./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b699de581afb3d801299d89a35eee78f9e3cb86ad1a23fab537b92eb394c5e62 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:43:28,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:43:28,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:43:28,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:43:28,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:43:28,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:43:28,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:43:28,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:43:28,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:43:28,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:43:28,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:43:28,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:43:28,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:43:28,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:43:28,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:43:28,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:43:28,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:43:28,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:43:28,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:43:28,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:43:28,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:43:28,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:43:28,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:43:28,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:43:28,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:43:28,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:43:28,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:43:28,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:43:28,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:43:28,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:43:28,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:43:28,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:43:28,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:43:28,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:43:28,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:43:28,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:43:28,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:43:28,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:43:28,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:43:28,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:43:28,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:43:28,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-16 12:43:28,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:43:28,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:43:28,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:43:28,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:43:28,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:43:28,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:43:28,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:43:28,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:43:28,963 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:43:28,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:43:28,969 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:43:28,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:43:28,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:43:28,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:43:28,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:43:28,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:43:28,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:43:28,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:43:28,970 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 12:43:28,971 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:43:28,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:43:28,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:43:28,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:43:28,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:43:28,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:43:28,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:43:28,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:28,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:43:28,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:43:28,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:43:28,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:43:28,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:43:28,976 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:43:28,976 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:43:28,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:43:28,976 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_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b699de581afb3d801299d89a35eee78f9e3cb86ad1a23fab537b92eb394c5e62 [2022-11-16 12:43:29,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:43:29,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:43:29,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:43:29,292 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:43:29,293 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:43:29,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2022-11-16 12:43:29,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/data/891bbd0b2/4c933707652847e2926f60ad0c6588e8/FLAGac4ef38a4 [2022-11-16 12:43:29,920 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:43:29,923 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2022-11-16 12:43:29,932 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/data/891bbd0b2/4c933707652847e2926f60ad0c6588e8/FLAGac4ef38a4 [2022-11-16 12:43:30,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/data/891bbd0b2/4c933707652847e2926f60ad0c6588e8 [2022-11-16 12:43:30,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:43:30,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:43:30,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:30,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:43:30,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:43:30,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b116abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30, skipping insertion in model container [2022-11-16 12:43:30,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:43:30,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:43:30,517 WARN L229 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_fb99c880-320e-46f8-bbfc-8ab65575d56c/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2856,2869] [2022-11-16 12:43:30,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:30,527 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:43:30,550 WARN L229 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_fb99c880-320e-46f8-bbfc-8ab65575d56c/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2856,2869] [2022-11-16 12:43:30,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:30,565 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:43:30,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30 WrapperNode [2022-11-16 12:43:30,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:30,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:30,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:43:30,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:43:30,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,621 INFO L138 Inliner]: procedures = 22, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-11-16 12:43:30,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:30,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:43:30,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:43:30,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:43:30,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:43:30,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:43:30,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:43:30,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:43:30,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (1/1) ... [2022-11-16 12:43:30,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:30,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:30,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:30,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:43:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:43:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 12:43:30,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 12:43:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 12:43:30,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 12:43:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 12:43:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 12:43:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:43:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:43:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:43:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:43:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:43:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:43:30,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:43:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:43:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:43:30,765 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:43:30,936 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:43:30,938 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:43:31,245 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:43:31,341 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:43:31,341 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:43:31,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:31 BoogieIcfgContainer [2022-11-16 12:43:31,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:43:31,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:43:31,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:43:31,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:43:31,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:43:30" (1/3) ... [2022-11-16 12:43:31,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:31, skipping insertion in model container [2022-11-16 12:43:31,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:30" (2/3) ... [2022-11-16 12:43:31,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:31, skipping insertion in model container [2022-11-16 12:43:31,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:31" (3/3) ... [2022-11-16 12:43:31,356 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2022-11-16 12:43:31,365 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:43:31,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:43:31,376 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-16 12:43:31,376 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:43:31,511 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 12:43:31,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 140 transitions, 304 flow [2022-11-16 12:43:31,687 INFO L130 PetriNetUnfolder]: 16/137 cut-off events. [2022-11-16 12:43:31,688 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 12:43:31,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 137 events. 16/137 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 198 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 89. Up to 4 conditions per place. [2022-11-16 12:43:31,695 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 140 transitions, 304 flow [2022-11-16 12:43:31,705 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 116 transitions, 247 flow [2022-11-16 12:43:31,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:43:31,740 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2bb89fbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:43:31,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-16 12:43:31,760 INFO L130 PetriNetUnfolder]: 2/42 cut-off events. [2022-11-16 12:43:31,761 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:43:31,761 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:31,762 INFO L209 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] [2022-11-16 12:43:31,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-16 12:43:31,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:31,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2680901, now seen corresponding path program 1 times [2022-11-16 12:43:31,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:31,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725411231] [2022-11-16 12:43:31,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:31,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:32,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:32,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725411231] [2022-11-16 12:43:32,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725411231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:32,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:32,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:32,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197715724] [2022-11-16 12:43:32,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:32,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:32,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:32,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:32,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:32,221 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-16 12:43:32,225 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 116 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:32,225 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:32,225 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-16 12:43:32,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:32,631 INFO L130 PetriNetUnfolder]: 702/1162 cut-off events. [2022-11-16 12:43:32,631 INFO L131 PetriNetUnfolder]: For 205/206 co-relation queries the response was YES. [2022-11-16 12:43:32,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2223 conditions, 1162 events. 702/1162 cut-off events. For 205/206 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 5993 event pairs, 281 based on Foata normal form. 144/674 useless extension candidates. Maximal degree in co-relation 2074. Up to 918 conditions per place. [2022-11-16 12:43:32,651 INFO L137 encePairwiseOnDemand]: 118/140 looper letters, 27 selfloop transitions, 7 changer transitions 0/123 dead transitions. [2022-11-16 12:43:32,652 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 123 transitions, 341 flow [2022-11-16 12:43:32,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2022-11-16 12:43:32,673 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9023809523809524 [2022-11-16 12:43:32,675 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 379 transitions. [2022-11-16 12:43:32,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 379 transitions. [2022-11-16 12:43:32,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:32,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 379 transitions. [2022-11-16 12:43:32,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:32,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 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) [2022-11-16 12:43:32,700 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 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) [2022-11-16 12:43:32,702 INFO L175 Difference]: Start difference. First operand has 111 places, 116 transitions, 247 flow. Second operand 3 states and 379 transitions. [2022-11-16 12:43:32,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 123 transitions, 341 flow [2022-11-16 12:43:32,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 123 transitions, 325 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 12:43:32,715 INFO L231 Difference]: Finished difference. Result has 109 places, 119 transitions, 301 flow [2022-11-16 12:43:32,717 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=301, PETRI_PLACES=109, PETRI_TRANSITIONS=119} [2022-11-16 12:43:32,723 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -2 predicate places. [2022-11-16 12:43:32,724 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 119 transitions, 301 flow [2022-11-16 12:43:32,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:32,725 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:32,725 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:32,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:43:32,726 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-16 12:43:32,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:32,727 INFO L85 PathProgramCache]: Analyzing trace with hash -419708028, now seen corresponding path program 1 times [2022-11-16 12:43:32,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:32,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074750602] [2022-11-16 12:43:32,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:32,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:32,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:32,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074750602] [2022-11-16 12:43:32,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074750602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:32,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:32,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:43:32,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502514783] [2022-11-16 12:43:32,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:32,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:32,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:32,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:32,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:32,835 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2022-11-16 12:43:32,835 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 119 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:32,835 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:32,836 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2022-11-16 12:43:32,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:33,264 INFO L130 PetriNetUnfolder]: 1328/2391 cut-off events. [2022-11-16 12:43:33,264 INFO L131 PetriNetUnfolder]: For 316/582 co-relation queries the response was YES. [2022-11-16 12:43:33,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5337 conditions, 2391 events. 1328/2391 cut-off events. For 316/582 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 15250 event pairs, 590 based on Foata normal form. 0/1431 useless extension candidates. Maximal degree in co-relation 2369. Up to 1412 conditions per place. [2022-11-16 12:43:33,343 INFO L137 encePairwiseOnDemand]: 134/140 looper letters, 45 selfloop transitions, 5 changer transitions 0/137 dead transitions. [2022-11-16 12:43:33,344 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 137 transitions, 470 flow [2022-11-16 12:43:33,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:33,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2022-11-16 12:43:33,348 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8690476190476191 [2022-11-16 12:43:33,348 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2022-11-16 12:43:33,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2022-11-16 12:43:33,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:33,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2022-11-16 12:43:33,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:33,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 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) [2022-11-16 12:43:33,355 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 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) [2022-11-16 12:43:33,355 INFO L175 Difference]: Start difference. First operand has 109 places, 119 transitions, 301 flow. Second operand 3 states and 365 transitions. [2022-11-16 12:43:33,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 137 transitions, 470 flow [2022-11-16 12:43:33,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 137 transitions, 459 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:43:33,362 INFO L231 Difference]: Finished difference. Result has 112 places, 121 transitions, 324 flow [2022-11-16 12:43:33,363 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=112, PETRI_TRANSITIONS=121} [2022-11-16 12:43:33,364 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 1 predicate places. [2022-11-16 12:43:33,365 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 121 transitions, 324 flow [2022-11-16 12:43:33,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:33,365 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:33,366 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:33,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:43:33,366 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-16 12:43:33,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:33,368 INFO L85 PathProgramCache]: Analyzing trace with hash -419707994, now seen corresponding path program 1 times [2022-11-16 12:43:33,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:33,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114410973] [2022-11-16 12:43:33,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:33,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:33,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:33,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114410973] [2022-11-16 12:43:33,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114410973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:33,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:33,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:33,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704722079] [2022-11-16 12:43:33,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:33,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:33,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:33,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:33,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:33,539 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-16 12:43:33,539 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 121 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:33,539 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:33,540 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-16 12:43:33,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:33,783 INFO L130 PetriNetUnfolder]: 686/1244 cut-off events. [2022-11-16 12:43:33,784 INFO L131 PetriNetUnfolder]: For 155/425 co-relation queries the response was YES. [2022-11-16 12:43:33,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2918 conditions, 1244 events. 686/1244 cut-off events. For 155/425 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6592 event pairs, 245 based on Foata normal form. 0/675 useless extension candidates. Maximal degree in co-relation 2198. Up to 835 conditions per place. [2022-11-16 12:43:33,801 INFO L137 encePairwiseOnDemand]: 136/140 looper letters, 26 selfloop transitions, 1 changer transitions 0/118 dead transitions. [2022-11-16 12:43:33,802 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 118 transitions, 366 flow [2022-11-16 12:43:33,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:33,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2022-11-16 12:43:33,805 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8357142857142857 [2022-11-16 12:43:33,805 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2022-11-16 12:43:33,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2022-11-16 12:43:33,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:33,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2022-11-16 12:43:33,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:33,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 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) [2022-11-16 12:43:33,809 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 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) [2022-11-16 12:43:33,809 INFO L175 Difference]: Start difference. First operand has 112 places, 121 transitions, 324 flow. Second operand 3 states and 351 transitions. [2022-11-16 12:43:33,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 118 transitions, 366 flow [2022-11-16 12:43:33,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 118 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:43:33,814 INFO L231 Difference]: Finished difference. Result has 109 places, 118 transitions, 304 flow [2022-11-16 12:43:33,814 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=109, PETRI_TRANSITIONS=118} [2022-11-16 12:43:33,817 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -2 predicate places. [2022-11-16 12:43:33,817 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 118 transitions, 304 flow [2022-11-16 12:43:33,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:33,817 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:33,818 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:33,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:43:33,818 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-16 12:43:33,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:33,819 INFO L85 PathProgramCache]: Analyzing trace with hash 553683141, now seen corresponding path program 1 times [2022-11-16 12:43:33,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:33,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062756869] [2022-11-16 12:43:33,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:33,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:34,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:34,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062756869] [2022-11-16 12:43:34,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062756869] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:43:34,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86199100] [2022-11-16 12:43:34,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:34,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:43:34,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:34,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:43:34,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:43:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:34,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:43:34,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:34,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:43:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:34,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86199100] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:43:34,409 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:43:34,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-11-16 12:43:34,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308397825] [2022-11-16 12:43:34,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:43:34,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:43:34,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:34,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:43:34,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:43:34,416 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-16 12:43:34,418 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 118 transitions, 304 flow. Second operand has 8 states, 8 states have (on average 110.5) internal successors, (884), 8 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:34,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:34,422 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-16 12:43:34,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:35,284 INFO L130 PetriNetUnfolder]: 2060/4957 cut-off events. [2022-11-16 12:43:35,284 INFO L131 PetriNetUnfolder]: For 921/1247 co-relation queries the response was YES. [2022-11-16 12:43:35,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9560 conditions, 4957 events. 2060/4957 cut-off events. For 921/1247 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 40044 event pairs, 112 based on Foata normal form. 2/3428 useless extension candidates. Maximal degree in co-relation 9543. Up to 1887 conditions per place. [2022-11-16 12:43:35,352 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 52 selfloop transitions, 49 changer transitions 0/192 dead transitions. [2022-11-16 12:43:35,352 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 192 transitions, 784 flow [2022-11-16 12:43:35,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:43:35,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-11-16 12:43:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1007 transitions. [2022-11-16 12:43:35,360 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8991071428571429 [2022-11-16 12:43:35,360 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1007 transitions. [2022-11-16 12:43:35,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1007 transitions. [2022-11-16 12:43:35,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:35,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1007 transitions. [2022-11-16 12:43:35,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 125.875) internal successors, (1007), 8 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:35,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 140.0) internal successors, (1260), 9 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:35,406 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 140.0) internal successors, (1260), 9 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:35,406 INFO L175 Difference]: Start difference. First operand has 109 places, 118 transitions, 304 flow. Second operand 8 states and 1007 transitions. [2022-11-16 12:43:35,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 192 transitions, 784 flow [2022-11-16 12:43:35,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 192 transitions, 783 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:43:35,413 INFO L231 Difference]: Finished difference. Result has 121 places, 166 transitions, 780 flow [2022-11-16 12:43:35,413 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=780, PETRI_PLACES=121, PETRI_TRANSITIONS=166} [2022-11-16 12:43:35,414 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 10 predicate places. [2022-11-16 12:43:35,414 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 166 transitions, 780 flow [2022-11-16 12:43:35,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 110.5) internal successors, (884), 8 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:35,415 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:35,415 INFO L209 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] [2022-11-16 12:43:35,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:35,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:43:35,622 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-16 12:43:35,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:35,622 INFO L85 PathProgramCache]: Analyzing trace with hash -2119641331, now seen corresponding path program 1 times [2022-11-16 12:43:35,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:35,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499837582] [2022-11-16 12:43:35,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:35,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:35,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:35,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499837582] [2022-11-16 12:43:35,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499837582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:35,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:35,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:43:35,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934270639] [2022-11-16 12:43:35,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:35,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:43:35,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:35,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:43:35,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:43:35,750 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-16 12:43:35,751 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 166 transitions, 780 flow. Second operand has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:35,752 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:35,752 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-16 12:43:35,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:37,112 INFO L130 PetriNetUnfolder]: 3112/7815 cut-off events. [2022-11-16 12:43:37,112 INFO L131 PetriNetUnfolder]: For 17917/19364 co-relation queries the response was YES. [2022-11-16 12:43:37,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21259 conditions, 7815 events. 3112/7815 cut-off events. For 17917/19364 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 69630 event pairs, 160 based on Foata normal form. 267/6774 useless extension candidates. Maximal degree in co-relation 21235. Up to 2718 conditions per place. [2022-11-16 12:43:37,234 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 94 selfloop transitions, 31 changer transitions 0/216 dead transitions. [2022-11-16 12:43:37,234 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 216 transitions, 1407 flow [2022-11-16 12:43:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:43:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-16 12:43:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 486 transitions. [2022-11-16 12:43:37,236 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8678571428571429 [2022-11-16 12:43:37,236 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 486 transitions. [2022-11-16 12:43:37,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 486 transitions. [2022-11-16 12:43:37,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:37,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 486 transitions. [2022-11-16 12:43:37,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 121.5) internal successors, (486), 4 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:37,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 140.0) internal successors, (700), 5 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:37,240 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 140.0) internal successors, (700), 5 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:37,240 INFO L175 Difference]: Start difference. First operand has 121 places, 166 transitions, 780 flow. Second operand 4 states and 486 transitions. [2022-11-16 12:43:37,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 216 transitions, 1407 flow [2022-11-16 12:43:37,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 216 transitions, 1293 flow, removed 57 selfloop flow, removed 0 redundant places. [2022-11-16 12:43:37,284 INFO L231 Difference]: Finished difference. Result has 126 places, 190 transitions, 1103 flow [2022-11-16 12:43:37,284 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=714, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1103, PETRI_PLACES=126, PETRI_TRANSITIONS=190} [2022-11-16 12:43:37,285 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 15 predicate places. [2022-11-16 12:43:37,285 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 190 transitions, 1103 flow [2022-11-16 12:43:37,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:37,286 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:37,286 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:37,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:43:37,286 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-16 12:43:37,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:37,287 INFO L85 PathProgramCache]: Analyzing trace with hash 656933821, now seen corresponding path program 1 times [2022-11-16 12:43:37,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:37,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246090904] [2022-11-16 12:43:37,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:37,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:37,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:37,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246090904] [2022-11-16 12:43:37,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246090904] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:43:37,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601832556] [2022-11-16 12:43:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:37,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:43:37,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:37,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:43:37,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:43:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:37,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 12:43:37,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:37,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:43:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:37,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601832556] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:43:37,650 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:43:37,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-16 12:43:37,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107625618] [2022-11-16 12:43:37,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:43:37,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:43:37,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:37,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:43:37,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:43:37,653 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-16 12:43:37,654 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 190 transitions, 1103 flow. Second operand has 9 states, 9 states have (on average 110.66666666666667) internal successors, (996), 9 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:37,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:37,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-16 12:43:37,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:42,104 INFO L130 PetriNetUnfolder]: 9325/26479 cut-off events. [2022-11-16 12:43:42,105 INFO L131 PetriNetUnfolder]: For 106004/109467 co-relation queries the response was YES. [2022-11-16 12:43:42,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71122 conditions, 26479 events. 9325/26479 cut-off events. For 106004/109467 co-relation queries the response was YES. Maximal size of possible extension queue 794. Compared 295282 event pairs, 179 based on Foata normal form. 1358/23582 useless extension candidates. Maximal degree in co-relation 71094. Up to 5295 conditions per place. [2022-11-16 12:43:42,663 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 140 selfloop transitions, 216 changer transitions 0/447 dead transitions. [2022-11-16 12:43:42,663 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 447 transitions, 4098 flow [2022-11-16 12:43:42,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:43:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-16 12:43:42,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1126 transitions. [2022-11-16 12:43:42,670 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8936507936507937 [2022-11-16 12:43:42,670 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1126 transitions. [2022-11-16 12:43:42,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1126 transitions. [2022-11-16 12:43:42,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:42,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1126 transitions. [2022-11-16 12:43:42,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 125.11111111111111) internal successors, (1126), 9 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:42,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 140.0) internal successors, (1400), 10 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:42,682 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 140.0) internal successors, (1400), 10 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:42,683 INFO L175 Difference]: Start difference. First operand has 126 places, 190 transitions, 1103 flow. Second operand 9 states and 1126 transitions. [2022-11-16 12:43:42,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 447 transitions, 4098 flow [2022-11-16 12:43:42,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 447 transitions, 4091 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:43:42,875 INFO L231 Difference]: Finished difference. Result has 139 places, 382 transitions, 4115 flow [2022-11-16 12:43:42,876 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=1096, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4115, PETRI_PLACES=139, PETRI_TRANSITIONS=382} [2022-11-16 12:43:42,877 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 28 predicate places. [2022-11-16 12:43:42,877 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 382 transitions, 4115 flow [2022-11-16 12:43:42,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 110.66666666666667) internal successors, (996), 9 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:42,878 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:42,878 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:42,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:43,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:43:43,084 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-16 12:43:43,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:43,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1609626941, now seen corresponding path program 1 times [2022-11-16 12:43:43,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:43,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315223093] [2022-11-16 12:43:43,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:43,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:43,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:43,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315223093] [2022-11-16 12:43:43,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315223093] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:43:43,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818685340] [2022-11-16 12:43:43,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:43,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:43:43,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:43,241 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:43:43,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 12:43:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:43,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:43:43,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:43,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:43:43,573 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:43,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818685340] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:43:43,573 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:43:43,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-16 12:43:43,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841691836] [2022-11-16 12:43:43,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:43:43,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:43:43,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:43,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:43:43,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=68, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:43:43,578 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-16 12:43:43,580 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 382 transitions, 4115 flow. Second operand has 12 states, 12 states have (on average 110.5) internal successors, (1326), 12 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:43,580 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:43,580 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-16 12:43:43,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:52,235 INFO L130 PetriNetUnfolder]: 19024/57401 cut-off events. [2022-11-16 12:43:52,235 INFO L131 PetriNetUnfolder]: For 576148/590530 co-relation queries the response was YES. [2022-11-16 12:43:52,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158669 conditions, 57401 events. 19024/57401 cut-off events. For 576148/590530 co-relation queries the response was YES. Maximal size of possible extension queue 1449. Compared 729997 event pairs, 253 based on Foata normal form. 9007/57686 useless extension candidates. Maximal degree in co-relation 158634. Up to 10690 conditions per place. [2022-11-16 12:43:53,348 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 272 selfloop transitions, 584 changer transitions 0/947 dead transitions. [2022-11-16 12:43:53,349 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 947 transitions, 11815 flow [2022-11-16 12:43:53,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 12:43:53,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-16 12:43:53,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1482 transitions. [2022-11-16 12:43:53,356 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8821428571428571 [2022-11-16 12:43:53,357 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1482 transitions. [2022-11-16 12:43:53,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1482 transitions. [2022-11-16 12:43:53,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:53,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1482 transitions. [2022-11-16 12:43:53,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 123.5) internal successors, (1482), 12 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:53,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 140.0) internal successors, (1820), 13 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:53,370 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 140.0) internal successors, (1820), 13 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:53,370 INFO L175 Difference]: Start difference. First operand has 139 places, 382 transitions, 4115 flow. Second operand 12 states and 1482 transitions. [2022-11-16 12:43:53,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 947 transitions, 11815 flow [2022-11-16 12:43:54,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 947 transitions, 10892 flow, removed 458 selfloop flow, removed 1 redundant places. [2022-11-16 12:43:54,303 INFO L231 Difference]: Finished difference. Result has 153 places, 854 transitions, 11181 flow [2022-11-16 12:43:54,303 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=3119, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=11181, PETRI_PLACES=153, PETRI_TRANSITIONS=854} [2022-11-16 12:43:54,304 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 42 predicate places. [2022-11-16 12:43:54,304 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 854 transitions, 11181 flow [2022-11-16 12:43:54,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 110.5) internal successors, (1326), 12 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:54,305 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:54,306 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:54,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:54,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:43:54,517 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-16 12:43:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:54,517 INFO L85 PathProgramCache]: Analyzing trace with hash -876256375, now seen corresponding path program 1 times [2022-11-16 12:43:54,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:54,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113721217] [2022-11-16 12:43:54,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:54,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:43:54,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:54,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113721217] [2022-11-16 12:43:54,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113721217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:54,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:54,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:43:54,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336304026] [2022-11-16 12:43:54,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:54,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:54,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:54,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:54,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:54,583 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2022-11-16 12:43:54,584 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 854 transitions, 11181 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:54,584 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:54,584 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2022-11-16 12:43:54,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:58,430 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 98#L75true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:43:58,430 INFO L383 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-11-16 12:43:58,430 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 12:43:58,430 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 12:43:58,430 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 12:43:58,431 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:43:58,431 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-16 12:43:58,431 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:43:58,431 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:43:58,431 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:43:58,818 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, 91#L76true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 142#true, Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:43:58,818 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-16 12:43:58,818 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:43:58,818 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:43:58,818 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:43:58,923 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, 91#L76true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:43:58,923 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-16 12:43:58,923 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:43:58,923 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:43:58,923 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:43:58,923 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:43:58,924 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 98#L75true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:43:58,924 INFO L383 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-11-16 12:43:58,924 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 12:43:58,924 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 12:43:58,924 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 12:43:58,924 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 12:43:59,639 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:43:59,639 INFO L383 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2022-11-16 12:43:59,639 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 12:43:59,639 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:43:59,639 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:44:00,198 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][273], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 183#(<= 0 ~pos~0), Black: 602#(< ~pos~0 2147483644), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-16 12:44:00,198 INFO L383 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2022-11-16 12:44:00,198 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 12:44:00,198 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:44:00,198 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:00,199 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:44:00,199 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-16 12:44:00,199 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:44:00,199 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:44:00,199 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:44:00,200 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:44:00,404 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][273], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-16 12:44:00,404 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-16 12:44:00,404 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 12:44:00,404 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:44:00,405 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:00,405 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 12:44:00,405 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 142#true, Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:44:00,405 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-16 12:44:00,405 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:44:00,405 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:44:00,406 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 12:44:00,406 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:44:00,406 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:01,734 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][273], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 183#(<= 0 ~pos~0), Black: 602#(< ~pos~0 2147483644), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-16 12:44:01,734 INFO L383 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-11-16 12:44:01,734 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-16 12:44:01,734 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:44:01,734 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 12:44:01,735 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:44:01,735 INFO L383 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2022-11-16 12:44:01,735 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 12:44:01,735 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:44:01,735 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:01,735 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:44:01,748 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:44:01,748 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-16 12:44:01,748 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:44:01,748 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:44:01,749 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 12:44:01,836 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][273], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 567#(< ~pos~0 2147483647), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 589#(< ~pos~0 2147483645), 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), 757#(<= 0 ~pos~0), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-16 12:44:01,836 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-16 12:44:01,837 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-16 12:44:01,837 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-16 12:44:01,837 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:44:01,837 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 12:44:01,837 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 142#true, Black: 589#(< ~pos~0 2147483645), 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:44:01,837 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-16 12:44:01,837 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 12:44:01,837 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 12:44:01,837 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:44:01,837 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:01,838 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:44:03,199 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:44:03,199 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-16 12:44:03,199 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:03,199 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 12:44:03,199 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:05,582 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:44:05,582 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-16 12:44:05,582 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:44:05,583 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:44:05,583 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:44:05,583 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 12:44:05,583 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([389] L44-->thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW: Formula: (and (= |v_thread1Thread1of1ForFork2_#t~post1_1| v_~pos~0_85) (not (<= |v_thread1Thread1of1ForFork2_#t~post1_1| 2147483646))) InVars {~pos~0=v_~pos~0_85} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_1|, ~pos~0=v_~pos~0_85} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1][666], [408#true, thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 567#(< ~pos~0 2147483647), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 589#(< ~pos~0 2147483645), 15#thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-16 12:44:05,583 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-16 12:44:05,583 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:05,583 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 12:44:05,583 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:44:05,584 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][667], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 183#(<= 0 ~pos~0), Black: 602#(< ~pos~0 2147483644), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-16 12:44:05,584 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-16 12:44:05,584 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 12:44:05,584 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 12:44:05,584 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:06,735 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([415] L70-->L72: Formula: (and (<= 0 (+ v_~pos~0_96 2147483646)) (= (+ 2 v_~pos~0_95) v_~pos~0_96) (<= v_~pos~0_96 2147483649)) InVars {~pos~0=v_~pos~0_96} OutVars{~pos~0=v_~pos~0_95} AuxVars[] AssignedVars[~pos~0][366], [thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), 69#L72true, Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 142#true, Black: 404#(<= ~pos~0 2), 96#L122-2true, 589#(< ~pos~0 2147483645), 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 966#(< 0 (+ ~pos~0 2147483646)), 294#(< 0 (+ 2147483647 ~pos~0)), 728#(<= 0 (+ ~pos~0 2)), 401#true]) [2022-11-16 12:44:06,735 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-16 12:44:06,735 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 12:44:06,736 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:06,736 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 12:44:06,778 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([415] L70-->L72: Formula: (and (<= 0 (+ v_~pos~0_96 2147483646)) (= (+ 2 v_~pos~0_95) v_~pos~0_96) (<= v_~pos~0_96 2147483649)) InVars {~pos~0=v_~pos~0_96} OutVars{~pos~0=v_~pos~0_95} AuxVars[] AssignedVars[~pos~0][366], [thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 69#L72true, Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 404#(<= ~pos~0 2), 96#L122-2true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 589#(< ~pos~0 2147483645), 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 966#(< 0 (+ ~pos~0 2147483646)), 294#(< 0 (+ 2147483647 ~pos~0)), 728#(<= 0 (+ ~pos~0 2)), 401#true]) [2022-11-16 12:44:06,778 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-16 12:44:06,778 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 12:44:06,778 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:06,778 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-16 12:44:07,491 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:44:07,491 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-16 12:44:07,492 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:07,492 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:07,492 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 12:44:07,492 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:07,492 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([389] L44-->thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW: Formula: (and (= |v_thread1Thread1of1ForFork2_#t~post1_1| v_~pos~0_85) (not (<= |v_thread1Thread1of1ForFork2_#t~post1_1| 2147483646))) InVars {~pos~0=v_~pos~0_85} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_1|, ~pos~0=v_~pos~0_85} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1][666], [408#true, thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), 15#thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-16 12:44:07,493 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-16 12:44:07,493 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 12:44:07,493 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 12:44:07,493 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:07,493 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][667], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-16 12:44:07,493 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-16 12:44:07,494 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:07,494 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 12:44:07,494 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 12:44:11,571 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true, 55#L66true]) [2022-11-16 12:44:11,572 INFO L383 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2022-11-16 12:44:11,572 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:44:11,572 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 12:44:11,572 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:12,982 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-16 12:44:12,982 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-16 12:44:12,982 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-16 12:44:12,982 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:12,982 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:12,983 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 12:44:12,983 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:12,983 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([389] L44-->thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW: Formula: (and (= |v_thread1Thread1of1ForFork2_#t~post1_1| v_~pos~0_85) (not (<= |v_thread1Thread1of1ForFork2_#t~post1_1| 2147483646))) InVars {~pos~0=v_~pos~0_85} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_1|, ~pos~0=v_~pos~0_85} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1][666], [408#true, thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 567#(< ~pos~0 2147483647), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 589#(< ~pos~0 2147483645), 15#thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-16 12:44:12,983 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-16 12:44:12,983 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-16 12:44:12,983 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 12:44:12,983 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 12:44:12,984 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:12,984 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][667], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 183#(<= 0 ~pos~0), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 589#(< ~pos~0 2147483645), 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-16 12:44:12,984 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-16 12:44:12,984 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:12,984 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-16 12:44:12,984 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 12:44:12,984 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 12:44:13,946 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][222], [408#true, thread3Thread1of1ForFork1InUse, 88#L97-1true, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), 757#(<= 0 ~pos~0), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-16 12:44:13,946 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-16 12:44:13,947 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-16 12:44:13,947 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-16 12:44:13,947 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-16 12:44:13,947 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 88#L97-1true, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-16 12:44:13,948 INFO L383 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-11-16 12:44:13,948 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 12:44:13,948 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-16 12:44:13,948 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-16 12:44:15,878 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 139#(= ~pos~0 0), Black: 154#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true, 55#L66true]) [2022-11-16 12:44:15,879 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-16 12:44:15,879 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:15,879 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 12:44:15,879 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:15,927 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([433] L88-->L94: Formula: (and (<= v_~pos~0_80 2147483645) (<= 0 (+ 2147483650 v_~pos~0_80)) (= (+ 2 v_~pos~0_80) v_~pos~0_79)) InVars {~pos~0=v_~pos~0_80} OutVars{~pos~0=v_~pos~0_79} AuxVars[] AssignedVars[~pos~0][417], [408#true, thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), 1074#true, Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 96#L122-2true, Black: 729#(<= 0 (+ ~pos~0 4)), 52#L94true, Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-16 12:44:15,927 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-16 12:44:15,927 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 12:44:15,928 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-16 12:44:15,928 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:15,928 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([436] L92-->L94: Formula: (and (<= v_~pos~0_60 2147483649) (= (+ 2 v_~pos~0_59) v_~pos~0_60) (<= 0 (+ v_~pos~0_60 2147483646))) InVars {~pos~0=v_~pos~0_60} OutVars{~pos~0=v_~pos~0_59} AuxVars[] AssignedVars[~pos~0][416], [thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), 1074#true, Black: 142#true, Black: 404#(<= ~pos~0 2), 96#L122-2true, 589#(< ~pos~0 2147483645), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), 52#L94true, Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 966#(< 0 (+ ~pos~0 2147483646)), 294#(< 0 (+ 2147483647 ~pos~0)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 728#(<= 0 (+ ~pos~0 2)), 401#true]) [2022-11-16 12:44:15,928 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-16 12:44:15,928 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 12:44:15,928 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:15,928 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-16 12:44:16,903 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([433] L88-->L94: Formula: (and (<= v_~pos~0_80 2147483645) (<= 0 (+ 2147483650 v_~pos~0_80)) (= (+ 2 v_~pos~0_80) v_~pos~0_79)) InVars {~pos~0=v_~pos~0_80} OutVars{~pos~0=v_~pos~0_79} AuxVars[] AssignedVars[~pos~0][417], [408#true, thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 183#(<= 0 ~pos~0), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), 1074#true, Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 96#L122-2true, Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), 52#L94true, Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-16 12:44:16,903 INFO L383 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2022-11-16 12:44:16,903 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:16,904 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 12:44:16,904 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-16 12:44:16,904 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([436] L92-->L94: Formula: (and (<= v_~pos~0_60 2147483649) (= (+ 2 v_~pos~0_59) v_~pos~0_60) (<= 0 (+ v_~pos~0_60 2147483646))) InVars {~pos~0=v_~pos~0_60} OutVars{~pos~0=v_~pos~0_59} AuxVars[] AssignedVars[~pos~0][416], [thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), 1074#true, Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 404#(<= ~pos~0 2), 96#L122-2true, 589#(< ~pos~0 2147483645), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), 52#L94true, Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 966#(< 0 (+ ~pos~0 2147483646)), 294#(< 0 (+ 2147483647 ~pos~0)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 728#(<= 0 (+ ~pos~0 2)), 401#true]) [2022-11-16 12:44:16,904 INFO L383 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2022-11-16 12:44:16,904 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 12:44:16,904 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 12:44:16,904 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-16 12:44:20,396 INFO L130 PetriNetUnfolder]: 52979/137987 cut-off events. [2022-11-16 12:44:20,396 INFO L131 PetriNetUnfolder]: For 933962/964791 co-relation queries the response was YES. [2022-11-16 12:44:21,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 444334 conditions, 137987 events. 52979/137987 cut-off events. For 933962/964791 co-relation queries the response was YES. Maximal size of possible extension queue 4258. Compared 1896548 event pairs, 4528 based on Foata normal form. 3746/116860 useless extension candidates. Maximal degree in co-relation 444292. Up to 32246 conditions per place. [2022-11-16 12:44:22,549 INFO L137 encePairwiseOnDemand]: 134/140 looper letters, 1181 selfloop transitions, 5 changer transitions 0/1311 dead transitions. [2022-11-16 12:44:22,549 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 1311 transitions, 20076 flow [2022-11-16 12:44:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:44:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:44:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2022-11-16 12:44:22,552 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8547619047619047 [2022-11-16 12:44:22,553 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 359 transitions. [2022-11-16 12:44:22,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 359 transitions. [2022-11-16 12:44:22,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:44:22,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 359 transitions. [2022-11-16 12:44:22,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:44:22,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 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) [2022-11-16 12:44:22,557 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 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) [2022-11-16 12:44:22,558 INFO L175 Difference]: Start difference. First operand has 153 places, 854 transitions, 11181 flow. Second operand 3 states and 359 transitions. [2022-11-16 12:44:22,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 1311 transitions, 20076 flow [2022-11-16 12:44:30,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 1311 transitions, 19597 flow, removed 217 selfloop flow, removed 3 redundant places. [2022-11-16 12:44:30,306 INFO L231 Difference]: Finished difference. Result has 154 places, 856 transitions, 10912 flow [2022-11-16 12:44:30,307 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=10882, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=854, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=849, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=10912, PETRI_PLACES=154, PETRI_TRANSITIONS=856} [2022-11-16 12:44:30,307 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 43 predicate places. [2022-11-16 12:44:30,307 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 856 transitions, 10912 flow [2022-11-16 12:44:30,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:44:30,308 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:44:30,308 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:44:30,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:44:30,309 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-16 12:44:30,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:30,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1594903617, now seen corresponding path program 1 times [2022-11-16 12:44:30,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:30,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067307062] [2022-11-16 12:44:30,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:30,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:30,427 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:44:30,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:30,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067307062] [2022-11-16 12:44:30,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067307062] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:44:30,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641566151] [2022-11-16 12:44:30,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:30,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:44:30,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:30,433 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:44:30,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb99c880-320e-46f8-bbfc-8ab65575d56c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 12:44:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:30,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 12:44:30,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:44:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:44:30,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:44:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:44:30,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641566151] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:44:30,737 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:44:30,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-16 12:44:30,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401260405] [2022-11-16 12:44:30,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:44:30,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 12:44:30,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:30,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 12:44:30,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:44:30,743 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-16 12:44:30,745 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 856 transitions, 10912 flow. Second operand has 11 states, 11 states have (on average 110.63636363636364) internal successors, (1217), 11 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:44:30,746 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:44:30,746 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-16 12:44:30,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand