./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 8393723b 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_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/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_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 18:31:45,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:31:45,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:31:45,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:31:45,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:31:45,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:31:45,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:31:45,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:31:45,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:31:45,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:31:45,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:31:45,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:31:45,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:31:45,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:31:45,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:31:45,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:31:45,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:31:45,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:31:45,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:31:45,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:31:45,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:31:45,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:31:45,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:31:45,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:31:45,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:31:45,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:31:45,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:31:45,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:31:45,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:31:45,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:31:45,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:31:45,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:31:45,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:31:45,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:31:45,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:31:45,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:31:45,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:31:45,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:31:45,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:31:45,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:31:45,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:31:45,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 18:31:45,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:31:45,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:31:45,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:31:45,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:31:45,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:31:45,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:31:45,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:31:45,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:31:45,641 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:31:45,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:31:45,642 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:31:45,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:31:45,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:31:45,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:31:45,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:31:45,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:31:45,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:31:45,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:31:45,644 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 18:31:45,644 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:31:45,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:31:45,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:31:45,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:31:45,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:31:45,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:31:45,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:31:45,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:31:45,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:31:45,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:31:45,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:31:45,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:31:45,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:31:45,648 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:31:45,648 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:31:45,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:31:45,649 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_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b699de581afb3d801299d89a35eee78f9e3cb86ad1a23fab537b92eb394c5e62 [2022-11-18 18:31:46,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:31:46,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:31:46,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:31:46,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:31:46,037 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:31:46,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2022-11-18 18:31:46,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/data/648abecce/a23aab96406a4e57af4feb18bafc2953/FLAG2698511a6 [2022-11-18 18:31:46,649 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:31:46,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2022-11-18 18:31:46,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/data/648abecce/a23aab96406a4e57af4feb18bafc2953/FLAG2698511a6 [2022-11-18 18:31:47,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/data/648abecce/a23aab96406a4e57af4feb18bafc2953 [2022-11-18 18:31:47,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:31:47,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:31:47,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:31:47,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:31:47,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:31:47,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24adf547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47, skipping insertion in model container [2022-11-18 18:31:47,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:31:47,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:31:47,313 WARN L234 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_6d00ae77-b10d-44c7-9104-9529b7928a8c/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2856,2869] [2022-11-18 18:31:47,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:31:47,322 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:31:47,345 WARN L234 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_6d00ae77-b10d-44c7-9104-9529b7928a8c/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2856,2869] [2022-11-18 18:31:47,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:31:47,359 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:31:47,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47 WrapperNode [2022-11-18 18:31:47,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:31:47,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:31:47,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:31:47,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:31:47,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,395 INFO L138 Inliner]: procedures = 22, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-11-18 18:31:47,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:31:47,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:31:47,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:31:47,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:31:47,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,420 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:31:47,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:31:47,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:31:47,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:31:47,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (1/1) ... [2022-11-18 18:31:47,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:31:47,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:31:47,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:31:47,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:31:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:31:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 18:31:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 18:31:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 18:31:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 18:31:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 18:31:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 18:31:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:31:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:31:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:31:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 18:31:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 18:31:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:31:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:31:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:31:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:31:47,525 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 18:31:47,627 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:31:47,630 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:31:47,937 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:31:48,010 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:31:48,010 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 18:31:48,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:31:48 BoogieIcfgContainer [2022-11-18 18:31:48,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:31:48,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:31:48,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:31:48,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:31:48,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:31:47" (1/3) ... [2022-11-18 18:31:48,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@915c416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:31:48, skipping insertion in model container [2022-11-18 18:31:48,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:47" (2/3) ... [2022-11-18 18:31:48,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@915c416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:31:48, skipping insertion in model container [2022-11-18 18:31:48,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:31:48" (3/3) ... [2022-11-18 18:31:48,022 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2022-11-18 18:31:48,030 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:31:48,041 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:31:48,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-18 18:31:48,041 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:31:48,169 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 18:31:48,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 140 transitions, 304 flow [2022-11-18 18:31:48,323 INFO L130 PetriNetUnfolder]: 16/137 cut-off events. [2022-11-18 18:31:48,323 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 18:31:48,331 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. [2022-11-18 18:31:48,331 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 140 transitions, 304 flow [2022-11-18 18:31:48,337 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 116 transitions, 247 flow [2022-11-18 18:31:48,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:31:48,359 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;@38259c56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:31:48,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-18 18:31:48,376 INFO L130 PetriNetUnfolder]: 2/42 cut-off events. [2022-11-18 18:31:48,376 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:31:48,376 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:31:48,377 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] [2022-11-18 18:31:48,378 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-18 18:31:48,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:48,385 INFO L85 PathProgramCache]: Analyzing trace with hash -2680901, now seen corresponding path program 1 times [2022-11-18 18:31:48,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:48,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392662900] [2022-11-18 18:31:48,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:48,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:48,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:48,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:48,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392662900] [2022-11-18 18:31:48,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392662900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:48,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:48,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:31:48,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363091533] [2022-11-18 18:31:48,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:48,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:31:48,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:48,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:31:48,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:31:48,902 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-18 18:31:48,906 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) [2022-11-18 18:31:48,906 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:31:48,906 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-18 18:31:48,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:31:49,238 INFO L130 PetriNetUnfolder]: 702/1162 cut-off events. [2022-11-18 18:31:49,239 INFO L131 PetriNetUnfolder]: For 205/206 co-relation queries the response was YES. [2022-11-18 18:31:49,246 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. [2022-11-18 18:31:49,261 INFO L137 encePairwiseOnDemand]: 118/140 looper letters, 27 selfloop transitions, 7 changer transitions 0/123 dead transitions. [2022-11-18 18:31:49,261 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 123 transitions, 341 flow [2022-11-18 18:31:49,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:31:49,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:31:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2022-11-18 18:31:49,285 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9023809523809524 [2022-11-18 18:31:49,287 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 379 transitions. [2022-11-18 18:31:49,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 379 transitions. [2022-11-18 18:31:49,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:31:49,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 379 transitions. [2022-11-18 18:31:49,303 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) [2022-11-18 18:31:49,316 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) [2022-11-18 18:31:49,317 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) [2022-11-18 18:31:49,319 INFO L175 Difference]: Start difference. First operand has 111 places, 116 transitions, 247 flow. Second operand 3 states and 379 transitions. [2022-11-18 18:31:49,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 123 transitions, 341 flow [2022-11-18 18:31:49,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 123 transitions, 325 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 18:31:49,329 INFO L231 Difference]: Finished difference. Result has 109 places, 119 transitions, 301 flow [2022-11-18 18:31:49,332 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} [2022-11-18 18:31:49,336 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -2 predicate places. [2022-11-18 18:31:49,337 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 119 transitions, 301 flow [2022-11-18 18:31:49,337 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) [2022-11-18 18:31:49,338 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:31:49,338 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] [2022-11-18 18:31:49,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:31:49,339 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-18 18:31:49,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:49,340 INFO L85 PathProgramCache]: Analyzing trace with hash -419708028, now seen corresponding path program 1 times [2022-11-18 18:31:49,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:49,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229969245] [2022-11-18 18:31:49,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:49,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:49,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:49,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229969245] [2022-11-18 18:31:49,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229969245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:49,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:49,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:31:49,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030487041] [2022-11-18 18:31:49,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:49,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:31:49,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:49,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:31:49,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:31:49,429 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2022-11-18 18:31:49,430 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) [2022-11-18 18:31:49,430 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:31:49,430 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2022-11-18 18:31:49,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:31:49,938 INFO L130 PetriNetUnfolder]: 1328/2391 cut-off events. [2022-11-18 18:31:49,939 INFO L131 PetriNetUnfolder]: For 316/582 co-relation queries the response was YES. [2022-11-18 18:31:49,948 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. [2022-11-18 18:31:49,970 INFO L137 encePairwiseOnDemand]: 134/140 looper letters, 45 selfloop transitions, 5 changer transitions 0/137 dead transitions. [2022-11-18 18:31:49,970 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 137 transitions, 470 flow [2022-11-18 18:31:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:31:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:31:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2022-11-18 18:31:49,977 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8690476190476191 [2022-11-18 18:31:49,977 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2022-11-18 18:31:49,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2022-11-18 18:31:49,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:31:49,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2022-11-18 18:31:49,979 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) [2022-11-18 18:31:49,982 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) [2022-11-18 18:31:49,983 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) [2022-11-18 18:31:49,983 INFO L175 Difference]: Start difference. First operand has 109 places, 119 transitions, 301 flow. Second operand 3 states and 365 transitions. [2022-11-18 18:31:49,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 137 transitions, 470 flow [2022-11-18 18:31:49,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 137 transitions, 459 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:31:49,991 INFO L231 Difference]: Finished difference. Result has 112 places, 121 transitions, 324 flow [2022-11-18 18:31:49,992 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} [2022-11-18 18:31:49,993 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 1 predicate places. [2022-11-18 18:31:49,993 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 121 transitions, 324 flow [2022-11-18 18:31:49,994 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) [2022-11-18 18:31:49,994 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:31:49,994 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] [2022-11-18 18:31:49,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:31:49,995 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-18 18:31:49,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:49,997 INFO L85 PathProgramCache]: Analyzing trace with hash -419707994, now seen corresponding path program 1 times [2022-11-18 18:31:49,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:49,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383295476] [2022-11-18 18:31:49,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:49,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:50,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:50,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383295476] [2022-11-18 18:31:50,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383295476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:50,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:50,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:31:50,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659353106] [2022-11-18 18:31:50,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:50,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:31:50,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:50,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:31:50,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:31:50,089 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-18 18:31:50,090 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) [2022-11-18 18:31:50,090 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:31:50,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-18 18:31:50,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:31:50,326 INFO L130 PetriNetUnfolder]: 686/1244 cut-off events. [2022-11-18 18:31:50,326 INFO L131 PetriNetUnfolder]: For 155/425 co-relation queries the response was YES. [2022-11-18 18:31:50,333 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. [2022-11-18 18:31:50,346 INFO L137 encePairwiseOnDemand]: 136/140 looper letters, 26 selfloop transitions, 1 changer transitions 0/118 dead transitions. [2022-11-18 18:31:50,347 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 118 transitions, 366 flow [2022-11-18 18:31:50,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:31:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:31:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2022-11-18 18:31:50,349 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8357142857142857 [2022-11-18 18:31:50,350 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2022-11-18 18:31:50,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2022-11-18 18:31:50,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:31:50,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2022-11-18 18:31:50,352 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) [2022-11-18 18:31:50,353 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) [2022-11-18 18:31:50,353 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) [2022-11-18 18:31:50,354 INFO L175 Difference]: Start difference. First operand has 112 places, 121 transitions, 324 flow. Second operand 3 states and 351 transitions. [2022-11-18 18:31:50,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 118 transitions, 366 flow [2022-11-18 18:31:50,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 118 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:31:50,359 INFO L231 Difference]: Finished difference. Result has 109 places, 118 transitions, 304 flow [2022-11-18 18:31:50,360 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} [2022-11-18 18:31:50,362 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -2 predicate places. [2022-11-18 18:31:50,363 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 118 transitions, 304 flow [2022-11-18 18:31:50,363 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) [2022-11-18 18:31:50,363 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:31:50,364 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] [2022-11-18 18:31:50,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:31:50,364 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-18 18:31:50,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:50,365 INFO L85 PathProgramCache]: Analyzing trace with hash 553683141, now seen corresponding path program 1 times [2022-11-18 18:31:50,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:50,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186080936] [2022-11-18 18:31:50,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:50,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:50,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:50,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:50,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186080936] [2022-11-18 18:31:50,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186080936] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:31:50,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777249743] [2022-11-18 18:31:50,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:50,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:31:50,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:31:50,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:31:50,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 18:31:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:50,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:31:50,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:31:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:50,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:31:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:50,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777249743] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:31:50,940 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:31:50,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-11-18 18:31:50,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625632549] [2022-11-18 18:31:50,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:31:50,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:31:50,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:50,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:31:50,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:31:50,944 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-18 18:31:50,946 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) [2022-11-18 18:31:50,946 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:31:50,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-18 18:31:50,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:31:51,894 INFO L130 PetriNetUnfolder]: 2060/4957 cut-off events. [2022-11-18 18:31:51,894 INFO L131 PetriNetUnfolder]: For 921/1247 co-relation queries the response was YES. [2022-11-18 18:31:51,921 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. [2022-11-18 18:31:51,974 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 52 selfloop transitions, 49 changer transitions 0/192 dead transitions. [2022-11-18 18:31:51,975 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 192 transitions, 784 flow [2022-11-18 18:31:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:31:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-11-18 18:31:51,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1007 transitions. [2022-11-18 18:31:51,984 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8991071428571429 [2022-11-18 18:31:51,984 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1007 transitions. [2022-11-18 18:31:51,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1007 transitions. [2022-11-18 18:31:51,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:31:51,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1007 transitions. [2022-11-18 18:31:51,988 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) [2022-11-18 18:31:51,991 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) [2022-11-18 18:31:51,992 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) [2022-11-18 18:31:51,992 INFO L175 Difference]: Start difference. First operand has 109 places, 118 transitions, 304 flow. Second operand 8 states and 1007 transitions. [2022-11-18 18:31:51,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 192 transitions, 784 flow [2022-11-18 18:31:51,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 192 transitions, 783 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:31:52,004 INFO L231 Difference]: Finished difference. Result has 121 places, 166 transitions, 780 flow [2022-11-18 18:31:52,005 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} [2022-11-18 18:31:52,006 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 10 predicate places. [2022-11-18 18:31:52,007 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 166 transitions, 780 flow [2022-11-18 18:31:52,008 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) [2022-11-18 18:31:52,008 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:31:52,008 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] [2022-11-18 18:31:52,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 18:31:52,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:31:52,229 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-18 18:31:52,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:52,231 INFO L85 PathProgramCache]: Analyzing trace with hash -2119641331, now seen corresponding path program 1 times [2022-11-18 18:31:52,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:52,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4523224] [2022-11-18 18:31:52,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:52,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:52,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:52,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4523224] [2022-11-18 18:31:52,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4523224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:52,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:52,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:31:52,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580019393] [2022-11-18 18:31:52,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:52,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:31:52,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:52,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:31:52,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:31:52,393 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-18 18:31:52,394 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) [2022-11-18 18:31:52,394 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:31:52,394 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-18 18:31:52,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:31:53,775 INFO L130 PetriNetUnfolder]: 3112/7815 cut-off events. [2022-11-18 18:31:53,776 INFO L131 PetriNetUnfolder]: For 17917/19364 co-relation queries the response was YES. [2022-11-18 18:31:53,833 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. [2022-11-18 18:31:53,908 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 94 selfloop transitions, 31 changer transitions 0/216 dead transitions. [2022-11-18 18:31:53,908 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 216 transitions, 1407 flow [2022-11-18 18:31:53,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:31:53,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-18 18:31:53,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 486 transitions. [2022-11-18 18:31:53,911 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8678571428571429 [2022-11-18 18:31:53,911 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 486 transitions. [2022-11-18 18:31:53,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 486 transitions. [2022-11-18 18:31:53,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:31:53,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 486 transitions. [2022-11-18 18:31:53,914 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) [2022-11-18 18:31:53,916 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) [2022-11-18 18:31:53,917 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) [2022-11-18 18:31:53,917 INFO L175 Difference]: Start difference. First operand has 121 places, 166 transitions, 780 flow. Second operand 4 states and 486 transitions. [2022-11-18 18:31:53,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 216 transitions, 1407 flow [2022-11-18 18:31:53,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 216 transitions, 1293 flow, removed 57 selfloop flow, removed 0 redundant places. [2022-11-18 18:31:53,969 INFO L231 Difference]: Finished difference. Result has 126 places, 190 transitions, 1103 flow [2022-11-18 18:31:53,970 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} [2022-11-18 18:31:53,973 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 15 predicate places. [2022-11-18 18:31:53,973 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 190 transitions, 1103 flow [2022-11-18 18:31:53,973 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) [2022-11-18 18:31:53,974 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:31:53,974 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] [2022-11-18 18:31:53,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:31:53,974 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-18 18:31:53,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:53,975 INFO L85 PathProgramCache]: Analyzing trace with hash 656933821, now seen corresponding path program 1 times [2022-11-18 18:31:53,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:53,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022295482] [2022-11-18 18:31:53,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:53,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:54,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:54,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022295482] [2022-11-18 18:31:54,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022295482] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:31:54,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864097753] [2022-11-18 18:31:54,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:54,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:31:54,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:31:54,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:31:54,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 18:31:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:54,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:31:54,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:31:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:54,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:31:54,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:54,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864097753] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:31:54,384 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:31:54,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-18 18:31:54,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185011352] [2022-11-18 18:31:54,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:31:54,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:31:54,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:54,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:31:54,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:31:54,388 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-18 18:31:54,390 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) [2022-11-18 18:31:54,390 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:31:54,390 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-18 18:31:54,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:31:59,132 INFO L130 PetriNetUnfolder]: 9325/26479 cut-off events. [2022-11-18 18:31:59,132 INFO L131 PetriNetUnfolder]: For 106004/109467 co-relation queries the response was YES. [2022-11-18 18:31:59,319 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. [2022-11-18 18:31:59,570 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 140 selfloop transitions, 216 changer transitions 0/447 dead transitions. [2022-11-18 18:31:59,571 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 447 transitions, 4098 flow [2022-11-18 18:31:59,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:31:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-18 18:31:59,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1126 transitions. [2022-11-18 18:31:59,574 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8936507936507937 [2022-11-18 18:31:59,574 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1126 transitions. [2022-11-18 18:31:59,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1126 transitions. [2022-11-18 18:31:59,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:31:59,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1126 transitions. [2022-11-18 18:31:59,581 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) [2022-11-18 18:31:59,584 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) [2022-11-18 18:31:59,586 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) [2022-11-18 18:31:59,586 INFO L175 Difference]: Start difference. First operand has 126 places, 190 transitions, 1103 flow. Second operand 9 states and 1126 transitions. [2022-11-18 18:31:59,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 447 transitions, 4098 flow [2022-11-18 18:31:59,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 447 transitions, 4091 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:31:59,780 INFO L231 Difference]: Finished difference. Result has 139 places, 382 transitions, 4115 flow [2022-11-18 18:31:59,781 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} [2022-11-18 18:31:59,781 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 28 predicate places. [2022-11-18 18:31:59,781 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 382 transitions, 4115 flow [2022-11-18 18:31:59,782 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) [2022-11-18 18:31:59,782 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:31:59,783 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] [2022-11-18 18:31:59,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 18:31:59,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:31:59,988 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-18 18:31:59,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:59,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1609626941, now seen corresponding path program 1 times [2022-11-18 18:31:59,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:59,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089617017] [2022-11-18 18:31:59,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:59,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:32:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:32:00,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:32:00,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089617017] [2022-11-18 18:32:00,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089617017] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:32:00,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943133840] [2022-11-18 18:32:00,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:32:00,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:32:00,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:32:00,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:32:00,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 18:32:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:00,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:32:00,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:32:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:32:00,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:32:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:32:00,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943133840] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:32:00,488 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:32:00,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-18 18:32:00,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310917479] [2022-11-18 18:32:00,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:32:00,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 18:32:00,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:32:00,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 18:32:00,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=68, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:32:00,492 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-18 18:32:00,493 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) [2022-11-18 18:32:00,493 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:32:00,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-18 18:32:00,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:32:09,770 INFO L130 PetriNetUnfolder]: 19024/57401 cut-off events. [2022-11-18 18:32:09,771 INFO L131 PetriNetUnfolder]: For 576148/590530 co-relation queries the response was YES. [2022-11-18 18:32:10,445 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. [2022-11-18 18:32:10,934 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 272 selfloop transitions, 584 changer transitions 0/947 dead transitions. [2022-11-18 18:32:10,934 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 947 transitions, 11815 flow [2022-11-18 18:32:10,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 18:32:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-18 18:32:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1482 transitions. [2022-11-18 18:32:10,939 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8821428571428571 [2022-11-18 18:32:10,940 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1482 transitions. [2022-11-18 18:32:10,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1482 transitions. [2022-11-18 18:32:10,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:32:10,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1482 transitions. [2022-11-18 18:32:10,945 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) [2022-11-18 18:32:10,948 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) [2022-11-18 18:32:10,949 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) [2022-11-18 18:32:10,949 INFO L175 Difference]: Start difference. First operand has 139 places, 382 transitions, 4115 flow. Second operand 12 states and 1482 transitions. [2022-11-18 18:32:10,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 947 transitions, 11815 flow [2022-11-18 18:32:11,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 947 transitions, 10892 flow, removed 458 selfloop flow, removed 1 redundant places. [2022-11-18 18:32:11,814 INFO L231 Difference]: Finished difference. Result has 153 places, 854 transitions, 11181 flow [2022-11-18 18:32:11,815 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} [2022-11-18 18:32:11,816 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 42 predicate places. [2022-11-18 18:32:11,816 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 854 transitions, 11181 flow [2022-11-18 18:32:11,817 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) [2022-11-18 18:32:11,817 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:32:11,817 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] [2022-11-18 18:32:11,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 18:32:12,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:32:12,018 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-18 18:32:12,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:32:12,019 INFO L85 PathProgramCache]: Analyzing trace with hash -876256375, now seen corresponding path program 1 times [2022-11-18 18:32:12,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:32:12,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975310922] [2022-11-18 18:32:12,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:32:12,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:32:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:12,060 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 18:32:12,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:32:12,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975310922] [2022-11-18 18:32:12,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975310922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:32:12,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:32:12,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:32:12,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646305373] [2022-11-18 18:32:12,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:32:12,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:32:12,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:32:12,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:32:12,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:32:12,063 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2022-11-18 18:32:12,064 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) [2022-11-18 18:32:12,064 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:32:12,064 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2022-11-18 18:32:12,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:32:15,819 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]) [2022-11-18 18:32:15,819 INFO L383 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-11-18 18:32:15,820 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-18 18:32:15,820 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-18 18:32:15,820 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-18 18:32:15,820 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-18 18:32:15,820 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-18 18:32:15,820 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:15,821 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:15,821 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:16,331 INFO L381 tUnfolder$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]) [2022-11-18 18:32:16,331 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-18 18:32:16,331 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:16,331 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:16,331 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:16,747 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, 91#L76true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-18 18:32:16,747 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-18 18:32:16,747 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:16,747 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:16,747 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:16,747 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:16,748 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 98#L75true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-18 18:32:16,748 INFO L383 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-11-18 18:32:16,748 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-18 18:32:16,748 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-18 18:32:16,748 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-18 18:32:16,748 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-18 18:32:17,125 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-18 18:32:17,125 INFO L383 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2022-11-18 18:32:17,125 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-18 18:32:17,125 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:17,125 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:17,569 INFO L381 tUnfolder$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]) [2022-11-18 18:32:17,569 INFO L383 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2022-11-18 18:32:17,569 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-18 18:32:17,569 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:17,569 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:17,569 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-18 18:32:17,569 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-18 18:32:17,569 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:17,570 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:17,570 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:17,570 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:17,705 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][273], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-18 18:32:17,705 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-18 18:32:17,705 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-18 18:32:17,705 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:17,706 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:17,706 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-18 18:32:17,706 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 142#true, Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-18 18:32:17,706 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-18 18:32:17,706 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:17,707 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:17,707 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-18 18:32:17,707 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:17,707 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:19,079 INFO L381 tUnfolder$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]) [2022-11-18 18:32:19,079 INFO L383 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-11-18 18:32:19,079 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-18 18:32:19,079 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:19,080 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-18 18:32:19,080 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-18 18:32:19,080 INFO L383 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2022-11-18 18:32:19,080 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-18 18:32:19,080 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:19,080 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:19,081 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:19,096 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-18 18:32:19,097 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-18 18:32:19,097 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:19,097 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:19,097 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-18 18:32:19,189 INFO L381 tUnfolder$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]) [2022-11-18 18:32:19,189 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-18 18:32:19,189 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-18 18:32:19,189 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-18 18:32:19,190 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:19,190 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-18 18:32:19,190 INFO L381 tUnfolder$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]) [2022-11-18 18:32:19,190 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-18 18:32:19,190 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-18 18:32:19,190 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-18 18:32:19,190 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:19,190 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:19,190 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:20,619 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-18 18:32:20,619 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-18 18:32:20,619 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:20,619 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-18 18:32:20,619 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:23,495 INFO L381 tUnfolder$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]) [2022-11-18 18:32:23,495 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-18 18:32:23,495 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:23,495 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:23,495 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:23,495 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-18 18:32:23,496 INFO L381 tUnfolder$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]) [2022-11-18 18:32:23,496 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-18 18:32:23,496 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:23,496 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-18 18:32:23,496 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:23,497 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][667], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 183#(<= 0 ~pos~0), Black: 602#(< ~pos~0 2147483644), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-18 18:32:23,497 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-18 18:32:23,497 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-18 18:32:23,497 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-18 18:32:23,497 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:24,898 INFO L381 tUnfolder$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]) [2022-11-18 18:32:24,898 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-18 18:32:24,899 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-18 18:32:24,899 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:24,899 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-18 18:32:24,940 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([415] L70-->L72: Formula: (and (<= 0 (+ v_~pos~0_96 2147483646)) (= (+ 2 v_~pos~0_95) v_~pos~0_96) (<= v_~pos~0_96 2147483649)) InVars {~pos~0=v_~pos~0_96} OutVars{~pos~0=v_~pos~0_95} AuxVars[] AssignedVars[~pos~0][366], [thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 69#L72true, Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 404#(<= ~pos~0 2), 96#L122-2true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 589#(< ~pos~0 2147483645), 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 966#(< 0 (+ ~pos~0 2147483646)), 294#(< 0 (+ 2147483647 ~pos~0)), 728#(<= 0 (+ ~pos~0 2)), 401#true]) [2022-11-18 18:32:24,941 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-18 18:32:24,941 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-18 18:32:24,941 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:24,941 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-18 18:32:25,232 INFO L381 tUnfolder$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]) [2022-11-18 18:32:25,232 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-18 18:32:25,233 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:25,233 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:25,233 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-18 18:32:25,233 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:25,233 INFO L381 tUnfolder$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]) [2022-11-18 18:32:25,234 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-18 18:32:25,234 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-18 18:32:25,234 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-18 18:32:25,234 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:25,234 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][667], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-18 18:32:25,235 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-18 18:32:25,235 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:25,235 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-18 18:32:25,235 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-18 18:32:29,909 INFO L381 tUnfolder$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]) [2022-11-18 18:32:29,909 INFO L383 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2022-11-18 18:32:29,909 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:29,909 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-18 18:32:29,910 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:31,421 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-18 18:32:31,421 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-18 18:32:31,421 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-18 18:32:31,421 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:31,421 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:31,421 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-18 18:32:31,421 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:31,422 INFO L381 tUnfolder$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]) [2022-11-18 18:32:31,422 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-18 18:32:31,422 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-18 18:32:31,422 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-18 18:32:31,422 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-18 18:32:31,422 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:31,422 INFO L381 tUnfolder$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]) [2022-11-18 18:32:31,422 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-18 18:32:31,422 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:31,423 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-18 18:32:31,423 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-18 18:32:31,423 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-18 18:32:32,617 INFO L381 tUnfolder$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]) [2022-11-18 18:32:32,618 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-18 18:32:32,618 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-18 18:32:32,618 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-18 18:32:32,618 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-18 18:32:32,618 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 88#L97-1true, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-18 18:32:32,618 INFO L383 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-11-18 18:32:32,618 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-18 18:32:32,619 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-18 18:32:32,619 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-18 18:32:33,941 INFO L381 tUnfolder$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]) [2022-11-18 18:32:33,941 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-18 18:32:33,942 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:33,942 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-18 18:32:33,942 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:34,001 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([433] L88-->L94: Formula: (and (<= v_~pos~0_80 2147483645) (<= 0 (+ 2147483650 v_~pos~0_80)) (= (+ 2 v_~pos~0_80) v_~pos~0_79)) InVars {~pos~0=v_~pos~0_80} OutVars{~pos~0=v_~pos~0_79} AuxVars[] AssignedVars[~pos~0][417], [408#true, thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), 1074#true, Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 96#L122-2true, Black: 729#(<= 0 (+ ~pos~0 4)), 52#L94true, Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-18 18:32:34,001 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-18 18:32:34,001 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-18 18:32:34,001 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-18 18:32:34,001 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:34,002 INFO L381 tUnfolder$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]) [2022-11-18 18:32:34,002 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-18 18:32:34,002 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-18 18:32:34,002 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:34,002 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-18 18:32:35,009 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([433] L88-->L94: Formula: (and (<= v_~pos~0_80 2147483645) (<= 0 (+ 2147483650 v_~pos~0_80)) (= (+ 2 v_~pos~0_80) v_~pos~0_79)) InVars {~pos~0=v_~pos~0_80} OutVars{~pos~0=v_~pos~0_79} AuxVars[] AssignedVars[~pos~0][417], [408#true, thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 183#(<= 0 ~pos~0), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), 1074#true, Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 96#L122-2true, Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), 52#L94true, Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-18 18:32:35,009 INFO L383 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2022-11-18 18:32:35,010 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:35,010 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-18 18:32:35,010 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-18 18:32:35,010 INFO L381 tUnfolder$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]) [2022-11-18 18:32:35,010 INFO L383 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2022-11-18 18:32:35,010 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-18 18:32:35,010 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-18 18:32:35,010 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-18 18:32:39,192 INFO L130 PetriNetUnfolder]: 52979/137987 cut-off events. [2022-11-18 18:32:39,193 INFO L131 PetriNetUnfolder]: For 933962/964791 co-relation queries the response was YES. [2022-11-18 18:32:40,369 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. [2022-11-18 18:32:41,510 INFO L137 encePairwiseOnDemand]: 134/140 looper letters, 1181 selfloop transitions, 5 changer transitions 0/1311 dead transitions. [2022-11-18 18:32:41,511 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 1311 transitions, 20076 flow [2022-11-18 18:32:41,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:32:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:32:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2022-11-18 18:32:41,514 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8547619047619047 [2022-11-18 18:32:41,514 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 359 transitions. [2022-11-18 18:32:41,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 359 transitions. [2022-11-18 18:32:41,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:32:41,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 359 transitions. [2022-11-18 18:32:41,518 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) [2022-11-18 18:32:41,521 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) [2022-11-18 18:32:41,522 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) [2022-11-18 18:32:41,522 INFO L175 Difference]: Start difference. First operand has 153 places, 854 transitions, 11181 flow. Second operand 3 states and 359 transitions. [2022-11-18 18:32:41,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 1311 transitions, 20076 flow [2022-11-18 18:32:52,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 1311 transitions, 19597 flow, removed 217 selfloop flow, removed 3 redundant places. [2022-11-18 18:32:52,891 INFO L231 Difference]: Finished difference. Result has 154 places, 856 transitions, 10912 flow [2022-11-18 18:32:52,892 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} [2022-11-18 18:32:52,892 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 43 predicate places. [2022-11-18 18:32:52,893 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 856 transitions, 10912 flow [2022-11-18 18:32:52,893 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) [2022-11-18 18:32:52,893 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:32:52,893 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] [2022-11-18 18:32:52,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:32:52,894 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-18 18:32:52,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:32:52,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1594903617, now seen corresponding path program 1 times [2022-11-18 18:32:52,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:32:52,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127204532] [2022-11-18 18:32:52,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:32:52,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:32:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:32:52,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:32:52,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127204532] [2022-11-18 18:32:52,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127204532] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:32:52,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75144944] [2022-11-18 18:32:52,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:32:52,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:32:52,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:32:52,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:32:52,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d00ae77-b10d-44c7-9104-9529b7928a8c/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 18:32:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:53,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:32:53,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:32:53,174 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:32:53,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:32:53,306 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:32:53,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75144944] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:32:53,306 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:32:53,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-18 18:32:53,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769492345] [2022-11-18 18:32:53,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:32:53,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 18:32:53,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:32:53,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 18:32:53,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:32:53,310 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-18 18:32:53,312 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) [2022-11-18 18:32:53,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:32:53,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-18 18:32:53,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand