 18:06:14,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:14,917 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 124 [2021-11-13 18:06:14,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:15,314 INFO L129 PetriNetUnfolder]: 107/494 cut-off events. [2021-11-13 18:06:15,315 INFO L130 PetriNetUnfolder]: For 115/116 co-relation queries the response was YES. [2021-11-13 18:06:15,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 494 events. 107/494 cut-off events. For 115/116 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2247 event pairs, 24 based on Foata normal form. 136/564 useless extension candidates. Maximal degree in co-relation 525. Up to 124 conditions per place. [2021-11-13 18:06:15,331 INFO L132 encePairwiseOnDemand]: 109/124 looper letters, 32 selfloop transitions, 5 changer transitions 8/128 dead transitions. [2021-11-13 18:06:15,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 128 transitions, 406 flow [2021-11-13 18:06:15,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:06:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-13 18:06:15,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 856 transitions. [2021-11-13 18:06:15,368 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8629032258064516 [2021-11-13 18:06:15,369 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 856 transitions. [2021-11-13 18:06:15,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 856 transitions. [2021-11-13 18:06:15,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:15,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 856 transitions. [2021-11-13 18:06:15,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 107.0) internal successors, (856), 8 states have internal predecessors, (856), 0 states have call successors, (0), 0 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 18:06:15,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 124.0) internal successors, (1116), 9 states have internal predecessors, (1116), 0 states have call successors, (0), 0 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 18:06:15,397 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 124.0) internal successors, (1116), 9 states have internal predecessors, (1116), 0 states have call successors, (0), 0 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 18:06:15,400 INFO L186 Difference]: Start difference. First operand has 111 places, 107 transitions, 238 flow. Second operand 8 states and 856 transitions. [2021-11-13 18:06:15,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 128 transitions, 406 flow [2021-11-13 18:06:15,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 128 transitions, 366 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-11-13 18:06:15,412 INFO L242 Difference]: Finished difference. Result has 114 places, 104 transitions, 249 flow [2021-11-13 18:06:15,415 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=249, PETRI_PLACES=114, PETRI_TRANSITIONS=104} [2021-11-13 18:06:15,420 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 3 predicate places. [2021-11-13 18:06:15,420 INFO L470 AbstractCegarLoop]: Abstraction has has 114 places, 104 transitions, 249 flow [2021-11-13 18:06:15,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 0 states have call successors, (0), 0 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 18:06:15,421 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:15,422 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 18:06:15,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:06:15,422 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-13 18:06:15,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:15,423 INFO L85 PathProgramCache]: Analyzing trace with hash 365170717, now seen corresponding path program 1 times [2021-11-13 18:06:15,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:15,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115356601] [2021-11-13 18:06:15,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:15,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:15,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:15,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115356601] [2021-11-13 18:06:15,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115356601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:15,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:15,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:06:15,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073754186] [2021-11-13 18:06:15,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:15,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:06:15,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:15,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:06:15,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:06:15,598 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-13 18:06:15,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 104 transitions, 249 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:06:15,600 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:15,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-13 18:06:15,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:18,034 INFO L129 PetriNetUnfolder]: 6233/11726 cut-off events. [2021-11-13 18:06:18,035 INFO L130 PetriNetUnfolder]: For 1563/1563 co-relation queries the response was YES. [2021-11-13 18:06:18,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22312 conditions, 11726 events. 6233/11726 cut-off events. For 1563/1563 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 96468 event pairs, 2937 based on Foata normal form. 0/9031 useless extension candidates. Maximal degree in co-relation 22289. Up to 3632 conditions per place. [2021-11-13 18:06:18,295 INFO L132 encePairwiseOnDemand]: 117/124 looper letters, 83 selfloop transitions, 6 changer transitions 0/162 dead transitions. [2021-11-13 18:06:18,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 162 transitions, 602 flow [2021-11-13 18:06:18,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:06:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:06:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 620 transitions. [2021-11-13 18:06:18,311 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-11-13 18:06:18,311 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 620 transitions. [2021-11-13 18:06:18,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 620 transitions. [2021-11-13 18:06:18,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:18,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 620 transitions. [2021-11-13 18:06:18,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.33333333333333) internal successors, (620), 6 states have internal predecessors, (620), 0 states have call successors, (0), 0 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 18:06:18,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:18,321 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:18,321 INFO L186 Difference]: Start difference. First operand has 114 places, 104 transitions, 249 flow. Second operand 6 states and 620 transitions. [2021-11-13 18:06:18,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 162 transitions, 602 flow [2021-11-13 18:06:18,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 162 transitions, 598 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-11-13 18:06:18,336 INFO L242 Difference]: Finished difference. Result has 115 places, 107 transitions, 277 flow [2021-11-13 18:06:18,337 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=277, PETRI_PLACES=115, PETRI_TRANSITIONS=107} [2021-11-13 18:06:18,338 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 4 predicate places. [2021-11-13 18:06:18,338 INFO L470 AbstractCegarLoop]: Abstraction has has 115 places, 107 transitions, 277 flow [2021-11-13 18:06:18,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:06:18,339 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:18,340 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 18:06:18,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:06:18,341 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-13 18:06:18,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:18,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1177269511, now seen corresponding path program 2 times [2021-11-13 18:06:18,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:18,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578976572] [2021-11-13 18:06:18,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:18,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:18,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:18,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578976572] [2021-11-13 18:06:18,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578976572] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:06:18,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43258471] [2021-11-13 18:06:18,540 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:06:18,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:06:18,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:18,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:06:18,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 18:06:18,702 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:06:18,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:06:18,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:06:18,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:06:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:19,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:06:19,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:19,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43258471] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:06:19,373 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:06:19,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2021-11-13 18:06:19,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968222321] [2021-11-13 18:06:19,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:06:19,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:06:19,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:19,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:06:19,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:06:19,382 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-13 18:06:19,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 107 transitions, 277 flow. Second operand has 9 states, 9 states have (on average 93.11111111111111) internal successors, (838), 9 states have internal predecessors, (838), 0 states have call successors, (0), 0 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 18:06:19,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:19,385 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-13 18:06:19,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:22,370 INFO L129 PetriNetUnfolder]: 10141/15803 cut-off events. [2021-11-13 18:06:22,371 INFO L130 PetriNetUnfolder]: For 5123/5155 co-relation queries the response was YES. [2021-11-13 18:06:22,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35365 conditions, 15803 events. 10141/15803 cut-off events. For 5123/5155 co-relation queries the response was YES. Maximal size of possible extension queue 846. Compared 113133 event pairs, 1088 based on Foata normal form. 192/13136 useless extension candidates. Maximal degree in co-relation 29374. Up to 2334 conditions per place. [2021-11-13 18:06:22,607 INFO L132 encePairwiseOnDemand]: 116/124 looper letters, 177 selfloop transitions, 28 changer transitions 1/279 dead transitions. [2021-11-13 18:06:22,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 279 transitions, 1237 flow [2021-11-13 18:06:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 18:06:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-13 18:06:22,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1452 transitions. [2021-11-13 18:06:22,614 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.836405529953917 [2021-11-13 18:06:22,615 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1452 transitions. [2021-11-13 18:06:22,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1452 transitions. [2021-11-13 18:06:22,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:22,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1452 transitions. [2021-11-13 18:06:22,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 103.71428571428571) internal successors, (1452), 14 states have internal predecessors, (1452), 0 states have call successors, (0), 0 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 18:06:22,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 124.0) internal successors, (1860), 15 states have internal predecessors, (1860), 0 states have call successors, (0), 0 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 18:06:22,632 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 124.0) internal successors, (1860), 15 states have internal predecessors, (1860), 0 states have call successors, (0), 0 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 18:06:22,632 INFO L186 Difference]: Start difference. First operand has 115 places, 107 transitions, 277 flow. Second operand 14 states and 1452 transitions. [2021-11-13 18:06:22,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 279 transitions, 1237 flow [2021-11-13 18:06:22,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 279 transitions, 1222 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 18:06:22,667 INFO L242 Difference]: Finished difference. Result has 133 places, 135 transitions, 470 flow [2021-11-13 18:06:22,668 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=470, PETRI_PLACES=133, PETRI_TRANSITIONS=135} [2021-11-13 18:06:22,671 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 22 predicate places. [2021-11-13 18:06:22,671 INFO L470 AbstractCegarLoop]: Abstraction has has 133 places, 135 transitions, 470 flow [2021-11-13 18:06:22,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 93.11111111111111) internal successors, (838), 9 states have internal predecessors, (838), 0 states have call successors, (0), 0 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 18:06:22,672 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:22,673 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 18:06:22,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:22,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:06:22,887 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-13 18:06:22,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:22,888 INFO L85 PathProgramCache]: Analyzing trace with hash -290999237, now seen corresponding path program 3 times [2021-11-13 18:06:22,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:22,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555978467] [2021-11-13 18:06:22,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:22,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:23,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:23,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555978467] [2021-11-13 18:06:23,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555978467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:23,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:23,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:06:23,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776514606] [2021-11-13 18:06:23,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:23,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:06:23,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:23,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:06:23,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:06:23,037 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-13 18:06:23,038 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 135 transitions, 470 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:06:23,038 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:23,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-13 18:06:23,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:27,073 INFO L129 PetriNetUnfolder]: 13768/22840 cut-off events. [2021-11-13 18:06:27,073 INFO L130 PetriNetUnfolder]: For 26912/28031 co-relation queries the response was YES. [2021-11-13 18:06:27,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58648 conditions, 22840 events. 13768/22840 cut-off events. For 26912/28031 co-relation queries the response was YES. Maximal size of possible extension queue 1310. Compared 188633 event pairs, 4285 based on Foata normal form. 1060/20635 useless extension candidates. Maximal degree in co-relation 43866. Up to 9840 conditions per place. [2021-11-13 18:06:27,565 INFO L132 encePairwiseOnDemand]: 116/124 looper letters, 115 selfloop transitions, 21 changer transitions 1/222 dead transitions. [2021-11-13 18:06:27,566 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 222 transitions, 1098 flow [2021-11-13 18:06:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:06:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:06:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 642 transitions. [2021-11-13 18:06:27,572 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8629032258064516 [2021-11-13 18:06:27,572 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 642 transitions. [2021-11-13 18:06:27,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 642 transitions. [2021-11-13 18:06:27,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:27,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 642 transitions. [2021-11-13 18:06:27,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 0 states have call successors, (0), 0 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 18:06:27,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:27,583 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:27,584 INFO L186 Difference]: Start difference. First operand has 133 places, 135 transitions, 470 flow. Second operand 6 states and 642 transitions. [2021-11-13 18:06:27,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 222 transitions, 1098 flow [2021-11-13 18:06:27,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 222 transitions, 1092 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-11-13 18:06:27,836 INFO L242 Difference]: Finished difference. Result has 140 places, 149 transitions, 594 flow [2021-11-13 18:06:27,837 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=594, PETRI_PLACES=140, PETRI_TRANSITIONS=149} [2021-11-13 18:06:27,839 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 29 predicate places. [2021-11-13 18:06:27,840 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 149 transitions, 594 flow [2021-11-13 18:06:27,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:06:27,841 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:27,841 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 18:06:27,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:06:27,842 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-13 18:06:27,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:27,844 INFO L85 PathProgramCache]: Analyzing trace with hash -551484583, now seen corresponding path program 1 times [2021-11-13 18:06:27,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:27,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049794695] [2021-11-13 18:06:27,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:27,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:27,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:27,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:27,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049794695] [2021-11-13 18:06:27,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049794695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:27,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:27,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:06:27,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93227113] [2021-11-13 18:06:27,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:27,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:06:27,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:27,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:06:27,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:06:27,947 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-13 18:06:27,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 149 transitions, 594 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:06:27,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:27,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-13 18:06:27,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:31,727 INFO L129 PetriNetUnfolder]: 16121/28229 cut-off events. [2021-11-13 18:06:31,727 INFO L130 PetriNetUnfolder]: For 39584/41423 co-relation queries the response was YES. [2021-11-13 18:06:31,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77396 conditions, 28229 events. 16121/28229 cut-off events. For 39584/41423 co-relation queries the response was YES. Maximal size of possible extension queue 1663. Compared 256255 event pairs, 7338 based on Foata normal form. 1500/28138 useless extension candidates. Maximal degree in co-relation 58149. Up to 11933 conditions per place. [2021-11-13 18:06:32,226 INFO L132 encePairwiseOnDemand]: 117/124 looper letters, 74 selfloop transitions, 19 changer transitions 13/195 dead transitions. [2021-11-13 18:06:32,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 195 transitions, 985 flow [2021-11-13 18:06:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:06:32,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:06:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 617 transitions. [2021-11-13 18:06:32,231 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8293010752688172 [2021-11-13 18:06:32,232 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 617 transitions. [2021-11-13 18:06:32,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 617 transitions. [2021-11-13 18:06:32,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:32,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 617 transitions. [2021-11-13 18:06:32,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 102.83333333333333) internal successors, (617), 6 states have internal predecessors, (617), 0 states have call successors, (0), 0 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 18:06:32,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:32,239 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:32,239 INFO L186 Difference]: Start difference. First operand has 140 places, 149 transitions, 594 flow. Second operand 6 states and 617 transitions. [2021-11-13 18:06:32,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 195 transitions, 985 flow [2021-11-13 18:06:32,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 195 transitions, 983 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-11-13 18:06:32,736 INFO L242 Difference]: Finished difference. Result has 147 places, 149 transitions, 639 flow [2021-11-13 18:06:32,737 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=639, PETRI_PLACES=147, PETRI_TRANSITIONS=149} [2021-11-13 18:06:32,738 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 36 predicate places. [2021-11-13 18:06:32,738 INFO L470 AbstractCegarLoop]: Abstraction has has 147 places, 149 transitions, 639 flow [2021-11-13 18:06:32,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:06:32,739 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:32,739 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 18:06:32,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:06:32,740 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-13 18:06:32,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:32,741 INFO L85 PathProgramCache]: Analyzing trace with hash -453112731, now seen corresponding path program 4 times [2021-11-13 18:06:32,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:32,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391642324] [2021-11-13 18:06:32,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:32,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:32,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:32,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391642324] [2021-11-13 18:06:32,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391642324] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:06:32,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842326597] [2021-11-13 18:06:32,845 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 18:06:32,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:06:32,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:32,847 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:06:32,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 18:06:32,946 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 18:06:32,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:06:32,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:06:32,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:06:33,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:33,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:06:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:33,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842326597] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:06:33,481 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:06:33,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2021-11-13 18:06:33,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700379171] [2021-11-13 18:06:33,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:06:33,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 18:06:33,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:33,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 18:06:33,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:06:33,486 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-13 18:06:33,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 149 transitions, 639 flow. Second operand has 11 states, 11 states have (on average 93.36363636363636) internal successors, (1027), 11 states have internal predecessors, (1027), 0 states have call successors, (0), 0 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 18:06:33,488 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:33,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-13 18:06:33,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:38,556 INFO L129 PetriNetUnfolder]: 18450/33118 cut-off events. [2021-11-13 18:06:38,556 INFO L130 PetriNetUnfolder]: For 49627/50222 co-relation queries the response was YES. [2021-11-13 18:06:38,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90983 conditions, 33118 events. 18450/33118 cut-off events. For 49627/50222 co-relation queries the response was YES. Maximal size of possible extension queue 1889. Compared 309695 event pairs, 4958 based on Foata normal form. 668/32188 useless extension candidates. Maximal degree in co-relation 69617. Up to 7001 conditions per place. [2021-11-13 18:06:38,945 INFO L132 encePairwiseOnDemand]: 116/124 looper letters, 176 selfloop transitions, 46 changer transitions 0/299 dead transitions. [2021-11-13 18:06:38,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 299 transitions, 1847 flow [2021-11-13 18:06:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:06:38,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-13 18:06:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 956 transitions. [2021-11-13 18:06:38,949 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8566308243727598 [2021-11-13 18:06:38,950 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 956 transitions. [2021-11-13 18:06:38,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 956 transitions. [2021-11-13 18:06:38,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:38,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 956 transitions. [2021-11-13 18:06:38,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 106.22222222222223) internal successors, (956), 9 states have internal predecessors, (956), 0 states have call successors, (0), 0 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 18:06:38,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 124.0) internal successors, (1240), 10 states have internal predecessors, (1240), 0 states have call successors, (0), 0 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 18:06:38,960 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 124.0) internal successors, (1240), 10 states have internal predecessors, (1240), 0 states have call successors, (0), 0 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 18:06:38,961 INFO L186 Difference]: Start difference. First operand has 147 places, 149 transitions, 639 flow. Second operand 9 states and 956 transitions. [2021-11-13 18:06:38,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 299 transitions, 1847 flow [2021-11-13 18:06:39,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 299 transitions, 1799 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-11-13 18:06:39,381 INFO L242 Difference]: Finished difference. Result has 156 places, 171 transitions, 954 flow [2021-11-13 18:06:39,382 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=621, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=954, PETRI_PLACES=156, PETRI_TRANSITIONS=171} [2021-11-13 18:06:39,383 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 45 predicate places. [2021-11-13 18:06:39,383 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 171 transitions, 954 flow [2021-11-13 18:06:39,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 93.36363636363636) internal successors, (1027), 11 states have internal predecessors, (1027), 0 states have call successors, (0), 0 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 18:06:39,385 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:39,385 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 18:06:39,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:39,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57734a71-aeec-497c-ab2f-811429f240c3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-13 18:06:39,591 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-13 18:06:39,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:39,592 INFO L85 PathProgramCache]: Analyzing trace with hash -584767227, now seen corresponding path program 2 times [2021-11-13 18:06:39,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:39,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826734559] [2021-11-13 18:06:39,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:39,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:39,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:39,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:39,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826734559] [2021-11-13 18:06:39,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826734559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:39,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:39,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:06:39,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027694690] [2021-11-13 18:06:39,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:39,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:06:39,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:39,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:06:39,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:06:39,671 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-13 18:06:39,672 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 171 transitions, 954 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:06:39,672 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:39,672 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-13 18:06:39,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:49,114 INFO L129 PetriNetUnfolder]: 36954/61959 cut-off events. [2021-11-13 18:06:49,114 INFO L130 PetriNetUnfolder]: For 183796/188821 co-relation queries the response was YES. [2021-11-13 18:06:49,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192980 conditions, 61959 events. 36954/61959 cut-off events. For 183796/188821 co-relation queries the response was YES. Maximal size of possible extension queue 3160. Compared 589323 event pairs, 14655 based on Foata normal form. 4613/63292 useless extension candidates. Maximal degree in co-relation 142433. Up to 25194 conditions per place. [2021-11-13 18:06:50,334 INFO L132 encePairwiseOnDemand]: 118/124 looper letters, 224 selfloop transitions, 23 changer transitions 4/344 dead transitions. [2021-11-13 18:06:50,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 344 transitions, 2927 flow [2021-11-13 18:06:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:06:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-13 18:06:50,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 530 transitions. [2021-11-13 18:06:50,337 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8548387096774194 [2021-11-13 18:06:50,337 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 530 transitions. [2021-11-13 18:06:50,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 530 transitions. [2021-11-13 18:06:50,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:50,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 530 transitions. [2021-11-13 18:06:50,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 106.0) internal successors, (530), 5 states have internal predecessors, (530), 0 states have call successors, (0), 0 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 18:06:50,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 0 states have call successors, (0), 0 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 18:06:50,344 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 0 states have call successors, (0), 0 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 18:06:50,344 INFO L186 Difference]: Start difference. First operand has 156 places, 171 transitions, 954 flow. Second operand 5 states and 530 transitions. [2021-11-13 18:06:50,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 344 transitions, 2927 flow [2021-11-13 18:06:51,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 344 transitions, 2911 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-11-13 18:06:51,785 INFO L242 Difference]: Finished difference. Result has 163 places, 192 transitions, 1297 flow [2021-11-13 18:06:51,786 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=944, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1297, PETRI_PLACES=163, PETRI_TRANSITIONS=192} [2021-11-13 18:06:51,787 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 52 predicate places. [2021-11-13 18:06:51,787 INFO L470 AbstractCegarLoop]: Abstraction has has 163 places, 192 transitions, 1297 flow [2021-11-13 18:06:51,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:06:51,787 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:51,788 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 18:06:51,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 18:06:51,788 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-13 18:06:51,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:51,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1402727025, now seen corresponding path program 3 times [2021-11-13 18:06:51,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:51,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990073637] [2021-11-13 18:06:51,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:51,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:51,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:51,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990073637] [2021-11-13 18:06:51,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990073637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:51,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:51,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:06:51,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362916541] [2021-11-13 18:06:51,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:51,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:06:51,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:51,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:06:51,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:06:51,865 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-13 18:06:51,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 192 transitions, 1297 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:06:51,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:51,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-13 18:06:51,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:07:02,513 INFO L129 PetriNetUnfolder]: 34646/62394 cut-off events. [2021-11-13 18:07:02,513 INFO L130 PetriNetUnfolder]: For 158440/160141 co-relation queries the response was YES. [2021-11-13 18:07:03,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197837 conditions, 62394 events. 34646/62394 cut-off events. For 158440/160141 co-relation queries the response was YES. Maximal size of possible extension queue 3110. Compared 649967 event pairs, 11610 based on Foata normal form. 1033/62297 useless extension candidates. Maximal degree in co-relation 175462. Up to 24446 conditions per place. [2021-11-13 18:07:03,398 INFO L132 encePairwiseOnDemand]: 117/124 looper letters, 136 selfloop transitions, 18 changer transitions 3/271 dead transitions. [2021-11-13 18:07:03,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 271 transitions, 2059 flow [2021-11-13 18:07:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:07:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:07:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 619 transitions. [2021-11-13 18:07:03,401 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.831989247311828 [2021-11-13 18:07:03,401 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 619 transitions. [2021-11-13 18:07:03,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 619 transitions. [2021-11-13 18:07:03,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:07:03,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 619 transitions. [2021-11-13 18:07:03,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.16666666666667) internal successors, (619), 6 states have internal predecessors, (619), 0 states have call successors, (0), 0 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 18:07:03,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:07:03,408 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:07:03,408 INFO L186 Difference]: Start difference. First operand has 163 places, 192 transitions, 1297 flow. Second operand 6 states and 619 transitions. [2021-11-13 18:07:03,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 271 transitions, 2059 flow [2021-11-13 18:07:07,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 271 transitions, 2059 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-13 18:07:07,673 INFO L242 Difference]: Finished difference. Result has 170 places, 193 transitions, 1347 flow [2021-11-13 18:07:07,673 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=1297, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1347, PETRI_PLACES=170, PETRI_TRANSITIONS=193} [2021-11-13 18:07:07,674 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 59 predicate places. [2021-11-13 18:07:07,675 INFO L470 AbstractCegarLoop]: Abstraction has has 170 places, 193 transitions, 1347 flow [2021-11-13 18:07:07,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:07:07,675 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:07:07,676 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 18:07:07,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 18:07:07,676 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-13 18:07:07,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:07,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1376975019, now seen corresponding path program 4 times [2021-11-13 18:07:07,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:07,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199400119] [2021-11-13 18:07:07,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:07,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:07,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:07:07,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:07,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199400119] [2021-11-13 18:07:07,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199400119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:07,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:07,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:07:07,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228157631] [2021-11-13 18:07:07,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:07,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:07:07,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:07,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:07:07,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:07:07,741 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-13 18:07:07,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 193 transitions, 1347 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:07:07,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:07:07,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-13 18:07:07,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:07:11,320 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 33#L73true, 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 40#L41-3true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 25#L65true, Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), 705#true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-13 18:07:11,320 INFO L384 tUnfolder$Statistics]: this new event has 56 ancestors and is cut-off event [2021-11-13 18:07:11,320 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-13 18:07:11,320 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-13 18:07:11,321 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-13 18:07:11,854 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 33#L73true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 25#L65true, Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:11,854 INFO L384 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2021-11-13 18:07:11,855 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:11,855 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:11,855 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:11,859 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 33#L73true, 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 40#L41-3true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), 705#true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-13 18:07:11,860 INFO L384 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2021-11-13 18:07:11,860 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:11,860 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:11,860 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:11,861 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 116#L76true, 40#L41-3true, 25#L65true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), 705#true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-13 18:07:11,861 INFO L384 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2021-11-13 18:07:11,861 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:11,862 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:11,862 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:12,556 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 33#L73true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:12,556 INFO L384 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,556 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,556 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,556 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,557 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 116#L76true, 25#L65true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:12,557 INFO L384 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,557 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,557 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,558 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,561 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 40#L41-3true, 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), 705#true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-13 18:07:12,561 INFO L384 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,561 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,561 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,562 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,562 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 40#L41-3true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 25#L65true, 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), 705#true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-13 18:07:12,563 INFO L384 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,563 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,563 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:12,563 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:13,618 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 705#true, 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:13,618 INFO L384 tUnfolder$Statistics]: this new event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,618 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,618 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,618 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,619 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 25#L65true, 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:13,619 INFO L384 tUnfolder$Statistics]: this new event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,619 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,619 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,619 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,623 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 40#L41-3true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 705#true, 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-13 18:07:13,623 INFO L384 tUnfolder$Statistics]: this new event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,623 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,624 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,624 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-13 18:07:13,752 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 131#true, Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1260#true, Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 82#thread3ENTRYtrue, Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:13,752 INFO L384 tUnfolder$Statistics]: this new event has 60 ancestors and is cut-off event [2021-11-13 18:07:13,753 INFO L387 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2021-11-13 18:07:13,753 INFO L387 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2021-11-13 18:07:13,753 INFO L387 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2021-11-13 18:07:14,266 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:14,266 INFO L384 tUnfolder$Statistics]: this new event has 60 ancestors and is cut-off event [2021-11-13 18:07:14,266 INFO L387 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2021-11-13 18:07:14,266 INFO L387 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2021-11-13 18:07:14,267 INFO L387 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2021-11-13 18:07:14,401 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 56#L62-4true, 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:14,401 INFO L384 tUnfolder$Statistics]: this new event has 61 ancestors and is cut-off event [2021-11-13 18:07:14,401 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-13 18:07:14,401 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-13 18:07:14,401 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-13 18:07:14,402 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 131#true, Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1260#true, Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 82#thread3ENTRYtrue, Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:14,402 INFO L384 tUnfolder$Statistics]: this new event has 61 ancestors and is cut-off event [2021-11-13 18:07:14,402 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-13 18:07:14,402 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-13 18:07:14,402 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-13 18:07:15,522 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 11#L62-5true, Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:15,522 INFO L384 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2021-11-13 18:07:15,522 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:15,522 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:15,523 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:15,523 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 131#true, Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 52#L63true, 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:15,524 INFO L384 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2021-11-13 18:07:15,524 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:15,524 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:15,524 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:15,524 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 56#L62-4true, 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:15,524 INFO L384 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2021-11-13 18:07:15,525 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:15,525 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:15,525 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-13 18:07:16,161 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 705#true, 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 12#L41-5true, 11#L62-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:16,161 INFO L384 tUnfolder$Statistics]: this new event has 63 ancestors and is cut-off event [2021-11-13 18:07:16,161 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:16,161 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:16,161 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:16,162 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 52#L63true, 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 705#true, 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-13 18:07:16,162 INFO L384 tUnfolder$Statistics]: this new event has 63 ancestors and is cut-off event [2021-11-13 18:07:16,162 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:16,162 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:16,162 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-13 18:07:22,987 INFO L129 PetriNetUnfolder]: 49827/85142 cut-off events. [2021-11-13 18:07:22,988 INFO L130 PetriNetUnfolder]: For 326628/335574 co-relation queries the response was YES. [2021-11-13 18:07:23,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 283664 conditions, 85142 events. 49827/85142 cut-off events. For 326628/335574 co-relation queries the response was YES. Maximal size of possible extension queue 4121. Compared 851886 event pairs, 20637 based on Foata normal form. 5633/88499 useless extension candidates. Maximal degree in co-relation 245112. Up to 33868 conditions per place. [2021-11-13 18:07:24,786 INFO L132 encePairwiseOnDemand]: 117/124 looper letters, 187 selfloop transitions, 12 changer transitions 6/331 dead transitions. [2021-11-13 18:07:24,786 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 331 transitions, 2757 flow [2021-11-13 18:07:24,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:07:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:07:24,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 616 transitions. [2021-11-13 18:07:24,790 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8279569892473119 [2021-11-13 18:07:24,790 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 616 transitions. [2021-11-13 18:07:24,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 616 transitions. [2021-11-13 18:07:24,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:07:24,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 616 transitions. [2021-11-13 18:07:24,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 102.66666666666667) internal successors, (616), 6 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 18:07:24,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:07:24,797 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:07:24,797 INFO L186 Difference]: Start difference. First operand has 170 places, 193 transitions, 1347 flow. Second operand 6 states and 616 transitions. [2021-11-13 18:07:24,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 331 transitions, 2757 flow [2021-11-13 18:07:27,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 331 transitions, 2721 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-13 18:07:27,998 INFO L242 Difference]: Finished difference. Result has 175 places, 196 transitions, 1377 flow [2021-11-13 18:07:27,999 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=1314, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1377, PETRI_PLACES=175, PETRI_TRANSITIONS=196} [2021-11-13 18:07:27,999 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 64 predicate places. [2021-11-13 18:07:28,000 INFO L470 AbstractCegarLoop]: Abstraction has has 175 places, 196 transitions, 1377 flow [2021-11-13 18:07:28,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 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 18:07:28,000 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:07:28,000 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 18:07:28,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 18:07:28,001 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-13 18:07:28,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:28,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1176667927, now seen corresponding path program 5 times [2021-11-13 18:07:28,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:28,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377772754] [2021-11-13 18:07:28,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:28,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:07:28,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:28,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377772754] [2021-11-13 18:07:28,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377772754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:28,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:28,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:07:28,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822097602] [2021-11-13 18:07:28,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:28,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:07:28,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:28,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:07:28,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:07:28,076 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-13 18:07:28,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 196 transitions, 1377 flow. Second operand has 6 states, 6 states have (on average 93.33333333333333) internal successors, (560), 6 states have internal predecessors, (560), 0 states have call successors, (0), 0 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 18:07:28,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:07:28,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-13 18:07:28,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand