./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/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_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 16:41:02,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:41:02,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:41:02,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:41:02,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:41:02,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:41:02,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:41:02,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:41:02,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:41:02,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:41:02,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:41:02,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:41:02,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:41:02,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:41:02,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:41:02,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:41:02,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:41:02,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:41:02,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:41:02,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:41:02,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:41:02,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:41:02,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:41:02,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:41:02,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:41:02,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:41:02,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:41:02,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:41:02,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:41:02,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:41:02,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:41:02,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:41:02,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:41:02,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:41:02,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:41:02,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:41:02,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:41:02,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:41:02,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:41:02,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:41:02,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:41:02,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 16:41:02,844 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:41:02,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:41:02,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:41:02,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:41:02,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:41:02,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:41:02,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:41:02,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:41:02,849 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:41:02,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:41:02,851 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:41:02,851 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:41:02,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:41:02,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:41:02,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:41:02,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:41:02,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:41:02,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:41:02,853 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:41:02,853 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:41:02,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:41:02,853 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:41:02,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:41:02,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:41:02,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:41:02,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:41:02,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:41:02,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:41:02,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:41:02,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:41:02,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:41:02,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:41:02,857 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:41:02,857 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:41:02,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:41:02,857 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_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b699de581afb3d801299d89a35eee78f9e3cb86ad1a23fab537b92eb394c5e62 [2022-11-21 16:41:03,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:41:03,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:41:03,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:41:03,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:41:03,261 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:41:03,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2022-11-21 16:41:06,675 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:41:06,951 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:41:06,952 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2022-11-21 16:41:06,961 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/data/05cacaa1f/2c385f7c211f47839497880a55f4be9b/FLAG108559007 [2022-11-21 16:41:06,977 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/data/05cacaa1f/2c385f7c211f47839497880a55f4be9b [2022-11-21 16:41:06,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:41:06,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:41:06,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:41:06,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:41:06,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:41:06,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:41:06" (1/1) ... [2022-11-21 16:41:06,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2746d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:06, skipping insertion in model container [2022-11-21 16:41:06,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:41:06" (1/1) ... [2022-11-21 16:41:07,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:41:07,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:41:07,341 WARN L237 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_791051a4-437e-4ccc-a45b-e0747b3e80d1/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2856,2869] [2022-11-21 16:41:07,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:41:07,372 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:41:07,434 WARN L237 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_791051a4-437e-4ccc-a45b-e0747b3e80d1/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2856,2869] [2022-11-21 16:41:07,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:41:07,459 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:41:07,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07 WrapperNode [2022-11-21 16:41:07,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:41:07,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:41:07,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:41:07,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:41:07,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (1/1) ... [2022-11-21 16:41:07,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (1/1) ... [2022-11-21 16:41:07,530 INFO L138 Inliner]: procedures = 22, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-11-21 16:41:07,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:41:07,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:41:07,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:41:07,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:41:07,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (1/1) ... [2022-11-21 16:41:07,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (1/1) ... [2022-11-21 16:41:07,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (1/1) ... [2022-11-21 16:41:07,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (1/1) ... [2022-11-21 16:41:07,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (1/1) ... [2022-11-21 16:41:07,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (1/1) ... [2022-11-21 16:41:07,590 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (1/1) ... [2022-11-21 16:41:07,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (1/1) ... [2022-11-21 16:41:07,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:41:07,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:41:07,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:41:07,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:41:07,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (1/1) ... [2022-11-21 16:41:07,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:41:07,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:41:07,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:41:07,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:41:07,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:41:07,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 16:41:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 16:41:07,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 16:41:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 16:41:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 16:41:07,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 16:41:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:41:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:41:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:41:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:41:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:41:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:41:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:41:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:41:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:41:07,712 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:41:07,882 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:41:07,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:41:08,371 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:41:08,502 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:41:08,503 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 16:41:08,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:41:08 BoogieIcfgContainer [2022-11-21 16:41:08,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:41:08,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:41:08,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:41:08,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:41:08,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:41:06" (1/3) ... [2022-11-21 16:41:08,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5f3f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:41:08, skipping insertion in model container [2022-11-21 16:41:08,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:07" (2/3) ... [2022-11-21 16:41:08,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5f3f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:41:08, skipping insertion in model container [2022-11-21 16:41:08,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:41:08" (3/3) ... [2022-11-21 16:41:08,529 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2022-11-21 16:41:08,552 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:41:08,566 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:41:08,567 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-21 16:41:08,567 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:41:08,677 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-21 16:41:08,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 140 transitions, 304 flow [2022-11-21 16:41:08,791 INFO L130 PetriNetUnfolder]: 16/137 cut-off events. [2022-11-21 16:41:08,792 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 16:41:08,800 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. [2022-11-21 16:41:08,800 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 140 transitions, 304 flow [2022-11-21 16:41:08,807 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 116 transitions, 247 flow [2022-11-21 16:41:08,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:41:08,828 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;@7b2d2dc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:41:08,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-21 16:41:08,844 INFO L130 PetriNetUnfolder]: 2/42 cut-off events. [2022-11-21 16:41:08,844 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:41:08,845 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:08,846 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] [2022-11-21 16:41:08,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-21 16:41:08,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:08,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2680901, now seen corresponding path program 1 times [2022-11-21 16:41:08,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:08,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150247207] [2022-11-21 16:41:08,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:08,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:09,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:09,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150247207] [2022-11-21 16:41:09,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150247207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:09,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:09,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:09,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832799248] [2022-11-21 16:41:09,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:09,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:09,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:09,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:09,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:09,353 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-21 16:41:09,357 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) [2022-11-21 16:41:09,358 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:09,358 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-21 16:41:09,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:09,993 INFO L130 PetriNetUnfolder]: 702/1162 cut-off events. [2022-11-21 16:41:09,994 INFO L131 PetriNetUnfolder]: For 205/206 co-relation queries the response was YES. [2022-11-21 16:41:10,012 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. [2022-11-21 16:41:10,036 INFO L137 encePairwiseOnDemand]: 118/140 looper letters, 27 selfloop transitions, 7 changer transitions 0/123 dead transitions. [2022-11-21 16:41:10,037 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 123 transitions, 341 flow [2022-11-21 16:41:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2022-11-21 16:41:10,055 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9023809523809524 [2022-11-21 16:41:10,056 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 379 transitions. [2022-11-21 16:41:10,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 379 transitions. [2022-11-21 16:41:10,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:10,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 379 transitions. [2022-11-21 16:41:10,065 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) [2022-11-21 16:41:10,071 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) [2022-11-21 16:41:10,072 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) [2022-11-21 16:41:10,074 INFO L175 Difference]: Start difference. First operand has 111 places, 116 transitions, 247 flow. Second operand 3 states and 379 transitions. [2022-11-21 16:41:10,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 123 transitions, 341 flow [2022-11-21 16:41:10,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 123 transitions, 325 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:41:10,086 INFO L231 Difference]: Finished difference. Result has 109 places, 119 transitions, 301 flow [2022-11-21 16:41:10,089 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} [2022-11-21 16:41:10,097 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -2 predicate places. [2022-11-21 16:41:10,097 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 119 transitions, 301 flow [2022-11-21 16:41:10,098 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) [2022-11-21 16:41:10,098 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:10,098 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] [2022-11-21 16:41:10,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:41:10,099 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-21 16:41:10,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:10,100 INFO L85 PathProgramCache]: Analyzing trace with hash -419708028, now seen corresponding path program 1 times [2022-11-21 16:41:10,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:10,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091878354] [2022-11-21 16:41:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:10,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:10,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:10,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091878354] [2022-11-21 16:41:10,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091878354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:10,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:10,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:41:10,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328067623] [2022-11-21 16:41:10,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:10,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:10,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:10,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:10,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:10,274 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2022-11-21 16:41:10,275 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) [2022-11-21 16:41:10,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:10,276 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2022-11-21 16:41:10,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:10,891 INFO L130 PetriNetUnfolder]: 1328/2391 cut-off events. [2022-11-21 16:41:10,891 INFO L131 PetriNetUnfolder]: For 316/582 co-relation queries the response was YES. [2022-11-21 16:41:10,904 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. [2022-11-21 16:41:10,928 INFO L137 encePairwiseOnDemand]: 134/140 looper letters, 45 selfloop transitions, 5 changer transitions 0/137 dead transitions. [2022-11-21 16:41:10,929 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 137 transitions, 470 flow [2022-11-21 16:41:10,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:10,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2022-11-21 16:41:10,935 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8690476190476191 [2022-11-21 16:41:10,936 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2022-11-21 16:41:10,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2022-11-21 16:41:10,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:10,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2022-11-21 16:41:10,939 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) [2022-11-21 16:41:10,943 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) [2022-11-21 16:41:10,944 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) [2022-11-21 16:41:10,944 INFO L175 Difference]: Start difference. First operand has 109 places, 119 transitions, 301 flow. Second operand 3 states and 365 transitions. [2022-11-21 16:41:10,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 137 transitions, 470 flow [2022-11-21 16:41:10,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 137 transitions, 459 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:10,953 INFO L231 Difference]: Finished difference. Result has 112 places, 121 transitions, 324 flow [2022-11-21 16:41:10,954 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} [2022-11-21 16:41:10,955 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 1 predicate places. [2022-11-21 16:41:10,955 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 121 transitions, 324 flow [2022-11-21 16:41:10,956 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) [2022-11-21 16:41:10,956 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:10,957 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] [2022-11-21 16:41:10,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:41:10,957 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-21 16:41:10,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:10,959 INFO L85 PathProgramCache]: Analyzing trace with hash -419707994, now seen corresponding path program 1 times [2022-11-21 16:41:10,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:10,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515462777] [2022-11-21 16:41:10,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:10,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:11,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:11,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515462777] [2022-11-21 16:41:11,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515462777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:11,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:11,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:41:11,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931333787] [2022-11-21 16:41:11,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:11,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:11,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:11,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:11,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:11,062 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-21 16:41:11,063 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) [2022-11-21 16:41:11,063 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:11,063 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-21 16:41:11,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:11,364 INFO L130 PetriNetUnfolder]: 686/1244 cut-off events. [2022-11-21 16:41:11,364 INFO L131 PetriNetUnfolder]: For 155/425 co-relation queries the response was YES. [2022-11-21 16:41:11,370 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. [2022-11-21 16:41:11,383 INFO L137 encePairwiseOnDemand]: 136/140 looper letters, 26 selfloop transitions, 1 changer transitions 0/118 dead transitions. [2022-11-21 16:41:11,383 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 118 transitions, 366 flow [2022-11-21 16:41:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:41:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:41:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2022-11-21 16:41:11,386 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8357142857142857 [2022-11-21 16:41:11,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2022-11-21 16:41:11,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2022-11-21 16:41:11,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:11,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2022-11-21 16:41:11,389 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) [2022-11-21 16:41:11,390 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) [2022-11-21 16:41:11,390 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) [2022-11-21 16:41:11,391 INFO L175 Difference]: Start difference. First operand has 112 places, 121 transitions, 324 flow. Second operand 3 states and 351 transitions. [2022-11-21 16:41:11,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 118 transitions, 366 flow [2022-11-21 16:41:11,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 118 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:41:11,396 INFO L231 Difference]: Finished difference. Result has 109 places, 118 transitions, 304 flow [2022-11-21 16:41:11,397 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} [2022-11-21 16:41:11,398 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -2 predicate places. [2022-11-21 16:41:11,398 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 118 transitions, 304 flow [2022-11-21 16:41:11,399 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) [2022-11-21 16:41:11,399 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:11,399 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] [2022-11-21 16:41:11,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:41:11,400 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-21 16:41:11,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:11,401 INFO L85 PathProgramCache]: Analyzing trace with hash 553683141, now seen corresponding path program 1 times [2022-11-21 16:41:11,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:11,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283702829] [2022-11-21 16:41:11,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:11,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:11,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:11,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283702829] [2022-11-21 16:41:11,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283702829] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:41:11,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149021055] [2022-11-21 16:41:11,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:11,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:41:11,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:41:11,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:41:11,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:41:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:11,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:41:11,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:41:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:11,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:41:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:11,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149021055] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:41:11,947 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:41:11,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-11-21 16:41:11,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611460882] [2022-11-21 16:41:11,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:41:11,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:41:11,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:11,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:41:11,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:41:11,953 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-21 16:41:11,955 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) [2022-11-21 16:41:11,958 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:11,958 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-21 16:41:11,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:12,868 INFO L130 PetriNetUnfolder]: 2060/4957 cut-off events. [2022-11-21 16:41:12,869 INFO L131 PetriNetUnfolder]: For 921/1247 co-relation queries the response was YES. [2022-11-21 16:41:12,897 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. [2022-11-21 16:41:12,947 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 52 selfloop transitions, 49 changer transitions 0/192 dead transitions. [2022-11-21 16:41:12,947 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 192 transitions, 784 flow [2022-11-21 16:41:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:41:12,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-11-21 16:41:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1007 transitions. [2022-11-21 16:41:12,956 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8991071428571429 [2022-11-21 16:41:12,956 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1007 transitions. [2022-11-21 16:41:12,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1007 transitions. [2022-11-21 16:41:12,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:12,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1007 transitions. [2022-11-21 16:41:12,960 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) [2022-11-21 16:41:12,963 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) [2022-11-21 16:41:12,964 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) [2022-11-21 16:41:12,964 INFO L175 Difference]: Start difference. First operand has 109 places, 118 transitions, 304 flow. Second operand 8 states and 1007 transitions. [2022-11-21 16:41:12,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 192 transitions, 784 flow [2022-11-21 16:41:12,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 192 transitions, 783 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:13,033 INFO L231 Difference]: Finished difference. Result has 121 places, 166 transitions, 780 flow [2022-11-21 16:41:13,034 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} [2022-11-21 16:41:13,035 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 10 predicate places. [2022-11-21 16:41:13,035 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 166 transitions, 780 flow [2022-11-21 16:41:13,036 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) [2022-11-21 16:41:13,036 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:13,036 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] [2022-11-21 16:41:13,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:41:13,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:41:13,248 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-21 16:41:13,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:13,248 INFO L85 PathProgramCache]: Analyzing trace with hash -2119641331, now seen corresponding path program 1 times [2022-11-21 16:41:13,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:13,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445149196] [2022-11-21 16:41:13,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:13,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:13,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:13,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445149196] [2022-11-21 16:41:13,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445149196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:13,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:13,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:41:13,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489402903] [2022-11-21 16:41:13,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:13,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:41:13,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:13,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:41:13,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:41:13,348 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-21 16:41:13,349 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) [2022-11-21 16:41:13,349 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:13,350 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-21 16:41:13,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:14,885 INFO L130 PetriNetUnfolder]: 3112/7815 cut-off events. [2022-11-21 16:41:14,885 INFO L131 PetriNetUnfolder]: For 17917/19364 co-relation queries the response was YES. [2022-11-21 16:41:14,943 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. [2022-11-21 16:41:15,018 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 94 selfloop transitions, 31 changer transitions 0/216 dead transitions. [2022-11-21 16:41:15,019 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 216 transitions, 1407 flow [2022-11-21 16:41:15,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:41:15,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-21 16:41:15,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 486 transitions. [2022-11-21 16:41:15,021 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8678571428571429 [2022-11-21 16:41:15,022 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 486 transitions. [2022-11-21 16:41:15,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 486 transitions. [2022-11-21 16:41:15,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:15,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 486 transitions. [2022-11-21 16:41:15,024 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) [2022-11-21 16:41:15,026 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) [2022-11-21 16:41:15,027 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) [2022-11-21 16:41:15,027 INFO L175 Difference]: Start difference. First operand has 121 places, 166 transitions, 780 flow. Second operand 4 states and 486 transitions. [2022-11-21 16:41:15,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 216 transitions, 1407 flow [2022-11-21 16:41:15,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 216 transitions, 1293 flow, removed 57 selfloop flow, removed 0 redundant places. [2022-11-21 16:41:15,079 INFO L231 Difference]: Finished difference. Result has 126 places, 190 transitions, 1103 flow [2022-11-21 16:41:15,080 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} [2022-11-21 16:41:15,083 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 15 predicate places. [2022-11-21 16:41:15,083 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 190 transitions, 1103 flow [2022-11-21 16:41:15,084 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) [2022-11-21 16:41:15,084 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:15,084 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] [2022-11-21 16:41:15,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:41:15,085 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-21 16:41:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:15,087 INFO L85 PathProgramCache]: Analyzing trace with hash 656933821, now seen corresponding path program 1 times [2022-11-21 16:41:15,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:15,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248472093] [2022-11-21 16:41:15,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:15,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:15,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:15,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248472093] [2022-11-21 16:41:15,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248472093] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:41:15,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776621734] [2022-11-21 16:41:15,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:15,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:41:15,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:41:15,288 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:41:15,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:41:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:15,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 16:41:15,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:41:15,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:15,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:41:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:15,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776621734] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:41:15,671 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:41:15,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-21 16:41:15,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937682642] [2022-11-21 16:41:15,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:41:15,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:41:15,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:15,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:41:15,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:41:15,684 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-21 16:41:15,686 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) [2022-11-21 16:41:15,686 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:15,687 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-21 16:41:15,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:21,257 INFO L130 PetriNetUnfolder]: 9325/26479 cut-off events. [2022-11-21 16:41:21,258 INFO L131 PetriNetUnfolder]: For 106004/109467 co-relation queries the response was YES. [2022-11-21 16:41:21,508 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. [2022-11-21 16:41:21,883 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 140 selfloop transitions, 216 changer transitions 0/447 dead transitions. [2022-11-21 16:41:21,884 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 447 transitions, 4098 flow [2022-11-21 16:41:21,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:41:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-21 16:41:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1126 transitions. [2022-11-21 16:41:21,891 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8936507936507937 [2022-11-21 16:41:21,892 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1126 transitions. [2022-11-21 16:41:21,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1126 transitions. [2022-11-21 16:41:21,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:21,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1126 transitions. [2022-11-21 16:41:21,899 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) [2022-11-21 16:41:21,902 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) [2022-11-21 16:41:21,905 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) [2022-11-21 16:41:21,905 INFO L175 Difference]: Start difference. First operand has 126 places, 190 transitions, 1103 flow. Second operand 9 states and 1126 transitions. [2022-11-21 16:41:21,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 447 transitions, 4098 flow [2022-11-21 16:41:22,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 447 transitions, 4091 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:22,142 INFO L231 Difference]: Finished difference. Result has 139 places, 382 transitions, 4115 flow [2022-11-21 16:41:22,143 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} [2022-11-21 16:41:22,146 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 28 predicate places. [2022-11-21 16:41:22,146 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 382 transitions, 4115 flow [2022-11-21 16:41:22,147 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) [2022-11-21 16:41:22,148 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:22,148 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] [2022-11-21 16:41:22,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:41:22,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-21 16:41:22,359 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-21 16:41:22,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:22,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1609626941, now seen corresponding path program 1 times [2022-11-21 16:41:22,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:22,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855421616] [2022-11-21 16:41:22,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:22,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:22,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:22,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855421616] [2022-11-21 16:41:22,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855421616] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:41:22,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271973753] [2022-11-21 16:41:22,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:22,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:41:22,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:41:22,626 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:41:22,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 16:41:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:22,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 16:41:22,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:41:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:22,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:41:23,040 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:41:23,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271973753] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:41:23,041 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:41:23,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-21 16:41:23,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216264604] [2022-11-21 16:41:23,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:41:23,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 16:41:23,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:23,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 16:41:23,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=68, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:41:23,047 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-21 16:41:23,050 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) [2022-11-21 16:41:23,050 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:23,051 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-21 16:41:23,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:34,477 INFO L130 PetriNetUnfolder]: 19024/57401 cut-off events. [2022-11-21 16:41:34,477 INFO L131 PetriNetUnfolder]: For 576148/590530 co-relation queries the response was YES. [2022-11-21 16:41:34,904 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. [2022-11-21 16:41:35,449 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 272 selfloop transitions, 584 changer transitions 0/947 dead transitions. [2022-11-21 16:41:35,449 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 947 transitions, 11815 flow [2022-11-21 16:41:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 16:41:35,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-21 16:41:35,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1482 transitions. [2022-11-21 16:41:35,467 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8821428571428571 [2022-11-21 16:41:35,467 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1482 transitions. [2022-11-21 16:41:35,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1482 transitions. [2022-11-21 16:41:35,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:41:35,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1482 transitions. [2022-11-21 16:41:35,472 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) [2022-11-21 16:41:35,477 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) [2022-11-21 16:41:35,482 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) [2022-11-21 16:41:35,483 INFO L175 Difference]: Start difference. First operand has 139 places, 382 transitions, 4115 flow. Second operand 12 states and 1482 transitions. [2022-11-21 16:41:35,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 947 transitions, 11815 flow [2022-11-21 16:41:36,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 947 transitions, 10892 flow, removed 458 selfloop flow, removed 1 redundant places. [2022-11-21 16:41:36,669 INFO L231 Difference]: Finished difference. Result has 153 places, 854 transitions, 11181 flow [2022-11-21 16:41:36,670 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} [2022-11-21 16:41:36,670 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 42 predicate places. [2022-11-21 16:41:36,671 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 854 transitions, 11181 flow [2022-11-21 16:41:36,672 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) [2022-11-21 16:41:36,672 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:41:36,672 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] [2022-11-21 16:41:36,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:41:36,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-21 16:41:36,873 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-21 16:41:36,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:36,874 INFO L85 PathProgramCache]: Analyzing trace with hash -876256375, now seen corresponding path program 1 times [2022-11-21 16:41:36,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:36,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339679713] [2022-11-21 16:41:36,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:36,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 16:41:36,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:36,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339679713] [2022-11-21 16:41:36,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339679713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:36,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:36,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:41:36,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723805660] [2022-11-21 16:41:36,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:36,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:41:36,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:36,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:41:36,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:41:36,950 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2022-11-21 16:41:36,950 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) [2022-11-21 16:41:36,951 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:41:36,951 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2022-11-21 16:41:36,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:41:40,982 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]) [2022-11-21 16:41:40,983 INFO L383 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-11-21 16:41:40,983 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-21 16:41:40,983 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-21 16:41:40,983 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-21 16:41:40,984 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-21 16:41:40,984 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-21 16:41:40,985 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:40,985 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:40,985 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:41,870 INFO L381 tUnfolder$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]) [2022-11-21 16:41:41,870 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-21 16:41:41,871 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:41,871 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:41,871 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:42,009 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, 91#L76true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-21 16:41:42,010 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-21 16:41:42,010 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:42,010 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:42,010 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:42,010 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:42,011 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 98#L75true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-21 16:41:42,011 INFO L383 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-11-21 16:41:42,011 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-21 16:41:42,011 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-21 16:41:42,011 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-21 16:41:42,012 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-21 16:41:42,462 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-21 16:41:42,463 INFO L383 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2022-11-21 16:41:42,463 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-21 16:41:42,463 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:42,463 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:43,371 INFO L381 tUnfolder$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]) [2022-11-21 16:41:43,371 INFO L383 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2022-11-21 16:41:43,372 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-21 16:41:43,372 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:43,372 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:43,372 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-21 16:41:43,372 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-21 16:41:43,372 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:43,372 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:43,372 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:43,372 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:43,524 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][273], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-21 16:41:43,525 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-21 16:41:43,525 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-21 16:41:43,525 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:43,525 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:43,525 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-21 16:41:43,525 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 142#true, Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-21 16:41:43,525 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-21 16:41:43,526 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:43,526 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:43,526 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-21 16:41:43,526 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:43,526 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:44,912 INFO L381 tUnfolder$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]) [2022-11-21 16:41:44,912 INFO L383 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-11-21 16:41:44,912 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-21 16:41:44,912 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:44,913 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-21 16:41:44,913 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-21 16:41:44,913 INFO L383 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2022-11-21 16:41:44,913 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-21 16:41:44,913 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:44,913 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:44,913 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:44,928 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-21 16:41:44,928 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-21 16:41:44,928 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:44,928 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:44,928 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-21 16:41:45,028 INFO L381 tUnfolder$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]) [2022-11-21 16:41:45,028 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-21 16:41:45,028 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-21 16:41:45,028 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-21 16:41:45,029 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:45,029 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-21 16:41:45,029 INFO L381 tUnfolder$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]) [2022-11-21 16:41:45,029 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-21 16:41:45,030 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-21 16:41:45,030 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-21 16:41:45,030 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:45,030 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:45,030 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:46,708 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-21 16:41:46,708 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-21 16:41:46,709 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:46,709 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-21 16:41:46,709 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:49,534 INFO L381 tUnfolder$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]) [2022-11-21 16:41:49,534 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-21 16:41:49,534 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:49,534 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:49,534 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:49,534 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-21 16:41:49,535 INFO L381 tUnfolder$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]) [2022-11-21 16:41:49,535 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-21 16:41:49,535 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:49,535 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-21 16:41:49,535 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:49,535 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][667], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 183#(<= 0 ~pos~0), Black: 602#(< ~pos~0 2147483644), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-21 16:41:49,535 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-21 16:41:49,535 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-21 16:41:49,536 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-21 16:41:49,536 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:51,044 INFO L381 tUnfolder$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]) [2022-11-21 16:41:51,045 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-21 16:41:51,045 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-21 16:41:51,045 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:51,045 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-21 16:41:51,082 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([415] L70-->L72: Formula: (and (<= 0 (+ v_~pos~0_96 2147483646)) (= (+ 2 v_~pos~0_95) v_~pos~0_96) (<= v_~pos~0_96 2147483649)) InVars {~pos~0=v_~pos~0_96} OutVars{~pos~0=v_~pos~0_95} AuxVars[] AssignedVars[~pos~0][366], [thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 69#L72true, Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 404#(<= ~pos~0 2), 96#L122-2true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 589#(< ~pos~0 2147483645), 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 966#(< 0 (+ ~pos~0 2147483646)), 294#(< 0 (+ 2147483647 ~pos~0)), 728#(<= 0 (+ ~pos~0 2)), 401#true]) [2022-11-21 16:41:51,082 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-21 16:41:51,083 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-21 16:41:51,083 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:51,083 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-21 16:41:51,355 INFO L381 tUnfolder$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]) [2022-11-21 16:41:51,355 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-21 16:41:51,356 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:51,356 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:51,356 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-21 16:41:51,356 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:51,356 INFO L381 tUnfolder$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]) [2022-11-21 16:41:51,356 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-21 16:41:51,356 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-21 16:41:51,356 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-21 16:41:51,356 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:51,356 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][667], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-21 16:41:51,357 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-21 16:41:51,357 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:51,357 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-21 16:41:51,357 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-21 16:41:57,368 INFO L381 tUnfolder$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]) [2022-11-21 16:41:57,368 INFO L383 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2022-11-21 16:41:57,368 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:57,369 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-21 16:41:57,369 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:58,968 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-21 16:41:58,968 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-21 16:41:58,969 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-21 16:41:58,969 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:58,969 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:58,969 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-21 16:41:58,969 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:58,969 INFO L381 tUnfolder$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]) [2022-11-21 16:41:58,970 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-21 16:41:58,970 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-21 16:41:58,970 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-21 16:41:58,970 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-21 16:41:58,970 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:58,970 INFO L381 tUnfolder$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]) [2022-11-21 16:41:58,970 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-21 16:41:58,971 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:41:58,971 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-21 16:41:58,971 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-21 16:41:58,971 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-21 16:41:59,873 INFO L381 tUnfolder$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]) [2022-11-21 16:41:59,874 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-21 16:41:59,874 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-21 16:41:59,874 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-21 16:41:59,874 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-21 16:41:59,875 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 88#L97-1true, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-21 16:41:59,875 INFO L383 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-11-21 16:41:59,875 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-21 16:41:59,875 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-21 16:41:59,875 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-21 16:42:01,865 INFO L381 tUnfolder$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]) [2022-11-21 16:42:01,865 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-21 16:42:01,865 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:42:01,865 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-21 16:42:01,865 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:42:01,930 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([433] L88-->L94: Formula: (and (<= v_~pos~0_80 2147483645) (<= 0 (+ 2147483650 v_~pos~0_80)) (= (+ 2 v_~pos~0_80) v_~pos~0_79)) InVars {~pos~0=v_~pos~0_80} OutVars{~pos~0=v_~pos~0_79} AuxVars[] AssignedVars[~pos~0][417], [408#true, thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), 1074#true, Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 96#L122-2true, Black: 729#(<= 0 (+ ~pos~0 4)), 52#L94true, Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-21 16:42:01,930 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-21 16:42:01,930 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-21 16:42:01,930 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-21 16:42:01,931 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:42:01,931 INFO L381 tUnfolder$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]) [2022-11-21 16:42:01,931 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-21 16:42:01,931 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-21 16:42:01,931 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:42:01,931 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-21 16:42:02,613 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([433] L88-->L94: Formula: (and (<= v_~pos~0_80 2147483645) (<= 0 (+ 2147483650 v_~pos~0_80)) (= (+ 2 v_~pos~0_80) v_~pos~0_79)) InVars {~pos~0=v_~pos~0_80} OutVars{~pos~0=v_~pos~0_79} AuxVars[] AssignedVars[~pos~0][417], [408#true, thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 183#(<= 0 ~pos~0), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), 1074#true, Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 96#L122-2true, Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), 52#L94true, Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-21 16:42:02,613 INFO L383 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2022-11-21 16:42:02,613 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:42:02,613 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-21 16:42:02,613 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-21 16:42:02,613 INFO L381 tUnfolder$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]) [2022-11-21 16:42:02,614 INFO L383 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2022-11-21 16:42:02,614 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-21 16:42:02,614 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-21 16:42:02,614 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-21 16:42:07,071 INFO L130 PetriNetUnfolder]: 52979/137987 cut-off events. [2022-11-21 16:42:07,072 INFO L131 PetriNetUnfolder]: For 933962/964791 co-relation queries the response was YES. [2022-11-21 16:42:08,713 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. [2022-11-21 16:42:09,850 INFO L137 encePairwiseOnDemand]: 134/140 looper letters, 1181 selfloop transitions, 5 changer transitions 0/1311 dead transitions. [2022-11-21 16:42:09,850 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 1311 transitions, 20076 flow [2022-11-21 16:42:09,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:09,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:42:09,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2022-11-21 16:42:09,852 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8547619047619047 [2022-11-21 16:42:09,852 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 359 transitions. [2022-11-21 16:42:09,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 359 transitions. [2022-11-21 16:42:09,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:42:09,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 359 transitions. [2022-11-21 16:42:09,854 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) [2022-11-21 16:42:09,856 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) [2022-11-21 16:42:09,856 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) [2022-11-21 16:42:09,856 INFO L175 Difference]: Start difference. First operand has 153 places, 854 transitions, 11181 flow. Second operand 3 states and 359 transitions. [2022-11-21 16:42:09,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 1311 transitions, 20076 flow [2022-11-21 16:42:22,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 1311 transitions, 19597 flow, removed 217 selfloop flow, removed 3 redundant places. [2022-11-21 16:42:22,810 INFO L231 Difference]: Finished difference. Result has 154 places, 856 transitions, 10912 flow [2022-11-21 16:42:22,811 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} [2022-11-21 16:42:22,812 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 43 predicate places. [2022-11-21 16:42:22,812 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 856 transitions, 10912 flow [2022-11-21 16:42:22,813 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) [2022-11-21 16:42:22,813 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:42:22,814 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] [2022-11-21 16:42:22,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:42:22,814 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-21 16:42:22,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:22,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1594903617, now seen corresponding path program 1 times [2022-11-21 16:42:22,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:22,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90306331] [2022-11-21 16:42:22,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:22,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:22,935 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:22,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:22,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90306331] [2022-11-21 16:42:22,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90306331] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:42:22,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396139195] [2022-11-21 16:42:22,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:22,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:42:22,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:42:22,938 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:42:22,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791051a4-437e-4ccc-a45b-e0747b3e80d1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 16:42:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:23,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 16:42:23,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:23,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:42:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:23,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396139195] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:42:23,306 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:42:23,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-21 16:42:23,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484678252] [2022-11-21 16:42:23,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:42:23,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:42:23,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:23,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:42:23,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:42:23,310 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-21 16:42:23,312 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) [2022-11-21 16:42:23,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:42:23,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-21 16:42:23,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand