./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/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_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN --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-6b4ec56 [2022-11-20 10:46:47,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:46:47,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:46:47,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:46:47,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:46:47,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:46:47,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:46:47,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:46:47,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:46:47,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:46:47,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:46:47,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:46:47,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:46:47,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:46:47,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:46:47,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:46:47,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:46:47,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:46:47,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:46:47,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:46:47,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:46:47,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:46:47,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:46:47,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:46:47,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:46:47,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:46:47,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:46:47,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:46:47,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:46:47,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:46:47,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:46:47,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:46:47,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:46:47,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:46:47,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:46:47,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:46:47,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:46:47,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:46:47,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:46:47,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:46:47,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:46:47,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 10:46:47,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:46:47,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:46:47,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:46:47,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:46:47,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:46:47,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:46:47,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:46:47,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:46:47,356 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:46:47,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:46:47,357 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:46:47,357 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:46:47,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:46:47,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:46:47,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:46:47,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:46:47,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:46:47,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:46:47,359 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:46:47,359 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:46:47,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:46:47,359 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:46:47,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:46:47,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:46:47,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:46:47,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:46:47,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:47,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:46:47,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:46:47,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:46:47,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:46:47,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:46:47,362 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:46:47,362 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:46:47,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:46:47,363 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_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b699de581afb3d801299d89a35eee78f9e3cb86ad1a23fab537b92eb394c5e62 [2022-11-20 10:46:47,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:46:47,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:46:47,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:46:47,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:46:47,701 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:46:47,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2022-11-20 10:46:50,743 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:46:50,954 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:46:50,955 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2022-11-20 10:46:50,963 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/data/433219163/b7d027957b184b91bcbc34224ada00f0/FLAGc03ef2079 [2022-11-20 10:46:50,978 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/data/433219163/b7d027957b184b91bcbc34224ada00f0 [2022-11-20 10:46:50,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:46:50,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:46:50,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:50,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:46:50,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:46:50,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:50" (1/1) ... [2022-11-20 10:46:50,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a198c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:50, skipping insertion in model container [2022-11-20 10:46:50,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:50" (1/1) ... [2022-11-20 10:46:51,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:46:51,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:51,263 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2856,2869] [2022-11-20 10:46:51,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:51,275 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:46:51,301 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2856,2869] [2022-11-20 10:46:51,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:51,318 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:46:51,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51 WrapperNode [2022-11-20 10:46:51,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:51,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:51,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:46:51,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:46:51,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (1/1) ... [2022-11-20 10:46:51,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (1/1) ... [2022-11-20 10:46:51,358 INFO L138 Inliner]: procedures = 22, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-11-20 10:46:51,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:51,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:46:51,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:46:51,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:46:51,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (1/1) ... [2022-11-20 10:46:51,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (1/1) ... [2022-11-20 10:46:51,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (1/1) ... [2022-11-20 10:46:51,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (1/1) ... [2022-11-20 10:46:51,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (1/1) ... [2022-11-20 10:46:51,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (1/1) ... [2022-11-20 10:46:51,385 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (1/1) ... [2022-11-20 10:46:51,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (1/1) ... [2022-11-20 10:46:51,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:46:51,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:46:51,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:46:51,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:46:51,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (1/1) ... [2022-11-20 10:46:51,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:51,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:46:51,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:46:51,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:46:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:46:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 10:46:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 10:46:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 10:46:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 10:46:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 10:46:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 10:46:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:46:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:46:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:46:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:46:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:46:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:46:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:46:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:46:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:46:51,481 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:46:51,635 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:46:51,637 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:46:52,039 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:46:52,100 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:46:52,101 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 10:46:52,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:52 BoogieIcfgContainer [2022-11-20 10:46:52,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:46:52,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:46:52,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:46:52,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:46:52,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:46:50" (1/3) ... [2022-11-20 10:46:52,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61774cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:52, skipping insertion in model container [2022-11-20 10:46:52,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:51" (2/3) ... [2022-11-20 10:46:52,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61774cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:52, skipping insertion in model container [2022-11-20 10:46:52,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:52" (3/3) ... [2022-11-20 10:46:52,114 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2022-11-20 10:46:52,124 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:46:52,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:46:52,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-20 10:46:52,135 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:46:52,239 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 10:46:52,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 140 transitions, 304 flow [2022-11-20 10:46:52,363 INFO L130 PetriNetUnfolder]: 16/137 cut-off events. [2022-11-20 10:46:52,369 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 10:46:52,378 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. [2022-11-20 10:46:52,378 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 140 transitions, 304 flow [2022-11-20 10:46:52,391 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 116 transitions, 247 flow [2022-11-20 10:46:52,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:46:52,409 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;@1e99dd5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:46:52,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-20 10:46:52,423 INFO L130 PetriNetUnfolder]: 2/42 cut-off events. [2022-11-20 10:46:52,423 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:46:52,424 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:52,424 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] [2022-11-20 10:46:52,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-20 10:46:52,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:52,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2680901, now seen corresponding path program 1 times [2022-11-20 10:46:52,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:52,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322017710] [2022-11-20 10:46:52,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:52,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:52,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:52,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322017710] [2022-11-20 10:46:52,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322017710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:52,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:52,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:52,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030610659] [2022-11-20 10:46:52,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:52,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:52,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:52,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:52,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:52,905 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-20 10:46:52,908 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) [2022-11-20 10:46:52,909 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:52,909 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-20 10:46:52,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:53,372 INFO L130 PetriNetUnfolder]: 702/1162 cut-off events. [2022-11-20 10:46:53,373 INFO L131 PetriNetUnfolder]: For 205/206 co-relation queries the response was YES. [2022-11-20 10:46:53,382 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. [2022-11-20 10:46:53,397 INFO L137 encePairwiseOnDemand]: 118/140 looper letters, 27 selfloop transitions, 7 changer transitions 0/123 dead transitions. [2022-11-20 10:46:53,397 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 123 transitions, 341 flow [2022-11-20 10:46:53,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:53,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2022-11-20 10:46:53,421 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9023809523809524 [2022-11-20 10:46:53,422 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 379 transitions. [2022-11-20 10:46:53,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 379 transitions. [2022-11-20 10:46:53,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:53,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 379 transitions. [2022-11-20 10:46:53,436 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) [2022-11-20 10:46:53,440 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) [2022-11-20 10:46:53,441 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) [2022-11-20 10:46:53,443 INFO L175 Difference]: Start difference. First operand has 111 places, 116 transitions, 247 flow. Second operand 3 states and 379 transitions. [2022-11-20 10:46:53,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 123 transitions, 341 flow [2022-11-20 10:46:53,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 123 transitions, 325 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 10:46:53,451 INFO L231 Difference]: Finished difference. Result has 109 places, 119 transitions, 301 flow [2022-11-20 10:46:53,453 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} [2022-11-20 10:46:53,461 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -2 predicate places. [2022-11-20 10:46:53,461 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 119 transitions, 301 flow [2022-11-20 10:46:53,461 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) [2022-11-20 10:46:53,462 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:53,462 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] [2022-11-20 10:46:53,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:46:53,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-20 10:46:53,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:53,463 INFO L85 PathProgramCache]: Analyzing trace with hash -419708028, now seen corresponding path program 1 times [2022-11-20 10:46:53,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:53,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529731938] [2022-11-20 10:46:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:53,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:53,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:53,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529731938] [2022-11-20 10:46:53,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529731938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:53,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:53,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:46:53,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682714758] [2022-11-20 10:46:53,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:53,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:53,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:53,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:53,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:53,618 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2022-11-20 10:46:53,619 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) [2022-11-20 10:46:53,619 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:53,619 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2022-11-20 10:46:53,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:54,080 INFO L130 PetriNetUnfolder]: 1328/2391 cut-off events. [2022-11-20 10:46:54,080 INFO L131 PetriNetUnfolder]: For 316/582 co-relation queries the response was YES. [2022-11-20 10:46:54,091 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. [2022-11-20 10:46:54,112 INFO L137 encePairwiseOnDemand]: 134/140 looper letters, 45 selfloop transitions, 5 changer transitions 0/137 dead transitions. [2022-11-20 10:46:54,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 137 transitions, 470 flow [2022-11-20 10:46:54,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2022-11-20 10:46:54,116 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8690476190476191 [2022-11-20 10:46:54,117 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2022-11-20 10:46:54,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2022-11-20 10:46:54,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:54,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2022-11-20 10:46:54,119 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) [2022-11-20 10:46:54,123 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) [2022-11-20 10:46:54,124 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) [2022-11-20 10:46:54,124 INFO L175 Difference]: Start difference. First operand has 109 places, 119 transitions, 301 flow. Second operand 3 states and 365 transitions. [2022-11-20 10:46:54,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 137 transitions, 470 flow [2022-11-20 10:46:54,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 137 transitions, 459 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:46:54,131 INFO L231 Difference]: Finished difference. Result has 112 places, 121 transitions, 324 flow [2022-11-20 10:46:54,132 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} [2022-11-20 10:46:54,133 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 1 predicate places. [2022-11-20 10:46:54,134 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 121 transitions, 324 flow [2022-11-20 10:46:54,134 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) [2022-11-20 10:46:54,134 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:54,135 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] [2022-11-20 10:46:54,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:46:54,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-20 10:46:54,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:54,136 INFO L85 PathProgramCache]: Analyzing trace with hash -419707994, now seen corresponding path program 1 times [2022-11-20 10:46:54,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:54,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762758705] [2022-11-20 10:46:54,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:54,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:54,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:54,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:54,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762758705] [2022-11-20 10:46:54,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762758705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:54,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:54,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:54,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445621519] [2022-11-20 10:46:54,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:54,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:54,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:54,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:54,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:54,300 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-20 10:46:54,301 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) [2022-11-20 10:46:54,301 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:54,301 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-20 10:46:54,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:54,544 INFO L130 PetriNetUnfolder]: 686/1244 cut-off events. [2022-11-20 10:46:54,544 INFO L131 PetriNetUnfolder]: For 155/425 co-relation queries the response was YES. [2022-11-20 10:46:54,550 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. [2022-11-20 10:46:54,561 INFO L137 encePairwiseOnDemand]: 136/140 looper letters, 26 selfloop transitions, 1 changer transitions 0/118 dead transitions. [2022-11-20 10:46:54,562 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 118 transitions, 366 flow [2022-11-20 10:46:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:54,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:54,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2022-11-20 10:46:54,564 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8357142857142857 [2022-11-20 10:46:54,564 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2022-11-20 10:46:54,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2022-11-20 10:46:54,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:54,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2022-11-20 10:46:54,566 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) [2022-11-20 10:46:54,567 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) [2022-11-20 10:46:54,567 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) [2022-11-20 10:46:54,568 INFO L175 Difference]: Start difference. First operand has 112 places, 121 transitions, 324 flow. Second operand 3 states and 351 transitions. [2022-11-20 10:46:54,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 118 transitions, 366 flow [2022-11-20 10:46:54,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 118 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:46:54,572 INFO L231 Difference]: Finished difference. Result has 109 places, 118 transitions, 304 flow [2022-11-20 10:46:54,572 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} [2022-11-20 10:46:54,573 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -2 predicate places. [2022-11-20 10:46:54,573 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 118 transitions, 304 flow [2022-11-20 10:46:54,574 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) [2022-11-20 10:46:54,574 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:54,574 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] [2022-11-20 10:46:54,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:46:54,575 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-20 10:46:54,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:54,576 INFO L85 PathProgramCache]: Analyzing trace with hash 553683141, now seen corresponding path program 1 times [2022-11-20 10:46:54,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:54,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376389682] [2022-11-20 10:46:54,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:54,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:54,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:54,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376389682] [2022-11-20 10:46:54,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376389682] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:46:54,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049988967] [2022-11-20 10:46:54,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:54,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:46:54,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:46:54,682 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:46:54,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:46:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:54,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:46:54,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:46:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:54,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:46:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:54,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049988967] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:46:54,997 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:46:54,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-11-20 10:46:54,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121452047] [2022-11-20 10:46:54,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:46:54,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:46:54,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:55,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:46:55,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:46:55,002 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-20 10:46:55,004 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) [2022-11-20 10:46:55,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:55,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-20 10:46:55,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:55,964 INFO L130 PetriNetUnfolder]: 2060/4957 cut-off events. [2022-11-20 10:46:55,964 INFO L131 PetriNetUnfolder]: For 921/1247 co-relation queries the response was YES. [2022-11-20 10:46:55,990 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. [2022-11-20 10:46:56,037 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 52 selfloop transitions, 49 changer transitions 0/192 dead transitions. [2022-11-20 10:46:56,038 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 192 transitions, 784 flow [2022-11-20 10:46:56,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:46:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-11-20 10:46:56,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1007 transitions. [2022-11-20 10:46:56,046 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8991071428571429 [2022-11-20 10:46:56,047 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1007 transitions. [2022-11-20 10:46:56,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1007 transitions. [2022-11-20 10:46:56,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:56,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1007 transitions. [2022-11-20 10:46:56,052 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) [2022-11-20 10:46:56,054 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) [2022-11-20 10:46:56,055 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) [2022-11-20 10:46:56,056 INFO L175 Difference]: Start difference. First operand has 109 places, 118 transitions, 304 flow. Second operand 8 states and 1007 transitions. [2022-11-20 10:46:56,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 192 transitions, 784 flow [2022-11-20 10:46:56,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 192 transitions, 783 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:46:56,067 INFO L231 Difference]: Finished difference. Result has 121 places, 166 transitions, 780 flow [2022-11-20 10:46:56,067 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} [2022-11-20 10:46:56,069 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 10 predicate places. [2022-11-20 10:46:56,069 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 166 transitions, 780 flow [2022-11-20 10:46:56,070 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) [2022-11-20 10:46:56,070 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:56,071 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] [2022-11-20 10:46:56,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:46:56,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:46:56,286 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-20 10:46:56,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:56,287 INFO L85 PathProgramCache]: Analyzing trace with hash -2119641331, now seen corresponding path program 1 times [2022-11-20 10:46:56,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:56,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489556425] [2022-11-20 10:46:56,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:56,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:56,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:56,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489556425] [2022-11-20 10:46:56,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489556425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:56,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:56,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:46:56,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243337323] [2022-11-20 10:46:56,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:56,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:46:56,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:56,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:46:56,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:46:56,418 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-20 10:46:56,419 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) [2022-11-20 10:46:56,419 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:56,420 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-20 10:46:56,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:57,838 INFO L130 PetriNetUnfolder]: 3112/7815 cut-off events. [2022-11-20 10:46:57,838 INFO L131 PetriNetUnfolder]: For 17917/19364 co-relation queries the response was YES. [2022-11-20 10:46:57,983 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. [2022-11-20 10:46:58,052 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 94 selfloop transitions, 31 changer transitions 0/216 dead transitions. [2022-11-20 10:46:58,052 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 216 transitions, 1407 flow [2022-11-20 10:46:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:46:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-20 10:46:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 486 transitions. [2022-11-20 10:46:58,054 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8678571428571429 [2022-11-20 10:46:58,054 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 486 transitions. [2022-11-20 10:46:58,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 486 transitions. [2022-11-20 10:46:58,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:58,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 486 transitions. [2022-11-20 10:46:58,056 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) [2022-11-20 10:46:58,059 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) [2022-11-20 10:46:58,059 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) [2022-11-20 10:46:58,059 INFO L175 Difference]: Start difference. First operand has 121 places, 166 transitions, 780 flow. Second operand 4 states and 486 transitions. [2022-11-20 10:46:58,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 216 transitions, 1407 flow [2022-11-20 10:46:58,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 216 transitions, 1293 flow, removed 57 selfloop flow, removed 0 redundant places. [2022-11-20 10:46:58,108 INFO L231 Difference]: Finished difference. Result has 126 places, 190 transitions, 1103 flow [2022-11-20 10:46:58,108 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} [2022-11-20 10:46:58,111 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 15 predicate places. [2022-11-20 10:46:58,111 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 190 transitions, 1103 flow [2022-11-20 10:46:58,111 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) [2022-11-20 10:46:58,111 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:58,112 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] [2022-11-20 10:46:58,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:46:58,112 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-20 10:46:58,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:58,113 INFO L85 PathProgramCache]: Analyzing trace with hash 656933821, now seen corresponding path program 1 times [2022-11-20 10:46:58,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:58,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347528964] [2022-11-20 10:46:58,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:58,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:58,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:58,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347528964] [2022-11-20 10:46:58,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347528964] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:46:58,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064271022] [2022-11-20 10:46:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:58,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:46:58,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:46:58,223 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:46:58,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:46:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:46:58,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:46:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:58,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:46:58,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:58,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064271022] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:46:58,516 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:46:58,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-20 10:46:58,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506897700] [2022-11-20 10:46:58,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:46:58,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:46:58,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:58,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:46:58,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:46:58,527 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-20 10:46:58,528 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) [2022-11-20 10:46:58,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:58,529 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-20 10:46:58,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:03,190 INFO L130 PetriNetUnfolder]: 9325/26479 cut-off events. [2022-11-20 10:47:03,190 INFO L131 PetriNetUnfolder]: For 106004/109467 co-relation queries the response was YES. [2022-11-20 10:47:03,397 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. [2022-11-20 10:47:03,617 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 140 selfloop transitions, 216 changer transitions 0/447 dead transitions. [2022-11-20 10:47:03,617 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 447 transitions, 4098 flow [2022-11-20 10:47:03,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:47:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-20 10:47:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1126 transitions. [2022-11-20 10:47:03,623 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8936507936507937 [2022-11-20 10:47:03,623 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1126 transitions. [2022-11-20 10:47:03,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1126 transitions. [2022-11-20 10:47:03,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:03,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1126 transitions. [2022-11-20 10:47:03,629 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) [2022-11-20 10:47:03,631 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) [2022-11-20 10:47:03,633 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) [2022-11-20 10:47:03,634 INFO L175 Difference]: Start difference. First operand has 126 places, 190 transitions, 1103 flow. Second operand 9 states and 1126 transitions. [2022-11-20 10:47:03,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 447 transitions, 4098 flow [2022-11-20 10:47:03,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 447 transitions, 4091 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:47:03,806 INFO L231 Difference]: Finished difference. Result has 139 places, 382 transitions, 4115 flow [2022-11-20 10:47:03,807 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} [2022-11-20 10:47:03,810 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 28 predicate places. [2022-11-20 10:47:03,810 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 382 transitions, 4115 flow [2022-11-20 10:47:03,810 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) [2022-11-20 10:47:03,811 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:03,811 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] [2022-11-20 10:47:03,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:04,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:04,018 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-20 10:47:04,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:04,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1609626941, now seen corresponding path program 1 times [2022-11-20 10:47:04,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:04,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661565801] [2022-11-20 10:47:04,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:04,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:04,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:04,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661565801] [2022-11-20 10:47:04,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661565801] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:04,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821987235] [2022-11-20 10:47:04,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:04,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:04,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:04,263 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:04,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:47:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:04,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:47:04,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:04,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:04,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821987235] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:47:04,591 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:47:04,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-20 10:47:04,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687169080] [2022-11-20 10:47:04,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:47:04,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 10:47:04,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:04,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 10:47:04,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=68, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:47:04,596 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-20 10:47:04,598 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) [2022-11-20 10:47:04,598 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:04,598 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-20 10:47:04,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:14,185 INFO L130 PetriNetUnfolder]: 19024/57401 cut-off events. [2022-11-20 10:47:14,186 INFO L131 PetriNetUnfolder]: For 576148/590530 co-relation queries the response was YES. [2022-11-20 10:47:14,680 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. [2022-11-20 10:47:15,427 INFO L137 encePairwiseOnDemand]: 124/140 looper letters, 272 selfloop transitions, 584 changer transitions 0/947 dead transitions. [2022-11-20 10:47:15,428 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 947 transitions, 11815 flow [2022-11-20 10:47:15,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 10:47:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-20 10:47:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1482 transitions. [2022-11-20 10:47:15,433 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8821428571428571 [2022-11-20 10:47:15,433 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1482 transitions. [2022-11-20 10:47:15,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1482 transitions. [2022-11-20 10:47:15,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:15,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1482 transitions. [2022-11-20 10:47:15,438 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) [2022-11-20 10:47:15,442 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) [2022-11-20 10:47:15,447 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) [2022-11-20 10:47:15,447 INFO L175 Difference]: Start difference. First operand has 139 places, 382 transitions, 4115 flow. Second operand 12 states and 1482 transitions. [2022-11-20 10:47:15,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 947 transitions, 11815 flow [2022-11-20 10:47:16,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 947 transitions, 10892 flow, removed 458 selfloop flow, removed 1 redundant places. [2022-11-20 10:47:16,464 INFO L231 Difference]: Finished difference. Result has 153 places, 854 transitions, 11181 flow [2022-11-20 10:47:16,465 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} [2022-11-20 10:47:16,465 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 42 predicate places. [2022-11-20 10:47:16,466 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 854 transitions, 11181 flow [2022-11-20 10:47:16,466 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) [2022-11-20 10:47:16,466 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:16,467 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] [2022-11-20 10:47:16,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:16,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:16,672 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-20 10:47:16,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:16,672 INFO L85 PathProgramCache]: Analyzing trace with hash -876256375, now seen corresponding path program 1 times [2022-11-20 10:47:16,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:16,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226399490] [2022-11-20 10:47:16,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:16,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 10:47:16,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:16,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226399490] [2022-11-20 10:47:16,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226399490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:16,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:16,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:47:16,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187699152] [2022-11-20 10:47:16,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:16,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:16,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:16,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:16,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:16,720 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2022-11-20 10:47:16,720 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) [2022-11-20 10:47:16,720 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:16,720 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2022-11-20 10:47:16,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:20,667 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]) [2022-11-20 10:47:20,668 INFO L383 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-11-20 10:47:20,668 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-20 10:47:20,668 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-20 10:47:20,668 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-20 10:47:20,668 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-20 10:47:20,668 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-20 10:47:20,668 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:20,668 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:20,675 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:21,086 INFO L381 tUnfolder$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]) [2022-11-20 10:47:21,087 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-20 10:47:21,087 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:21,087 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:21,087 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:21,202 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, 91#L76true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-20 10:47:21,202 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-20 10:47:21,202 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:21,202 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:21,202 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:21,202 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:21,203 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 98#L75true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-20 10:47:21,203 INFO L383 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-11-20 10:47:21,203 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-20 10:47:21,203 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-20 10:47:21,203 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-20 10:47:21,203 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-20 10:47:21,897 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-20 10:47:21,897 INFO L383 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2022-11-20 10:47:21,898 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-20 10:47:21,898 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:21,898 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:22,353 INFO L381 tUnfolder$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]) [2022-11-20 10:47:22,353 INFO L383 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2022-11-20 10:47:22,353 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-20 10:47:22,353 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:22,353 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:22,354 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-20 10:47:22,354 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-20 10:47:22,354 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:22,354 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:22,354 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:22,354 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:22,484 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][273], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-20 10:47:22,484 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-20 10:47:22,484 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-20 10:47:22,484 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:22,484 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:22,484 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-20 10:47:22,485 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 142#true, Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-20 10:47:22,485 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-20 10:47:22,485 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:22,485 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:22,485 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-20 10:47:22,485 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:22,485 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:23,880 INFO L381 tUnfolder$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]) [2022-11-20 10:47:23,881 INFO L383 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-11-20 10:47:23,881 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-20 10:47:23,881 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:23,881 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-20 10:47:23,881 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), 567#(< ~pos~0 2147483647), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-20 10:47:23,882 INFO L383 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2022-11-20 10:47:23,882 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-20 10:47:23,882 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:23,882 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:23,882 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:23,898 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-20 10:47:23,898 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-20 10:47:23,899 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:23,899 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:23,899 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-20 10:47:24,011 INFO L381 tUnfolder$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]) [2022-11-20 10:47:24,011 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-20 10:47:24,011 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-20 10:47:24,012 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-20 10:47:24,012 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:24,012 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-20 10:47:24,012 INFO L381 tUnfolder$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]) [2022-11-20 10:47:24,012 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-20 10:47:24,012 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-20 10:47:24,012 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-20 10:47:24,013 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:24,013 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:24,013 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:25,488 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-20 10:47:25,488 INFO L383 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2022-11-20 10:47:25,488 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:25,488 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-20 10:47:25,488 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:27,989 INFO L381 tUnfolder$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]) [2022-11-20 10:47:27,989 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-20 10:47:27,989 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:27,989 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:27,989 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:27,989 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-20 10:47:27,990 INFO L381 tUnfolder$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]) [2022-11-20 10:47:27,990 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-20 10:47:27,990 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:27,990 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-20 10:47:27,990 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:27,990 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][667], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 183#(<= 0 ~pos~0), Black: 602#(< ~pos~0 2147483644), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 57#L75-1true, 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-20 10:47:27,990 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-20 10:47:27,990 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:47:27,990 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-20 10:47:27,991 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:28,961 INFO L381 tUnfolder$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]) [2022-11-20 10:47:28,961 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-20 10:47:28,961 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-20 10:47:28,961 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:28,961 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-20 10:47:29,002 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([415] L70-->L72: Formula: (and (<= 0 (+ v_~pos~0_96 2147483646)) (= (+ 2 v_~pos~0_95) v_~pos~0_96) (<= v_~pos~0_96 2147483649)) InVars {~pos~0=v_~pos~0_96} OutVars{~pos~0=v_~pos~0_95} AuxVars[] AssignedVars[~pos~0][366], [thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 69#L72true, Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 404#(<= ~pos~0 2), 96#L122-2true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 589#(< ~pos~0 2147483645), 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 966#(< 0 (+ ~pos~0 2147483646)), 294#(< 0 (+ 2147483647 ~pos~0)), 728#(<= 0 (+ ~pos~0 2)), 401#true]) [2022-11-20 10:47:29,002 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-20 10:47:29,002 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-20 10:47:29,002 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:29,003 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-20 10:47:29,669 INFO L381 tUnfolder$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]) [2022-11-20 10:47:29,670 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-20 10:47:29,670 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:29,670 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:29,670 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-20 10:47:29,670 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:29,670 INFO L381 tUnfolder$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]) [2022-11-20 10:47:29,670 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-20 10:47:29,671 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-20 10:47:29,671 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-20 10:47:29,671 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:29,671 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L44-->L50: Formula: (and (<= v_~pos~0_89 2147483647) (<= 0 (+ 2147483648 v_~pos~0_89)) (= (+ v_~pos~0_90 1) v_~pos~0_89)) InVars {~pos~0=v_~pos~0_90} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|, ~pos~0=v_~pos~0_89} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1, ~pos~0][667], [408#true, thread3Thread1of1ForFork1InUse, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 401#true]) [2022-11-20 10:47:29,671 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-20 10:47:29,671 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:29,671 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-20 10:47:29,672 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-20 10:47:34,621 INFO L381 tUnfolder$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]) [2022-11-20 10:47:34,621 INFO L383 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2022-11-20 10:47:34,621 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:34,621 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-20 10:47:34,622 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:36,151 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][92], [408#true, thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, 90#L70true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 68#thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 1076#(= (* (div ~d2~0 256) 256) ~d2~0), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 401#true]) [2022-11-20 10:47:36,152 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-20 10:47:36,152 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-20 10:47:36,152 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:36,152 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:36,152 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-20 10:47:36,152 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:36,152 INFO L381 tUnfolder$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]) [2022-11-20 10:47:36,153 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-20 10:47:36,153 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-20 10:47:36,153 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-20 10:47:36,153 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-20 10:47:36,153 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:36,154 INFO L381 tUnfolder$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]) [2022-11-20 10:47:36,154 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-20 10:47:36,154 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:36,154 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-20 10:47:36,154 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-20 10:47:36,155 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-20 10:47:36,986 INFO L381 tUnfolder$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]) [2022-11-20 10:47:36,986 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-20 10:47:36,986 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-20 10:47:36,986 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-20 10:47:36,986 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-20 10:47:36,986 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L48-->L50: Formula: (and (<= 0 (+ 2147483648 v_~pos~0_73)) (<= v_~pos~0_73 2147483647) (= v_~pos~0_74 (+ v_~pos~0_73 1))) InVars {~pos~0=v_~pos~0_74} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_5|, ~pos~0=v_~pos~0_73} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post2, ~pos~0][78], [thread3Thread1of1ForFork1InUse, 262#(<= 0 (+ ~pos~0 1)), 88#L97-1true, 104#L50true, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 183#(<= 0 ~pos~0), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 440#(<= ~pos~0 0), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 411#(<= ~pos~0 1), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 1074#true, Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 67#L121-4true, 567#(< ~pos~0 2147483647), Black: 757#(<= 0 ~pos~0), Black: 729#(<= 0 (+ ~pos~0 4)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), Black: 966#(< 0 (+ ~pos~0 2147483646)), 836#(<= 0 (+ ~pos~0 1)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-20 10:47:36,986 INFO L383 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-11-20 10:47:36,986 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-20 10:47:36,987 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-20 10:47:36,987 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-20 10:47:39,086 INFO L381 tUnfolder$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]) [2022-11-20 10:47:39,086 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-20 10:47:39,086 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:39,086 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-20 10:47:39,087 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:39,148 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([433] L88-->L94: Formula: (and (<= v_~pos~0_80 2147483645) (<= 0 (+ 2147483650 v_~pos~0_80)) (= (+ 2 v_~pos~0_80) v_~pos~0_79)) InVars {~pos~0=v_~pos~0_80} OutVars{~pos~0=v_~pos~0_79} AuxVars[] AssignedVars[~pos~0][417], [408#true, thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), Black: 602#(< ~pos~0 2147483644), 183#(<= 0 ~pos~0), 1074#true, Black: 567#(< ~pos~0 2147483647), Black: 589#(< ~pos~0 2147483645), Black: 142#true, Black: 404#(<= ~pos~0 2), 96#L122-2true, Black: 729#(<= 0 (+ ~pos~0 4)), 52#L94true, Black: 836#(<= 0 (+ ~pos~0 1)), Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-20 10:47:39,148 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-20 10:47:39,148 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-20 10:47:39,148 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-20 10:47:39,148 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:39,149 INFO L381 tUnfolder$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]) [2022-11-20 10:47:39,149 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-20 10:47:39,149 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-20 10:47:39,149 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:39,149 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-20 10:47:40,219 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([433] L88-->L94: Formula: (and (<= v_~pos~0_80 2147483645) (<= 0 (+ 2147483650 v_~pos~0_80)) (= (+ 2 v_~pos~0_80) v_~pos~0_79)) InVars {~pos~0=v_~pos~0_80} OutVars{~pos~0=v_~pos~0_79} AuxVars[] AssignedVars[~pos~0][417], [408#true, thread3Thread1of1ForFork1InUse, Black: 278#(< 0 (+ ~pos~0 2147483648)), Black: 154#(= ~pos~0 0), Black: 139#(= ~pos~0 0), Black: 262#(<= 0 (+ ~pos~0 1)), Black: 440#(<= ~pos~0 0), Black: 411#(<= ~pos~0 1), Black: 294#(< 0 (+ 2147483647 ~pos~0)), Black: 155#(= (+ ~pos~0 1) 0), Black: 412#(<= ~pos~0 3), 183#(<= 0 ~pos~0), Black: 602#(< ~pos~0 2147483644), Black: 567#(< ~pos~0 2147483647), 1074#true, Black: 144#(= (* 256 (div ~d1~0 256)) ~d1~0), Black: 589#(< ~pos~0 2147483645), Black: 404#(<= ~pos~0 2), 96#L122-2true, Black: 729#(<= 0 (+ ~pos~0 4)), Black: 836#(<= 0 (+ ~pos~0 1)), 52#L94true, Black: 950#(< 0 (+ 2147483647 ~pos~0)), Black: 922#(< 0 (+ ~pos~0 2147483648)), 150#(<= ~pos~0 2147483647), Black: 728#(<= 0 (+ ~pos~0 2)), 757#(<= 0 ~pos~0), Black: 966#(< 0 (+ ~pos~0 2147483646)), 13#thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 401#true]) [2022-11-20 10:47:40,220 INFO L383 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2022-11-20 10:47:40,220 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:40,220 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-20 10:47:40,220 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-20 10:47:40,220 INFO L381 tUnfolder$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]) [2022-11-20 10:47:40,220 INFO L383 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2022-11-20 10:47:40,220 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-20 10:47:40,220 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:47:40,220 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-20 10:47:44,064 INFO L130 PetriNetUnfolder]: 52979/137987 cut-off events. [2022-11-20 10:47:44,064 INFO L131 PetriNetUnfolder]: For 933962/964791 co-relation queries the response was YES. [2022-11-20 10:47:45,253 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. [2022-11-20 10:47:46,318 INFO L137 encePairwiseOnDemand]: 134/140 looper letters, 1181 selfloop transitions, 5 changer transitions 0/1311 dead transitions. [2022-11-20 10:47:46,319 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 1311 transitions, 20076 flow [2022-11-20 10:47:46,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:46,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2022-11-20 10:47:46,321 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8547619047619047 [2022-11-20 10:47:46,321 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 359 transitions. [2022-11-20 10:47:46,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 359 transitions. [2022-11-20 10:47:46,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:46,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 359 transitions. [2022-11-20 10:47:46,323 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) [2022-11-20 10:47:46,324 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) [2022-11-20 10:47:46,325 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) [2022-11-20 10:47:46,325 INFO L175 Difference]: Start difference. First operand has 153 places, 854 transitions, 11181 flow. Second operand 3 states and 359 transitions. [2022-11-20 10:47:46,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 1311 transitions, 20076 flow [2022-11-20 10:47:57,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 1311 transitions, 19597 flow, removed 217 selfloop flow, removed 3 redundant places. [2022-11-20 10:47:57,802 INFO L231 Difference]: Finished difference. Result has 154 places, 856 transitions, 10912 flow [2022-11-20 10:47:57,802 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} [2022-11-20 10:47:57,803 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, 43 predicate places. [2022-11-20 10:47:57,803 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 856 transitions, 10912 flow [2022-11-20 10:47:57,804 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) [2022-11-20 10:47:57,804 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:57,804 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] [2022-11-20 10:47:57,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:47:57,804 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-20 10:47:57,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:57,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1594903617, now seen corresponding path program 1 times [2022-11-20 10:47:57,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:57,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398577090] [2022-11-20 10:47:57,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:57,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:57,928 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:57,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:57,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398577090] [2022-11-20 10:47:57,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398577090] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:57,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828536426] [2022-11-20 10:47:57,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:57,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:57,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:57,931 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:57,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd80cce-56a2-43bb-89d9-582a2dd6cb33/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 10:47:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:58,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:47:58,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:58,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:58,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828536426] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:47:58,261 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:47:58,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-20 10:47:58,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306145994] [2022-11-20 10:47:58,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:47:58,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 10:47:58,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:58,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 10:47:58,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:47:58,264 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 140 [2022-11-20 10:47:58,266 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) [2022-11-20 10:47:58,266 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:58,266 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 140 [2022-11-20 10:47:58,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand