./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i --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_28ed69b2-53dc-4064-a39d-2a3b0839e59b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/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_28ed69b2-53dc-4064-a39d-2a3b0839e59b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/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_28ed69b2-53dc-4064-a39d-2a3b0839e59b/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 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 --- 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 10:32:43,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:32:43,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:32:43,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:32:43,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:32:43,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:32:43,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:32:43,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:32:43,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:32:43,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:32:43,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:32:43,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:32:43,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:32:43,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:32:43,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:32:43,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:32:43,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:32:43,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:32:43,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:32:43,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:32:43,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:32:43,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:32:43,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:32:43,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:32:43,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:32:43,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:32:43,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:32:43,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:32:43,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:32:43,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:32:43,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:32:43,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:32:43,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:32:43,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:32:43,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:32:43,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:32:43,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:32:43,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:32:43,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:32:43,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:32:43,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:32:43,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 10:32:43,457 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:32:43,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:32:43,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:32:43,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:32:43,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:32:43,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:32:43,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:32:43,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:32:43,461 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:32:43,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:32:43,463 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:32:43,463 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:32:43,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:32:43,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:32:43,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:32:43,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:32:43,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:32:43,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:32:43,464 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:32:43,465 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:32:43,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:32:43,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:32:43,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:32:43,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:32:43,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:32:43,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:32:43,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:32:43,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:32:43,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:32:43,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:32:43,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:32:43,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:32:43,468 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:32:43,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:32:43,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:32:43,469 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_28ed69b2-53dc-4064-a39d-2a3b0839e59b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 [2022-11-20 10:32:43,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:32:43,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:32:43,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:32:43,813 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:32:43,814 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:32:43,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-lit/sssc12_variant.i [2022-11-20 10:32:46,909 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:32:47,232 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:32:47,233 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/sv-benchmarks/c/pthread-lit/sssc12_variant.i [2022-11-20 10:32:47,253 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/bin/uautomizer-ug76WZFUDN/data/bde2aba97/95aa0827bdd04372a5376120f3c2a0e2/FLAGd3256ae04 [2022-11-20 10:32:47,270 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/bin/uautomizer-ug76WZFUDN/data/bde2aba97/95aa0827bdd04372a5376120f3c2a0e2 [2022-11-20 10:32:47,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:32:47,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:32:47,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:32:47,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:32:47,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:32:47,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:32:47" (1/1) ... [2022-11-20 10:32:47,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b16337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:47, skipping insertion in model container [2022-11-20 10:32:47,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:32:47" (1/1) ... [2022-11-20 10:32:47,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:32:47,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:32:47,898 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_28ed69b2-53dc-4064-a39d-2a3b0839e59b/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2022-11-20 10:32:47,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:32:47,934 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:32:47,988 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_28ed69b2-53dc-4064-a39d-2a3b0839e59b/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2022-11-20 10:32:47,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:32:48,074 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:32:48,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48 WrapperNode [2022-11-20 10:32:48,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:32:48,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:32:48,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:32:48,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:32:48,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (1/1) ... [2022-11-20 10:32:48,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (1/1) ... [2022-11-20 10:32:48,142 INFO L138 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2022-11-20 10:32:48,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:32:48,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:32:48,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:32:48,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:32:48,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (1/1) ... [2022-11-20 10:32:48,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (1/1) ... [2022-11-20 10:32:48,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (1/1) ... [2022-11-20 10:32:48,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (1/1) ... [2022-11-20 10:32:48,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (1/1) ... [2022-11-20 10:32:48,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (1/1) ... [2022-11-20 10:32:48,193 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (1/1) ... [2022-11-20 10:32:48,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (1/1) ... [2022-11-20 10:32:48,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:32:48,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:32:48,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:32:48,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:32:48,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (1/1) ... [2022-11-20 10:32:48,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:32:48,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:48,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:32:48,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ed69b2-53dc-4064-a39d-2a3b0839e59b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:32:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:32:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2022-11-20 10:32:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2022-11-20 10:32:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:32:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:32:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:32:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:32:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:32:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:32:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:32:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:32:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:32:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:32:48,299 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 10:32:48,438 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:32:48,440 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:32:48,693 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:32:48,727 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:32:48,727 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:32:48,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:32:48 BoogieIcfgContainer [2022-11-20 10:32:48,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:32:48,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:32:48,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:32:48,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:32:48,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:32:47" (1/3) ... [2022-11-20 10:32:48,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2b5c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:32:48, skipping insertion in model container [2022-11-20 10:32:48,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:48" (2/3) ... [2022-11-20 10:32:48,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2b5c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:32:48, skipping insertion in model container [2022-11-20 10:32:48,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:32:48" (3/3) ... [2022-11-20 10:32:48,748 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2022-11-20 10:32:48,758 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:32:48,770 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:32:48,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-20 10:32:48,771 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:32:48,846 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:32:48,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 99 transitions, 203 flow [2022-11-20 10:32:48,940 INFO L130 PetriNetUnfolder]: 7/111 cut-off events. [2022-11-20 10:32:48,941 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:32:48,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 111 events. 7/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 96 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 61. Up to 4 conditions per place. [2022-11-20 10:32:48,947 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 99 transitions, 203 flow [2022-11-20 10:32:48,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 99 transitions, 203 flow [2022-11-20 10:32:48,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:32:48,970 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;@15bfd1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:32:48,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-11-20 10:32:49,008 INFO L130 PetriNetUnfolder]: 3/66 cut-off events. [2022-11-20 10:32:49,021 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:32:49,044 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:32:49,045 INFO L209 CegarLoopForPetriNet]: trace histogram [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] [2022-11-20 10:32:49,045 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-20 10:32:49,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:49,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1224891647, now seen corresponding path program 1 times [2022-11-20 10:32:49,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:49,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304979098] [2022-11-20 10:32:49,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:49,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:32:49,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:32:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:32:49,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:32:49,340 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:32:49,342 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2022-11-20 10:32:49,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2022-11-20 10:32:49,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2022-11-20 10:32:49,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2022-11-20 10:32:49,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2022-11-20 10:32:49,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2022-11-20 10:32:49,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2022-11-20 10:32:49,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2022-11-20 10:32:49,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining) [2022-11-20 10:32:49,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2022-11-20 10:32:49,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2022-11-20 10:32:49,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2022-11-20 10:32:49,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2022-11-20 10:32:49,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:32:49,348 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 10:32:49,352 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-20 10:32:49,353 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-20 10:32:49,393 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:32:49,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 147 transitions, 306 flow [2022-11-20 10:32:49,456 INFO L130 PetriNetUnfolder]: 12/173 cut-off events. [2022-11-20 10:32:49,456 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-20 10:32:49,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 173 events. 12/173 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 338 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 112. Up to 6 conditions per place. [2022-11-20 10:32:49,459 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 147 transitions, 306 flow [2022-11-20 10:32:49,462 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 147 transitions, 306 flow [2022-11-20 10:32:49,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:32:49,465 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;@15bfd1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:32:49,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2022-11-20 10:32:49,480 INFO L130 PetriNetUnfolder]: 3/73 cut-off events. [2022-11-20 10:32:49,480 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 10:32:49,481 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:32:49,481 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, 1, 1, 1, 1] [2022-11-20 10:32:49,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-20 10:32:49,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:49,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1010482724, now seen corresponding path program 1 times [2022-11-20 10:32:49,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:49,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606598227] [2022-11-20 10:32:49,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:49,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,757 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 10:32:49,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:49,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606598227] [2022-11-20 10:32:49,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606598227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:49,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:49,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:49,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540585642] [2022-11-20 10:32:49,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:49,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:49,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:49,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:49,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:49,806 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 147 [2022-11-20 10:32:49,810 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 147 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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 10:32:49,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:32:49,811 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 147 [2022-11-20 10:32:49,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:32:50,314 INFO L130 PetriNetUnfolder]: 200/1215 cut-off events. [2022-11-20 10:32:50,315 INFO L131 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2022-11-20 10:32:50,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1618 conditions, 1215 events. 200/1215 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 9185 event pairs, 118 based on Foata normal form. 283/1310 useless extension candidates. Maximal degree in co-relation 1426. Up to 244 conditions per place. [2022-11-20 10:32:50,333 INFO L137 encePairwiseOnDemand]: 129/147 looper letters, 54 selfloop transitions, 3 changer transitions 1/155 dead transitions. [2022-11-20 10:32:50,334 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 155 transitions, 441 flow [2022-11-20 10:32:50,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:32:50,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2022-11-20 10:32:50,356 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8843537414965986 [2022-11-20 10:32:50,357 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2022-11-20 10:32:50,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2022-11-20 10:32:50,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:32:50,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2022-11-20 10:32:50,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 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 10:32:50,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 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 10:32:50,381 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 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 10:32:50,383 INFO L175 Difference]: Start difference. First operand has 142 places, 147 transitions, 306 flow. Second operand 3 states and 390 transitions. [2022-11-20 10:32:50,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 155 transitions, 441 flow [2022-11-20 10:32:50,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 155 transitions, 439 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-11-20 10:32:50,393 INFO L231 Difference]: Finished difference. Result has 136 places, 133 transitions, 305 flow [2022-11-20 10:32:50,396 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=305, PETRI_PLACES=136, PETRI_TRANSITIONS=133} [2022-11-20 10:32:50,402 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, -6 predicate places. [2022-11-20 10:32:50,403 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 133 transitions, 305 flow [2022-11-20 10:32:50,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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 10:32:50,404 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:32:50,404 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 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] [2022-11-20 10:32:50,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:32:50,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-20 10:32:50,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:50,407 INFO L85 PathProgramCache]: Analyzing trace with hash -628966256, now seen corresponding path program 1 times [2022-11-20 10:32:50,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:50,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752740546] [2022-11-20 10:32:50,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:50,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:32:50,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:32:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:32:50,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:32:50,496 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:32:50,497 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining) [2022-11-20 10:32:50,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining) [2022-11-20 10:32:50,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining) [2022-11-20 10:32:50,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining) [2022-11-20 10:32:50,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining) [2022-11-20 10:32:50,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining) [2022-11-20 10:32:50,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 19 remaining) [2022-11-20 10:32:50,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining) [2022-11-20 10:32:50,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining) [2022-11-20 10:32:50,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining) [2022-11-20 10:32:50,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining) [2022-11-20 10:32:50,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining) [2022-11-20 10:32:50,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining) [2022-11-20 10:32:50,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining) [2022-11-20 10:32:50,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining) [2022-11-20 10:32:50,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining) [2022-11-20 10:32:50,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining) [2022-11-20 10:32:50,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining) [2022-11-20 10:32:50,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining) [2022-11-20 10:32:50,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:32:50,503 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 10:32:50,503 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-20 10:32:50,504 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-20 10:32:50,559 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:32:50,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 188 places, 195 transitions, 411 flow [2022-11-20 10:32:50,610 INFO L130 PetriNetUnfolder]: 17/235 cut-off events. [2022-11-20 10:32:50,610 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-20 10:32:50,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 235 events. 17/235 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 627 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 177. Up to 8 conditions per place. [2022-11-20 10:32:50,613 INFO L82 GeneralOperation]: Start removeDead. Operand has 188 places, 195 transitions, 411 flow [2022-11-20 10:32:50,619 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 188 places, 195 transitions, 411 flow [2022-11-20 10:32:50,621 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:32:50,627 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;@15bfd1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:32:50,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-20 10:32:50,638 INFO L130 PetriNetUnfolder]: 3/73 cut-off events. [2022-11-20 10:32:50,638 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 10:32:50,639 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:32:50,639 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, 1, 1, 1, 1] [2022-11-20 10:32:50,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 10:32:50,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:50,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1096269018, now seen corresponding path program 1 times [2022-11-20 10:32:50,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:50,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591401088] [2022-11-20 10:32:50,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:50,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:50,805 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 10:32:50,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:50,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591401088] [2022-11-20 10:32:50,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591401088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:50,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:50,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:50,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983478982] [2022-11-20 10:32:50,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:50,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:50,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:50,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:50,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:50,812 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 195 [2022-11-20 10:32:50,841 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 195 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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 10:32:50,841 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:32:50,841 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 195 [2022-11-20 10:32:50,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:32:54,170 INFO L130 PetriNetUnfolder]: 5346/18531 cut-off events. [2022-11-20 10:32:54,171 INFO L131 PetriNetUnfolder]: For 1105/1105 co-relation queries the response was YES. [2022-11-20 10:32:54,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26841 conditions, 18531 events. 5346/18531 cut-off events. For 1105/1105 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 227708 event pairs, 2922 based on Foata normal form. 4410/19715 useless extension candidates. Maximal degree in co-relation 24171. Up to 3995 conditions per place. [2022-11-20 10:32:54,469 INFO L137 encePairwiseOnDemand]: 170/195 looper letters, 81 selfloop transitions, 4 changer transitions 1/212 dead transitions. [2022-11-20 10:32:54,469 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 212 transitions, 627 flow [2022-11-20 10:32:54,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:32:54,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 513 transitions. [2022-11-20 10:32:54,472 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8769230769230769 [2022-11-20 10:32:54,472 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 513 transitions. [2022-11-20 10:32:54,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 513 transitions. [2022-11-20 10:32:54,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:32:54,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 513 transitions. [2022-11-20 10:32:54,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 10:32:54,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 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 10:32:54,477 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 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 10:32:54,477 INFO L175 Difference]: Start difference. First operand has 188 places, 195 transitions, 411 flow. Second operand 3 states and 513 transitions. [2022-11-20 10:32:54,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 212 transitions, 627 flow [2022-11-20 10:32:54,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 212 transitions, 619 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-11-20 10:32:54,483 INFO L231 Difference]: Finished difference. Result has 181 places, 179 transitions, 415 flow [2022-11-20 10:32:54,483 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=415, PETRI_PLACES=181, PETRI_TRANSITIONS=179} [2022-11-20 10:32:54,484 INFO L288 CegarLoopForPetriNet]: 188 programPoint places, -7 predicate places. [2022-11-20 10:32:54,484 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 179 transitions, 415 flow [2022-11-20 10:32:54,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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 10:32:54,485 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:32:54,485 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:54,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:32:54,485 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 10:32:54,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:54,486 INFO L85 PathProgramCache]: Analyzing trace with hash 99061246, now seen corresponding path program 1 times [2022-11-20 10:32:54,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:54,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296510794] [2022-11-20 10:32:54,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:54,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:32:54,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:32:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:32:54,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:32:54,556 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:32:54,556 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining) [2022-11-20 10:32:54,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 25 remaining) [2022-11-20 10:32:54,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 25 remaining) [2022-11-20 10:32:54,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 25 remaining) [2022-11-20 10:32:54,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 25 remaining) [2022-11-20 10:32:54,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 25 remaining) [2022-11-20 10:32:54,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 25 remaining) [2022-11-20 10:32:54,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 25 remaining) [2022-11-20 10:32:54,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 25 remaining) [2022-11-20 10:32:54,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 25 remaining) [2022-11-20 10:32:54,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 25 remaining) [2022-11-20 10:32:54,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 25 remaining) [2022-11-20 10:32:54,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 25 remaining) [2022-11-20 10:32:54,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 25 remaining) [2022-11-20 10:32:54,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 25 remaining) [2022-11-20 10:32:54,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 25 remaining) [2022-11-20 10:32:54,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 25 remaining) [2022-11-20 10:32:54,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 25 remaining) [2022-11-20 10:32:54,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 25 remaining) [2022-11-20 10:32:54,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 25 remaining) [2022-11-20 10:32:54,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 25 remaining) [2022-11-20 10:32:54,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 25 remaining) [2022-11-20 10:32:54,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 25 remaining) [2022-11-20 10:32:54,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 25 remaining) [2022-11-20 10:32:54,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 25 remaining) [2022-11-20 10:32:54,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:32:54,570 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 10:32:54,571 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-20 10:32:54,571 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-11-20 10:32:54,623 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:32:54,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 234 places, 243 transitions, 518 flow [2022-11-20 10:32:54,691 INFO L130 PetriNetUnfolder]: 22/297 cut-off events. [2022-11-20 10:32:54,692 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-11-20 10:32:54,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 297 events. 22/297 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 917 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 243. Up to 10 conditions per place. [2022-11-20 10:32:54,696 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 243 transitions, 518 flow [2022-11-20 10:32:54,700 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 234 places, 243 transitions, 518 flow [2022-11-20 10:32:54,702 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:32:54,705 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;@15bfd1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:32:54,706 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-11-20 10:32:54,712 INFO L130 PetriNetUnfolder]: 4/76 cut-off events. [2022-11-20 10:32:54,712 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 10:32:54,712 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:32:54,712 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, 1, 1, 1, 1] [2022-11-20 10:32:54,712 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2022-11-20 10:32:54,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:54,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1805319977, now seen corresponding path program 1 times [2022-11-20 10:32:54,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:54,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861307821] [2022-11-20 10:32:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:54,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,775 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 10:32:54,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:54,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861307821] [2022-11-20 10:32:54,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861307821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:54,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:54,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:54,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090007331] [2022-11-20 10:32:54,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:54,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:54,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:54,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:54,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:54,778 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 243 [2022-11-20 10:32:54,779 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 243 transitions, 518 flow. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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 10:32:54,779 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:32:54,780 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 243 [2022-11-20 10:32:54,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:33:32,553 INFO L130 PetriNetUnfolder]: 114952/286352 cut-off events. [2022-11-20 10:33:32,554 INFO L131 PetriNetUnfolder]: For 26198/26198 co-relation queries the response was YES. [2022-11-20 10:33:34,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447750 conditions, 286352 events. 114952/286352 cut-off events. For 26198/26198 co-relation queries the response was YES. Maximal size of possible extension queue 8606. Compared 4314379 event pairs, 54708 based on Foata normal form. 68602/299696 useless extension candidates. Maximal degree in co-relation 403362. Up to 89529 conditions per place. [2022-11-20 10:33:36,704 INFO L137 encePairwiseOnDemand]: 211/243 looper letters, 108 selfloop transitions, 5 changer transitions 1/269 dead transitions. [2022-11-20 10:33:36,705 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 269 transitions, 817 flow [2022-11-20 10:33:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:36,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:33:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2022-11-20 10:33:36,707 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8724279835390947 [2022-11-20 10:33:36,708 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 636 transitions. [2022-11-20 10:33:36,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 636 transitions. [2022-11-20 10:33:36,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:33:36,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 636 transitions. [2022-11-20 10:33:36,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 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 10:33:36,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 10:33:36,713 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 10:33:36,713 INFO L175 Difference]: Start difference. First operand has 234 places, 243 transitions, 518 flow. Second operand 3 states and 636 transitions. [2022-11-20 10:33:36,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 269 transitions, 817 flow [2022-11-20 10:33:36,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 269 transitions, 799 flow, removed 9 selfloop flow, removed 0 redundant places. [2022-11-20 10:33:36,732 INFO L231 Difference]: Finished difference. Result has 226 places, 225 transitions, 525 flow [2022-11-20 10:33:36,733 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=525, PETRI_PLACES=226, PETRI_TRANSITIONS=225} [2022-11-20 10:33:36,736 INFO L288 CegarLoopForPetriNet]: 234 programPoint places, -8 predicate places. [2022-11-20 10:33:36,736 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 225 transitions, 525 flow [2022-11-20 10:33:36,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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 10:33:36,737 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:33:36,737 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:36,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:33:36,737 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2022-11-20 10:33:36,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:36,738 INFO L85 PathProgramCache]: Analyzing trace with hash -371376934, now seen corresponding path program 1 times [2022-11-20 10:33:36,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:33:36,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093850692] [2022-11-20 10:33:36,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:36,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:33:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:36,888 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 10:33:36,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:33:36,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093850692] [2022-11-20 10:33:36,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093850692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:36,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:36,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:33:36,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263787068] [2022-11-20 10:33:36,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:36,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:33:36,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:33:36,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:33:36,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:33:36,894 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 243 [2022-11-20 10:33:36,896 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 225 transitions, 525 flow. Second operand has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 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 10:33:36,896 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:33:36,896 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 243 [2022-11-20 10:33:36,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:33:39,202 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 164#thrENTRYtrue, 137#L1019true, 242#true, thrThread3of4ForFork0InUse, 198#L1019true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:39,202 INFO L383 tUnfolder$Statistics]: this new event has 109 ancestors and is cut-off event [2022-11-20 10:33:39,202 INFO L386 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2022-11-20 10:33:39,202 INFO L386 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2022-11-20 10:33:39,202 INFO L386 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2022-11-20 10:33:39,682 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, 242#true, thrThread3of4ForFork0InUse, 198#L1019true, thrThread4of4ForFork0InUse, 93#L1022-1true, 105#L1019true, 237#true]) [2022-11-20 10:33:39,683 INFO L383 tUnfolder$Statistics]: this new event has 111 ancestors and is cut-off event [2022-11-20 10:33:39,683 INFO L386 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2022-11-20 10:33:39,683 INFO L386 tUnfolder$Statistics]: existing Event has 106 ancestors and is cut-off event [2022-11-20 10:33:39,683 INFO L386 tUnfolder$Statistics]: existing Event has 106 ancestors and is cut-off event [2022-11-20 10:33:39,798 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 83#L1023true, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, 242#true, thrThread3of4ForFork0InUse, 198#L1019true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:39,798 INFO L383 tUnfolder$Statistics]: this new event has 112 ancestors and is cut-off event [2022-11-20 10:33:39,798 INFO L386 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2022-11-20 10:33:39,798 INFO L386 tUnfolder$Statistics]: existing Event has 112 ancestors and is cut-off event [2022-11-20 10:33:39,799 INFO L386 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2022-11-20 10:33:39,890 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([969] L1016-->L1019: Formula: (and (= |v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3|) (not (= |v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3| 0)) (= |v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (= v_~lock~0_29 0)) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread3of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3|, thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29} AuxVars[] AssignedVars[thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread3of4ForFork0_assume_abort_if_not_~cond#1][139], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 244#(= |thrThread1of4ForFork0_~c~0#1| 0), 206#L1024true, 198#L1019true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:39,890 INFO L383 tUnfolder$Statistics]: this new event has 113 ancestors and is cut-off event [2022-11-20 10:33:39,891 INFO L386 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2022-11-20 10:33:39,891 INFO L386 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2022-11-20 10:33:39,891 INFO L386 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2022-11-20 10:33:39,892 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][194], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 244#(= |thrThread1of4ForFork0_~c~0#1| 0), 206#L1024true, 198#L1019true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:39,892 INFO L383 tUnfolder$Statistics]: this new event has 113 ancestors and is cut-off event [2022-11-20 10:33:39,892 INFO L386 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2022-11-20 10:33:39,892 INFO L386 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2022-11-20 10:33:39,892 INFO L386 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2022-11-20 10:33:39,982 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([969] L1016-->L1019: Formula: (and (= |v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3|) (not (= |v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3| 0)) (= |v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (= v_~lock~0_29 0)) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread3of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3|, thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29} AuxVars[] AssignedVars[thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread3of4ForFork0_assume_abort_if_not_~cond#1][141], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 198#L1019true, 22#L1025true, thrThread4of4ForFork0InUse, 245#(and (= |thrThread1of4ForFork0_~end~0#1| 0) (= |thrThread1of4ForFork0_~c~0#1| 0)), 105#L1019true, 237#true]) [2022-11-20 10:33:39,982 INFO L383 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2022-11-20 10:33:39,982 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2022-11-20 10:33:39,982 INFO L386 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2022-11-20 10:33:39,982 INFO L386 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2022-11-20 10:33:39,983 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][195], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 22#L1025true, 198#L1019true, thrThread4of4ForFork0InUse, 245#(and (= |thrThread1of4ForFork0_~end~0#1| 0) (= |thrThread1of4ForFork0_~c~0#1| 0)), 105#L1019true, 237#true]) [2022-11-20 10:33:39,983 INFO L383 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2022-11-20 10:33:39,983 INFO L386 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2022-11-20 10:33:39,984 INFO L386 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2022-11-20 10:33:39,984 INFO L386 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2022-11-20 10:33:40,146 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([969] L1016-->L1019: Formula: (and (= |v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3|) (not (= |v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3| 0)) (= |v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (= v_~lock~0_29 0)) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread3of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3|, thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29} AuxVars[] AssignedVars[thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread3of4ForFork0_assume_abort_if_not_~cond#1][141], [177#L1047-4true, Black: 239#(= ~next~0 0), 17#L1013true, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 198#L1019true, 245#(and (= |thrThread1of4ForFork0_~end~0#1| 0) (= |thrThread1of4ForFork0_~c~0#1| 0)), thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,147 INFO L383 tUnfolder$Statistics]: this new event has 116 ancestors and is cut-off event [2022-11-20 10:33:40,147 INFO L386 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2022-11-20 10:33:40,147 INFO L386 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2022-11-20 10:33:40,147 INFO L386 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2022-11-20 10:33:40,148 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][195], [177#L1047-4true, Black: 239#(= ~next~0 0), 17#L1013true, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 198#L1019true, 245#(and (= |thrThread1of4ForFork0_~end~0#1| 0) (= |thrThread1of4ForFork0_~c~0#1| 0)), thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,148 INFO L383 tUnfolder$Statistics]: this new event has 116 ancestors and is cut-off event [2022-11-20 10:33:40,148 INFO L386 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2022-11-20 10:33:40,148 INFO L386 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2022-11-20 10:33:40,148 INFO L386 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2022-11-20 10:33:40,553 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, 198#L1019true, 56#L1028true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,553 INFO L383 tUnfolder$Statistics]: this new event has 121 ancestors and is cut-off event [2022-11-20 10:33:40,553 INFO L386 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2022-11-20 10:33:40,553 INFO L386 tUnfolder$Statistics]: existing Event has 121 ancestors and is cut-off event [2022-11-20 10:33:40,553 INFO L386 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2022-11-20 10:33:40,623 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([969] L1016-->L1019: Formula: (and (= |v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3|) (not (= |v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3| 0)) (= |v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (= v_~lock~0_29 0)) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread3of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3|, thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29} AuxVars[] AssignedVars[thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread3of4ForFork0_assume_abort_if_not_~cond#1][141], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, 88#L1019true, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 198#L1019true, thrThread4of4ForFork0InUse, 245#(and (= |thrThread1of4ForFork0_~end~0#1| 0) (= |thrThread1of4ForFork0_~c~0#1| 0)), 105#L1019true, 237#true]) [2022-11-20 10:33:40,623 INFO L383 tUnfolder$Statistics]: this new event has 122 ancestors and is cut-off event [2022-11-20 10:33:40,624 INFO L386 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2022-11-20 10:33:40,624 INFO L386 tUnfolder$Statistics]: existing Event has 122 ancestors and is cut-off event [2022-11-20 10:33:40,624 INFO L386 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2022-11-20 10:33:40,624 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][195], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, 88#L1019true, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 198#L1019true, thrThread4of4ForFork0InUse, 245#(and (= |thrThread1of4ForFork0_~end~0#1| 0) (= |thrThread1of4ForFork0_~c~0#1| 0)), 105#L1019true, 237#true]) [2022-11-20 10:33:40,624 INFO L383 tUnfolder$Statistics]: this new event has 122 ancestors and is cut-off event [2022-11-20 10:33:40,624 INFO L386 tUnfolder$Statistics]: existing Event has 122 ancestors and is cut-off event [2022-11-20 10:33:40,625 INFO L386 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2022-11-20 10:33:40,625 INFO L386 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2022-11-20 10:33:40,673 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 27#thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 88#L1019true, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,673 INFO L383 tUnfolder$Statistics]: this new event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,673 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2022-11-20 10:33:40,673 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2022-11-20 10:33:40,673 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2022-11-20 10:33:40,748 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 25#L1028-3true, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, 198#L1019true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,748 INFO L383 tUnfolder$Statistics]: this new event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,748 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2022-11-20 10:33:40,748 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,748 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2022-11-20 10:33:40,754 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([969] L1016-->L1019: Formula: (and (= |v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3|) (not (= |v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3| 0)) (= |v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (= v_~lock~0_29 0)) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread3of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread3of4ForFork0_assume_abort_if_not_~cond#1_3|, thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29} AuxVars[] AssignedVars[thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread3of4ForFork0_assume_abort_if_not_~cond#1][141], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 198#L1019true, 11#L1031-3true, 245#(and (= |thrThread1of4ForFork0_~end~0#1| 0) (= |thrThread1of4ForFork0_~c~0#1| 0)), thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,754 INFO L383 tUnfolder$Statistics]: this new event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,754 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2022-11-20 10:33:40,754 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,754 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2022-11-20 10:33:40,755 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][195], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 198#L1019true, 11#L1031-3true, 245#(and (= |thrThread1of4ForFork0_~end~0#1| 0) (= |thrThread1of4ForFork0_~c~0#1| 0)), thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,755 INFO L383 tUnfolder$Statistics]: this new event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,755 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,755 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2022-11-20 10:33:40,756 INFO L386 tUnfolder$Statistics]: existing Event has 119 ancestors and is cut-off event [2022-11-20 10:33:40,802 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 27#thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, 11#L1031-3true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,803 INFO L383 tUnfolder$Statistics]: this new event has 126 ancestors and is cut-off event [2022-11-20 10:33:40,803 INFO L386 tUnfolder$Statistics]: existing Event has 121 ancestors and is cut-off event [2022-11-20 10:33:40,803 INFO L386 tUnfolder$Statistics]: existing Event has 121 ancestors and is cut-off event [2022-11-20 10:33:40,803 INFO L386 tUnfolder$Statistics]: existing Event has 121 ancestors and is cut-off event [2022-11-20 10:33:40,807 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [Black: 239#(= ~next~0 0), 177#L1047-4true, 27#thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, 181#L1032true, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,808 INFO L383 tUnfolder$Statistics]: this new event has 126 ancestors and is cut-off event [2022-11-20 10:33:40,808 INFO L386 tUnfolder$Statistics]: existing Event has 121 ancestors and is cut-off event [2022-11-20 10:33:40,808 INFO L386 tUnfolder$Statistics]: existing Event has 121 ancestors and is cut-off event [2022-11-20 10:33:40,808 INFO L386 tUnfolder$Statistics]: existing Event has 121 ancestors and is cut-off event [2022-11-20 10:33:40,808 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [214#L1034true, Black: 239#(= ~next~0 0), 177#L1047-4true, 27#thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,809 INFO L383 tUnfolder$Statistics]: this new event has 129 ancestors and is cut-off event [2022-11-20 10:33:40,809 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,809 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,809 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,809 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [Black: 239#(= ~next~0 0), 177#L1047-4true, 183#L1032-1true, 27#thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,810 INFO L383 tUnfolder$Statistics]: this new event has 127 ancestors and is cut-off event [2022-11-20 10:33:40,810 INFO L386 tUnfolder$Statistics]: existing Event has 122 ancestors and is cut-off event [2022-11-20 10:33:40,810 INFO L386 tUnfolder$Statistics]: existing Event has 122 ancestors and is cut-off event [2022-11-20 10:33:40,810 INFO L386 tUnfolder$Statistics]: existing Event has 122 ancestors and is cut-off event [2022-11-20 10:33:40,810 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [Black: 239#(= ~next~0 0), 177#L1047-4true, 27#thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, 21#L1033true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,811 INFO L383 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2022-11-20 10:33:40,811 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-20 10:33:40,811 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-20 10:33:40,811 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-20 10:33:40,894 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 44#thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 88#L1019true, 137#L1019true, 242#true, thrThread3of4ForFork0InUse, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,894 INFO L383 tUnfolder$Statistics]: this new event has 127 ancestors and is cut-off event [2022-11-20 10:33:40,894 INFO L386 tUnfolder$Statistics]: existing Event has 122 ancestors and is cut-off event [2022-11-20 10:33:40,895 INFO L386 tUnfolder$Statistics]: existing Event has 122 ancestors and is cut-off event [2022-11-20 10:33:40,895 INFO L386 tUnfolder$Statistics]: existing Event has 122 ancestors and is cut-off event [2022-11-20 10:33:40,945 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [Black: 239#(= ~next~0 0), 177#L1047-4true, 227#thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 88#L1019true, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,946 INFO L383 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2022-11-20 10:33:40,946 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-20 10:33:40,946 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-20 10:33:40,946 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-20 10:33:40,969 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 44#thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, 11#L1031-3true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,969 INFO L383 tUnfolder$Statistics]: this new event has 129 ancestors and is cut-off event [2022-11-20 10:33:40,969 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,969 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,969 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,972 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [214#L1034true, 177#L1047-4true, Black: 239#(= ~next~0 0), 44#thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, 242#true, thrThread3of4ForFork0InUse, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,972 INFO L383 tUnfolder$Statistics]: this new event has 132 ancestors and is cut-off event [2022-11-20 10:33:40,972 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-20 10:33:40,972 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-20 10:33:40,972 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-20 10:33:40,972 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, 183#L1032-1true, Black: 239#(= ~next~0 0), 44#thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,972 INFO L383 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2022-11-20 10:33:40,973 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-20 10:33:40,973 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-20 10:33:40,973 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-20 10:33:40,973 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 44#thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 21#L1033true, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,973 INFO L383 tUnfolder$Statistics]: this new event has 131 ancestors and is cut-off event [2022-11-20 10:33:40,973 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-20 10:33:40,973 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-20 10:33:40,973 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-20 10:33:40,974 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 44#thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, 181#L1032true, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:40,974 INFO L383 tUnfolder$Statistics]: this new event has 129 ancestors and is cut-off event [2022-11-20 10:33:40,974 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,974 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:40,974 INFO L386 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2022-11-20 10:33:41,013 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 227#thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, 11#L1031-3true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,013 INFO L383 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2022-11-20 10:33:41,014 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-20 10:33:41,014 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-20 10:33:41,014 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-20 10:33:41,018 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, 183#L1032-1true, Black: 239#(= ~next~0 0), 227#thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,018 INFO L383 tUnfolder$Statistics]: this new event has 131 ancestors and is cut-off event [2022-11-20 10:33:41,018 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-20 10:33:41,018 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-20 10:33:41,018 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-20 10:33:41,018 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [214#L1034true, 177#L1047-4true, Black: 239#(= ~next~0 0), 227#thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,018 INFO L383 tUnfolder$Statistics]: this new event has 133 ancestors and is cut-off event [2022-11-20 10:33:41,019 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2022-11-20 10:33:41,019 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2022-11-20 10:33:41,019 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2022-11-20 10:33:41,019 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 227#thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, 181#L1032true, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,019 INFO L383 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2022-11-20 10:33:41,019 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-20 10:33:41,019 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-20 10:33:41,020 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-20 10:33:41,020 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 227#thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 21#L1033true, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,020 INFO L383 tUnfolder$Statistics]: this new event has 132 ancestors and is cut-off event [2022-11-20 10:33:41,020 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-20 10:33:41,020 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-20 10:33:41,021 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-20 10:33:41,583 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 27#thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 19#L1035-1true, 105#L1019true, 237#true]) [2022-11-20 10:33:41,583 INFO L383 tUnfolder$Statistics]: this new event has 132 ancestors and is cut-off event [2022-11-20 10:33:41,583 INFO L386 tUnfolder$Statistics]: existing Event has 132 ancestors and is cut-off event [2022-11-20 10:33:41,583 INFO L386 tUnfolder$Statistics]: existing Event has 137 ancestors and is cut-off event [2022-11-20 10:33:41,583 INFO L386 tUnfolder$Statistics]: existing Event has 132 ancestors and is cut-off event [2022-11-20 10:33:41,583 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 27#thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, 128#thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 242#true, thrThread3of4ForFork0InUse, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,584 INFO L383 tUnfolder$Statistics]: this new event has 132 ancestors and is cut-off event [2022-11-20 10:33:41,584 INFO L386 tUnfolder$Statistics]: existing Event has 132 ancestors and is cut-off event [2022-11-20 10:33:41,584 INFO L386 tUnfolder$Statistics]: existing Event has 132 ancestors and is cut-off event [2022-11-20 10:33:41,584 INFO L386 tUnfolder$Statistics]: existing Event has 137 ancestors and is cut-off event [2022-11-20 10:33:41,617 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 27#thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, 80#thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 242#true, thrThread3of4ForFork0InUse, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,617 INFO L383 tUnfolder$Statistics]: this new event has 133 ancestors and is cut-off event [2022-11-20 10:33:41,617 INFO L386 tUnfolder$Statistics]: existing Event has 133 ancestors and is cut-off event [2022-11-20 10:33:41,617 INFO L386 tUnfolder$Statistics]: existing Event has 133 ancestors and is cut-off event [2022-11-20 10:33:41,618 INFO L386 tUnfolder$Statistics]: existing Event has 138 ancestors and is cut-off event [2022-11-20 10:33:41,618 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 27#thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, 76#L1035-2true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,618 INFO L383 tUnfolder$Statistics]: this new event has 133 ancestors and is cut-off event [2022-11-20 10:33:41,618 INFO L386 tUnfolder$Statistics]: existing Event has 138 ancestors and is cut-off event [2022-11-20 10:33:41,618 INFO L386 tUnfolder$Statistics]: existing Event has 133 ancestors and is cut-off event [2022-11-20 10:33:41,618 INFO L386 tUnfolder$Statistics]: existing Event has 133 ancestors and is cut-off event [2022-11-20 10:33:41,676 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, 44#thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 19#L1035-1true, 105#L1019true, 237#true]) [2022-11-20 10:33:41,677 INFO L383 tUnfolder$Statistics]: this new event has 135 ancestors and is cut-off event [2022-11-20 10:33:41,677 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-20 10:33:41,677 INFO L386 tUnfolder$Statistics]: existing Event has 140 ancestors and is cut-off event [2022-11-20 10:33:41,677 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-20 10:33:41,677 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, 44#thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 128#thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,678 INFO L383 tUnfolder$Statistics]: this new event has 135 ancestors and is cut-off event [2022-11-20 10:33:41,678 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-20 10:33:41,678 INFO L386 tUnfolder$Statistics]: existing Event has 140 ancestors and is cut-off event [2022-11-20 10:33:41,678 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-20 10:33:41,704 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 227#thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 19#L1035-1true, 105#L1019true, 237#true]) [2022-11-20 10:33:41,704 INFO L383 tUnfolder$Statistics]: this new event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,704 INFO L386 tUnfolder$Statistics]: existing Event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,704 INFO L386 tUnfolder$Statistics]: existing Event has 141 ancestors and is cut-off event [2022-11-20 10:33:41,704 INFO L386 tUnfolder$Statistics]: existing Event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,705 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 227#thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, 242#true, thrThread3of4ForFork0InUse, 128#thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,705 INFO L383 tUnfolder$Statistics]: this new event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,705 INFO L386 tUnfolder$Statistics]: existing Event has 141 ancestors and is cut-off event [2022-11-20 10:33:41,705 INFO L386 tUnfolder$Statistics]: existing Event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,705 INFO L386 tUnfolder$Statistics]: existing Event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,706 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, 44#thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread2of4ForFork0InUse, 137#L1019true, 80#thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,706 INFO L383 tUnfolder$Statistics]: this new event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,707 INFO L386 tUnfolder$Statistics]: existing Event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,707 INFO L386 tUnfolder$Statistics]: existing Event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,707 INFO L386 tUnfolder$Statistics]: existing Event has 141 ancestors and is cut-off event [2022-11-20 10:33:41,707 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), thrThread1of4ForFork0InUse, 44#thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 242#true, 76#L1035-2true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,707 INFO L383 tUnfolder$Statistics]: this new event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,707 INFO L386 tUnfolder$Statistics]: existing Event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,708 INFO L386 tUnfolder$Statistics]: existing Event has 141 ancestors and is cut-off event [2022-11-20 10:33:41,708 INFO L386 tUnfolder$Statistics]: existing Event has 136 ancestors and is cut-off event [2022-11-20 10:33:41,732 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 227#thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, 80#thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread3of4ForFork0InUse, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,732 INFO L383 tUnfolder$Statistics]: this new event has 137 ancestors and is cut-off event [2022-11-20 10:33:41,732 INFO L386 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2022-11-20 10:33:41,732 INFO L386 tUnfolder$Statistics]: existing Event has 137 ancestors and is cut-off event [2022-11-20 10:33:41,732 INFO L386 tUnfolder$Statistics]: existing Event has 137 ancestors and is cut-off event [2022-11-20 10:33:41,733 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1016] L1016-->L1019: Formula: (and (= v_~lock~0_29 0) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|) (= |v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3| (ite (= v_~lock~0_30 1) 1 0)) (not (= 0 |v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|))) InVars {~lock~0=v_~lock~0_30} OutVars{thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1_3|, ~lock~0=v_~lock~0_29, thrThread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thrThread4of4ForFork0_assume_abort_if_not_~cond#1_3|} AuxVars[] AssignedVars[thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1, ~lock~0, thrThread4of4ForFork0_assume_abort_if_not_~cond#1][193], [177#L1047-4true, Black: 239#(= ~next~0 0), 227#thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOWtrue, thrThread1of4ForFork0InUse, thrThread2of4ForFork0InUse, 137#L1019true, thrThread3of4ForFork0InUse, 76#L1035-2true, 242#true, thrThread4of4ForFork0InUse, 105#L1019true, 237#true]) [2022-11-20 10:33:41,733 INFO L383 tUnfolder$Statistics]: this new event has 137 ancestors and is cut-off event [2022-11-20 10:33:41,733 INFO L386 tUnfolder$Statistics]: existing Event has 137 ancestors and is cut-off event [2022-11-20 10:33:41,733 INFO L386 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2022-11-20 10:33:41,733 INFO L386 tUnfolder$Statistics]: existing Event has 137 ancestors and is cut-off event [2022-11-20 10:33:41,814 INFO L130 PetriNetUnfolder]: 10589/29713 cut-off events. [2022-11-20 10:33:41,815 INFO L131 PetriNetUnfolder]: For 1447/1486 co-relation queries the response was YES. [2022-11-20 10:33:42,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47552 conditions, 29713 events. 10589/29713 cut-off events. For 1447/1486 co-relation queries the response was YES. Maximal size of possible extension queue 1946. Compared 371430 event pairs, 5822 based on Foata normal form. 6/23352 useless extension candidates. Maximal degree in co-relation 47322. Up to 8384 conditions per place. [2022-11-20 10:33:42,297 INFO L137 encePairwiseOnDemand]: 239/243 looper letters, 47 selfloop transitions, 3 changer transitions 0/245 dead transitions. [2022-11-20 10:33:42,297 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 245 transitions, 695 flow [2022-11-20 10:33:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:33:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-20 10:33:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 846 transitions. [2022-11-20 10:33:42,300 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8703703703703703 [2022-11-20 10:33:42,301 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 846 transitions. [2022-11-20 10:33:42,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 846 transitions. [2022-11-20 10:33:42,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:33:42,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 846 transitions. [2022-11-20 10:33:42,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 211.5) internal successors, (846), 4 states have internal predecessors, (846), 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 10:33:42,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 243.0) internal successors, (1215), 5 states have internal predecessors, (1215), 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 10:33:42,308 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 243.0) internal successors, (1215), 5 states have internal predecessors, (1215), 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 10:33:42,308 INFO L175 Difference]: Start difference. First operand has 226 places, 225 transitions, 525 flow. Second operand 4 states and 846 transitions. [2022-11-20 10:33:42,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 245 transitions, 695 flow [2022-11-20 10:33:42,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 245 transitions, 690 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:33:42,314 INFO L231 Difference]: Finished difference. Result has 228 places, 225 transitions, 530 flow [2022-11-20 10:33:42,315 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=530, PETRI_PLACES=228, PETRI_TRANSITIONS=225} [2022-11-20 10:33:42,316 INFO L288 CegarLoopForPetriNet]: 234 programPoint places, -6 predicate places. [2022-11-20 10:33:42,316 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 225 transitions, 530 flow [2022-11-20 10:33:42,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 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 10:33:42,317 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:33:42,317 INFO L209 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:42,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:33:42,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2022-11-20 10:33:42,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:42,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1196885885, now seen corresponding path program 1 times [2022-11-20 10:33:42,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:33:42,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638317704] [2022-11-20 10:33:42,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:42,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:33:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:33:42,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:33:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:33:42,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:33:42,362 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:33:42,363 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2022-11-20 10:33:42,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 31 remaining) [2022-11-20 10:33:42,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 31 remaining) [2022-11-20 10:33:42,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 31 remaining) [2022-11-20 10:33:42,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 31 remaining) [2022-11-20 10:33:42,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 31 remaining) [2022-11-20 10:33:42,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 31 remaining) [2022-11-20 10:33:42,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 31 remaining) [2022-11-20 10:33:42,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 31 remaining) [2022-11-20 10:33:42,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 31 remaining) [2022-11-20 10:33:42,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 31 remaining) [2022-11-20 10:33:42,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 31 remaining) [2022-11-20 10:33:42,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 31 remaining) [2022-11-20 10:33:42,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 31 remaining) [2022-11-20 10:33:42,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 31 remaining) [2022-11-20 10:33:42,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 31 remaining) [2022-11-20 10:33:42,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 31 remaining) [2022-11-20 10:33:42,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 31 remaining) [2022-11-20 10:33:42,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 31 remaining) [2022-11-20 10:33:42,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 31 remaining) [2022-11-20 10:33:42,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 31 remaining) [2022-11-20 10:33:42,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 31 remaining) [2022-11-20 10:33:42,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 31 remaining) [2022-11-20 10:33:42,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 31 remaining) [2022-11-20 10:33:42,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 31 remaining) [2022-11-20 10:33:42,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 31 remaining) [2022-11-20 10:33:42,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 31 remaining) [2022-11-20 10:33:42,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 31 remaining) [2022-11-20 10:33:42,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 31 remaining) [2022-11-20 10:33:42,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 31 remaining) [2022-11-20 10:33:42,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 31 remaining) [2022-11-20 10:33:42,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:33:42,374 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 10:33:42,375 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-20 10:33:42,376 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2022-11-20 10:33:42,422 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:33:42,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 280 places, 291 transitions, 627 flow [2022-11-20 10:33:42,484 INFO L130 PetriNetUnfolder]: 27/359 cut-off events. [2022-11-20 10:33:42,484 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-11-20 10:33:42,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 359 events. 27/359 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1212 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 310. Up to 12 conditions per place. [2022-11-20 10:33:42,490 INFO L82 GeneralOperation]: Start removeDead. Operand has 280 places, 291 transitions, 627 flow [2022-11-20 10:33:42,494 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 280 places, 291 transitions, 627 flow [2022-11-20 10:33:42,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:33:42,496 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;@15bfd1f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:33:42,496 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-11-20 10:33:42,501 INFO L130 PetriNetUnfolder]: 4/76 cut-off events. [2022-11-20 10:33:42,502 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 10:33:42,502 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:33:42,502 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, 1, 1, 1, 1] [2022-11-20 10:33:42,502 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 34 more)] === [2022-11-20 10:33:42,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:42,503 INFO L85 PathProgramCache]: Analyzing trace with hash 293445606, now seen corresponding path program 1 times [2022-11-20 10:33:42,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:33:42,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260919873] [2022-11-20 10:33:42,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:42,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:33:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:42,550 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 10:33:42,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:33:42,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260919873] [2022-11-20 10:33:42,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260919873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:42,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:42,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:33:42,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240485025] [2022-11-20 10:33:42,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:42,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:42,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:33:42,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:42,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:42,553 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 291 [2022-11-20 10:33:42,554 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 291 transitions, 627 flow. Second operand has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 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 10:33:42,554 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:33:42,554 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 291 [2022-11-20 10:33:42,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand