./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_60-invariant_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_60-invariant_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --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 ca8ac8d2a0a0bfcebfb7f99229747142c166641dd0f1bf091ac2b4ae67e9ee75 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:49:28,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:49:28,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 06:49:28,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:49:28,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:49:28,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:49:28,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:49:28,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:49:28,726 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:49:28,726 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:49:28,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:49:28,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:49:28,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:49:28,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:49:28,727 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:49:28,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:49:28,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:49:28,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:49:28,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:49:28,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:49:28,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:49:28,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:49:28,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:49:28,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:49:28,728 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 06:49:28,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 06:49:28,728 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:49:28,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:49:28,728 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:49:28,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:49:28,728 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:49:28,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:49:28,728 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:49:28,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:49:28,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:49:28,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:49:28,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:49:28,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:49:28,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:49:28,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:49:28,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:49:28,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:49:28,729 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:49:28,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:49:28,729 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:49:28,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:49:28,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:49:28,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:49:28,730 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:49:28,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:49:28,730 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> ca8ac8d2a0a0bfcebfb7f99229747142c166641dd0f1bf091ac2b4ae67e9ee75 [2024-12-02 06:49:28,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:49:28,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:49:28,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:49:28,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:49:28,972 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:49:28,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/28-race_reach_60-invariant_racefree.i [2024-12-02 06:49:31,675 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/data/7ae877985/5ba18e7f82e743a9a0dfc91926cea32d/FLAG164136705 [2024-12-02 06:49:31,924 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:49:31,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/sv-benchmarks/c/goblint-regression/28-race_reach_60-invariant_racefree.i [2024-12-02 06:49:31,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/data/7ae877985/5ba18e7f82e743a9a0dfc91926cea32d/FLAG164136705 [2024-12-02 06:49:31,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/data/7ae877985/5ba18e7f82e743a9a0dfc91926cea32d [2024-12-02 06:49:31,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:49:31,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:49:31,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:49:31,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:49:31,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:49:31,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:49:31" (1/1) ... [2024-12-02 06:49:31,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425bb528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:31, skipping insertion in model container [2024-12-02 06:49:31,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:49:31" (1/1) ... [2024-12-02 06:49:32,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:49:32,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:49:32,289 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:49:32,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:49:32,370 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:49:32,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32 WrapperNode [2024-12-02 06:49:32,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:49:32,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:49:32,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:49:32,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:49:32,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,406 INFO L138 Inliner]: procedures = 171, calls = 44, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 171 [2024-12-02 06:49:32,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:49:32,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:49:32,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:49:32,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:49:32,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,431 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 2, 5, 5]. 36 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 0, 5, 5]. The 1 writes are split as follows [0, 1, 0, 0]. [2024-12-02 06:49:32,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,439 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:49:32,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:49:32,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:49:32,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:49:32,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (1/1) ... [2024-12-02 06:49:32,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:49:32,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:49:32,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:49:32,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252ac46f-5509-4db7-ae95-481122c817a3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:49:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:49:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:49:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:49:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:49:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:49:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:49:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:49:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:49:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 06:49:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:49:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 06:49:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-12-02 06:49:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-12-02 06:49:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 06:49:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:49:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:49:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:49:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:49:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 06:49:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:49:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:49:32,505 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 06:49:32,634 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:49:32,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:49:32,904 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 06:49:32,904 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:49:33,050 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:49:33,050 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2024-12-02 06:49:33,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:49:33 BoogieIcfgContainer [2024-12-02 06:49:33,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:49:33,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:49:33,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:49:33,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:49:33,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:49:31" (1/3) ... [2024-12-02 06:49:33,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a9f40dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:49:33, skipping insertion in model container [2024-12-02 06:49:33,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:32" (2/3) ... [2024-12-02 06:49:33,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a9f40dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:49:33, skipping insertion in model container [2024-12-02 06:49:33,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:49:33" (3/3) ... [2024-12-02 06:49:33,060 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_60-invariant_racefree.i [2024-12-02 06:49:33,074 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:49:33,075 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_60-invariant_racefree.i that has 2 procedures, 80 locations, 1 initial locations, 10 loop locations, and 12 error locations. [2024-12-02 06:49:33,076 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 06:49:33,123 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-12-02 06:49:33,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 98 transitions, 203 flow [2024-12-02 06:49:33,208 INFO L124 PetriNetUnfolderBase]: 26/139 cut-off events. [2024-12-02 06:49:33,210 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 06:49:33,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 139 events. 26/139 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 557 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 89. Up to 6 conditions per place. [2024-12-02 06:49:33,215 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 98 transitions, 203 flow [2024-12-02 06:49:33,219 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 97 transitions, 201 flow [2024-12-02 06:49:33,226 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:49:33,238 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@301047d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:49:33,238 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-12-02 06:49:33,244 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 06:49:33,244 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2024-12-02 06:49:33,244 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 06:49:33,244 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:49:33,245 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-12-02 06:49:33,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-12-02 06:49:33,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:33,251 INFO L85 PathProgramCache]: Analyzing trace with hash 490573280, now seen corresponding path program 1 times [2024-12-02 06:49:33,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:33,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029736112] [2024-12-02 06:49:33,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:33,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:49:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:49:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:49:33,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:49:33,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029736112] [2024-12-02 06:49:33,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029736112] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:49:33,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:49:33,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:49:33,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330609031] [2024-12-02 06:49:33,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:49:33,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:49:33,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:49:33,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:49:33,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:49:33,563 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 98 [2024-12-02 06:49:33,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 97 transitions, 201 flow. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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) [2024-12-02 06:49:33,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:49:33,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 98 [2024-12-02 06:49:33,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:49:33,919 INFO L124 PetriNetUnfolderBase]: 301/935 cut-off events. [2024-12-02 06:49:33,920 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 06:49:33,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1580 conditions, 935 events. 301/935 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5867 event pairs, 0 based on Foata normal form. 201/1068 useless extension candidates. Maximal degree in co-relation 1546. Up to 591 conditions per place. [2024-12-02 06:49:33,927 INFO L140 encePairwiseOnDemand]: 76/98 looper letters, 66 selfloop transitions, 3 changer transitions 0/110 dead transitions. [2024-12-02 06:49:33,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 110 transitions, 365 flow [2024-12-02 06:49:33,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:49:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 06:49:33,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 268 transitions. [2024-12-02 06:49:33,939 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6836734693877551 [2024-12-02 06:49:33,940 INFO L175 Difference]: Start difference. First operand has 83 places, 97 transitions, 201 flow. Second operand 4 states and 268 transitions. [2024-12-02 06:49:33,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 110 transitions, 365 flow [2024-12-02 06:49:33,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 110 transitions, 365 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 06:49:33,949 INFO L231 Difference]: Finished difference. Result has 85 places, 79 transitions, 175 flow [2024-12-02 06:49:33,951 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=175, PETRI_PLACES=85, PETRI_TRANSITIONS=79} [2024-12-02 06:49:33,953 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, 2 predicate places. [2024-12-02 06:49:33,954 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 79 transitions, 175 flow [2024-12-02 06:49:33,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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) [2024-12-02 06:49:33,954 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:49:33,954 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-12-02 06:49:33,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:49:33,954 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-12-02 06:49:33,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:33,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1104649861, now seen corresponding path program 1 times [2024-12-02 06:49:33,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:33,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521518307] [2024-12-02 06:49:33,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:33,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:49:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:49:33,981 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:49:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:49:34,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:49:34,010 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:49:34,011 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2024-12-02 06:49:34,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 17 remaining) [2024-12-02 06:49:34,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 17 remaining) [2024-12-02 06:49:34,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 17 remaining) [2024-12-02 06:49:34,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 17 remaining) [2024-12-02 06:49:34,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 17 remaining) [2024-12-02 06:49:34,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 17 remaining) [2024-12-02 06:49:34,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 17 remaining) [2024-12-02 06:49:34,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 17 remaining) [2024-12-02 06:49:34,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 17 remaining) [2024-12-02 06:49:34,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 17 remaining) [2024-12-02 06:49:34,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 17 remaining) [2024-12-02 06:49:34,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 17 remaining) [2024-12-02 06:49:34,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 17 remaining) [2024-12-02 06:49:34,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 17 remaining) [2024-12-02 06:49:34,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 17 remaining) [2024-12-02 06:49:34,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 17 remaining) [2024-12-02 06:49:34,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:49:34,015 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 06:49:34,017 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-12-02 06:49:34,017 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-12-02 06:49:34,045 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-02 06:49:34,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 143 transitions, 302 flow [2024-12-02 06:49:34,069 INFO L124 PetriNetUnfolderBase]: 45/244 cut-off events. [2024-12-02 06:49:34,069 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-12-02 06:49:34,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 244 events. 45/244 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1117 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 147. Up to 9 conditions per place. [2024-12-02 06:49:34,071 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 143 transitions, 302 flow [2024-12-02 06:49:34,074 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 143 transitions, 302 flow [2024-12-02 06:49:34,075 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:49:34,075 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@301047d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:49:34,075 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-12-02 06:49:34,077 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 06:49:34,077 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2024-12-02 06:49:34,077 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 06:49:34,077 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:49:34,077 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-12-02 06:49:34,078 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-12-02 06:49:34,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:34,078 INFO L85 PathProgramCache]: Analyzing trace with hash 627080218, now seen corresponding path program 1 times [2024-12-02 06:49:34,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:34,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326508627] [2024-12-02 06:49:34,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:34,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:49:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:49:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:49:34,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:49:34,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326508627] [2024-12-02 06:49:34,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326508627] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:49:34,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:49:34,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:49:34,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921190998] [2024-12-02 06:49:34,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:49:34,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:49:34,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:49:34,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:49:34,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:49:34,172 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 143 [2024-12-02 06:49:34,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 143 transitions, 302 flow. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 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) [2024-12-02 06:49:34,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:49:34,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 143 [2024-12-02 06:49:34,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:49:36,408 INFO L124 PetriNetUnfolderBase]: 11954/25295 cut-off events. [2024-12-02 06:49:36,409 INFO L125 PetriNetUnfolderBase]: For 109/109 co-relation queries the response was YES. [2024-12-02 06:49:36,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43524 conditions, 25295 events. 11954/25295 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 246631 event pairs, 8436 based on Foata normal form. 5056/28242 useless extension candidates. Maximal degree in co-relation 21179. Up to 18093 conditions per place. [2024-12-02 06:49:36,545 INFO L140 encePairwiseOnDemand]: 113/143 looper letters, 88 selfloop transitions, 3 changer transitions 0/152 dead transitions. [2024-12-02 06:49:36,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 152 transitions, 502 flow [2024-12-02 06:49:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:49:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 06:49:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 378 transitions. [2024-12-02 06:49:36,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6608391608391608 [2024-12-02 06:49:36,548 INFO L175 Difference]: Start difference. First operand has 120 places, 143 transitions, 302 flow. Second operand 4 states and 378 transitions. [2024-12-02 06:49:36,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 152 transitions, 502 flow [2024-12-02 06:49:36,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 152 transitions, 502 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 06:49:36,555 INFO L231 Difference]: Finished difference. Result has 125 places, 121 transitions, 278 flow [2024-12-02 06:49:36,556 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=278, PETRI_PLACES=125, PETRI_TRANSITIONS=121} [2024-12-02 06:49:36,556 INFO L279 CegarLoopForPetriNet]: 120 programPoint places, 5 predicate places. [2024-12-02 06:49:36,556 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 121 transitions, 278 flow [2024-12-02 06:49:36,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 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) [2024-12-02 06:49:36,557 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:49:36,557 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-12-02 06:49:36,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:49:36,557 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-12-02 06:49:36,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:36,558 INFO L85 PathProgramCache]: Analyzing trace with hash 523503323, now seen corresponding path program 1 times [2024-12-02 06:49:36,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:36,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341803521] [2024-12-02 06:49:36,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:36,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:49:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:49:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:49:36,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:49:36,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341803521] [2024-12-02 06:49:36,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341803521] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:49:36,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:49:36,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:49:36,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622529204] [2024-12-02 06:49:36,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:49:36,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:49:36,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:49:36,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:49:36,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:49:36,680 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 143 [2024-12-02 06:49:36,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 121 transitions, 278 flow. Second operand has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 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) [2024-12-02 06:49:36,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:49:36,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 143 [2024-12-02 06:49:36,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:49:39,130 INFO L124 PetriNetUnfolderBase]: 10794/22408 cut-off events. [2024-12-02 06:49:39,130 INFO L125 PetriNetUnfolderBase]: For 1104/1104 co-relation queries the response was YES. [2024-12-02 06:49:39,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40370 conditions, 22408 events. 10794/22408 cut-off events. For 1104/1104 co-relation queries the response was YES. Maximal size of possible extension queue 578. Compared 214836 event pairs, 448 based on Foata normal form. 256/21329 useless extension candidates. Maximal degree in co-relation 3280. Up to 13216 conditions per place. [2024-12-02 06:49:39,221 INFO L140 encePairwiseOnDemand]: 138/143 looper letters, 144 selfloop transitions, 6 changer transitions 0/211 dead transitions. [2024-12-02 06:49:39,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 211 transitions, 756 flow [2024-12-02 06:49:39,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:49:39,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 06:49:39,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 517 transitions. [2024-12-02 06:49:39,225 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6025641025641025 [2024-12-02 06:49:39,225 INFO L175 Difference]: Start difference. First operand has 125 places, 121 transitions, 278 flow. Second operand 6 states and 517 transitions. [2024-12-02 06:49:39,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 211 transitions, 756 flow [2024-12-02 06:49:39,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 211 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 06:49:39,232 INFO L231 Difference]: Finished difference. Result has 128 places, 120 transitions, 284 flow [2024-12-02 06:49:39,232 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=284, PETRI_PLACES=128, PETRI_TRANSITIONS=120} [2024-12-02 06:49:39,233 INFO L279 CegarLoopForPetriNet]: 120 programPoint places, 8 predicate places. [2024-12-02 06:49:39,233 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 120 transitions, 284 flow [2024-12-02 06:49:39,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 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) [2024-12-02 06:49:39,234 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:49:39,234 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-12-02 06:49:39,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:49:39,234 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-12-02 06:49:39,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:39,235 INFO L85 PathProgramCache]: Analyzing trace with hash -951265551, now seen corresponding path program 1 times [2024-12-02 06:49:39,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:39,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174589552] [2024-12-02 06:49:39,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:39,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:49:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:49:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:49:39,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:49:39,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174589552] [2024-12-02 06:49:39,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174589552] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:49:39,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:49:39,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:49:39,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941953434] [2024-12-02 06:49:39,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:49:39,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:49:39,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:49:39,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:49:39,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:49:39,313 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 143 [2024-12-02 06:49:39,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 120 transitions, 284 flow. Second operand has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 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) [2024-12-02 06:49:39,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:49:39,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 143 [2024-12-02 06:49:39,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:49:40,697 INFO L124 PetriNetUnfolderBase]: 10315/21281 cut-off events. [2024-12-02 06:49:40,698 INFO L125 PetriNetUnfolderBase]: For 2015/2015 co-relation queries the response was YES. [2024-12-02 06:49:40,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39081 conditions, 21281 events. 10315/21281 cut-off events. For 2015/2015 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 201012 event pairs, 465 based on Foata normal form. 256/20516 useless extension candidates. Maximal degree in co-relation 17685. Up to 13983 conditions per place. [2024-12-02 06:49:40,767 INFO L140 encePairwiseOnDemand]: 138/143 looper letters, 113 selfloop transitions, 6 changer transitions 0/180 dead transitions. [2024-12-02 06:49:40,767 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 180 transitions, 640 flow [2024-12-02 06:49:40,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:49:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 06:49:40,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 362 transitions. [2024-12-02 06:49:40,772 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6328671328671329 [2024-12-02 06:49:40,772 INFO L175 Difference]: Start difference. First operand has 128 places, 120 transitions, 284 flow. Second operand 4 states and 362 transitions. [2024-12-02 06:49:40,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 180 transitions, 640 flow [2024-12-02 06:49:40,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 180 transitions, 624 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-12-02 06:49:40,781 INFO L231 Difference]: Finished difference. Result has 126 places, 120 transitions, 284 flow [2024-12-02 06:49:40,782 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=284, PETRI_PLACES=126, PETRI_TRANSITIONS=120} [2024-12-02 06:49:40,782 INFO L279 CegarLoopForPetriNet]: 120 programPoint places, 6 predicate places. [2024-12-02 06:49:40,782 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 120 transitions, 284 flow [2024-12-02 06:49:40,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 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) [2024-12-02 06:49:40,783 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:49:40,783 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:49:40,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:49:40,783 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-12-02 06:49:40,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:40,783 INFO L85 PathProgramCache]: Analyzing trace with hash -534586934, now seen corresponding path program 1 times [2024-12-02 06:49:40,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:40,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228431623] [2024-12-02 06:49:40,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:40,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:49:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:49:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:49:40,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:49:40,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228431623] [2024-12-02 06:49:40,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228431623] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:49:40,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:49:40,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:49:40,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516349715] [2024-12-02 06:49:40,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:49:40,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:49:40,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:49:40,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:49:40,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:49:40,827 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 143 [2024-12-02 06:49:40,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 120 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2024-12-02 06:49:40,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:49:40,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 143 [2024-12-02 06:49:40,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:49:42,692 INFO L124 PetriNetUnfolderBase]: 13607/28316 cut-off events. [2024-12-02 06:49:42,693 INFO L125 PetriNetUnfolderBase]: For 695/695 co-relation queries the response was YES. [2024-12-02 06:49:42,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50067 conditions, 28316 events. 13607/28316 cut-off events. For 695/695 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 271361 event pairs, 5599 based on Foata normal form. 0/26235 useless extension candidates. Maximal degree in co-relation 28638. Up to 10799 conditions per place. [2024-12-02 06:49:42,779 INFO L140 encePairwiseOnDemand]: 129/143 looper letters, 96 selfloop transitions, 12 changer transitions 0/167 dead transitions. [2024-12-02 06:49:42,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 167 transitions, 600 flow [2024-12-02 06:49:42,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:49:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 06:49:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2024-12-02 06:49:42,781 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6713286713286714 [2024-12-02 06:49:42,781 INFO L175 Difference]: Start difference. First operand has 126 places, 120 transitions, 284 flow. Second operand 3 states and 288 transitions. [2024-12-02 06:49:42,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 167 transitions, 600 flow [2024-12-02 06:49:42,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 167 transitions, 592 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 06:49:42,786 INFO L231 Difference]: Finished difference. Result has 128 places, 130 transitions, 368 flow [2024-12-02 06:49:42,786 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=368, PETRI_PLACES=128, PETRI_TRANSITIONS=130} [2024-12-02 06:49:42,787 INFO L279 CegarLoopForPetriNet]: 120 programPoint places, 8 predicate places. [2024-12-02 06:49:42,787 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 130 transitions, 368 flow [2024-12-02 06:49:42,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2024-12-02 06:49:42,787 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:49:42,787 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1] [2024-12-02 06:49:42,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:49:42,787 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-12-02 06:49:42,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:42,788 INFO L85 PathProgramCache]: Analyzing trace with hash 661859706, now seen corresponding path program 1 times [2024-12-02 06:49:42,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:42,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694060659] [2024-12-02 06:49:42,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:42,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:49:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:49:42,806 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:49:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:49:42,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:49:42,822 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:49:42,822 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 21 remaining) [2024-12-02 06:49:42,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 21 remaining) [2024-12-02 06:49:42,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 21 remaining) [2024-12-02 06:49:42,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 21 remaining) [2024-12-02 06:49:42,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 21 remaining) [2024-12-02 06:49:42,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 21 remaining) [2024-12-02 06:49:42,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:49:42,824 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-02 06:49:42,824 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-12-02 06:49:42,824 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-12-02 06:49:42,857 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-02 06:49:42,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 188 transitions, 403 flow [2024-12-02 06:49:42,889 INFO L124 PetriNetUnfolderBase]: 67/368 cut-off events. [2024-12-02 06:49:42,890 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-12-02 06:49:42,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 368 events. 67/368 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1812 event pairs, 1 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 259. Up to 12 conditions per place. [2024-12-02 06:49:42,893 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 188 transitions, 403 flow [2024-12-02 06:49:42,897 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 188 transitions, 403 flow [2024-12-02 06:49:42,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:49:42,898 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@301047d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:49:42,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-12-02 06:49:42,900 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 06:49:42,900 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2024-12-02 06:49:42,901 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 06:49:42,901 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:49:42,901 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-12-02 06:49:42,901 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2024-12-02 06:49:42,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:42,901 INFO L85 PathProgramCache]: Analyzing trace with hash 806530881, now seen corresponding path program 1 times [2024-12-02 06:49:42,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:42,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556509659] [2024-12-02 06:49:42,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:42,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:49:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:49:42,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:49:42,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:49:42,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556509659] [2024-12-02 06:49:42,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556509659] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:49:42,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:49:42,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:49:42,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76855913] [2024-12-02 06:49:42,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:49:42,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:49:42,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:49:42,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:49:42,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:49:42,956 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 188 [2024-12-02 06:49:42,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 188 transitions, 403 flow. Second operand has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 states have internal predecessors, (329), 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) [2024-12-02 06:49:42,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:49:42,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 188 [2024-12-02 06:49:42,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:50:16,147 INFO L124 PetriNetUnfolderBase]: 289358/505115 cut-off events. [2024-12-02 06:50:16,148 INFO L125 PetriNetUnfolderBase]: For 3379/3379 co-relation queries the response was YES. [2024-12-02 06:50:16,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895608 conditions, 505115 events. 289358/505115 cut-off events. For 3379/3379 co-relation queries the response was YES. Maximal size of possible extension queue 10156. Compared 5867312 event pairs, 181336 based on Foata normal form. 112342/581276 useless extension candidates. Maximal degree in co-relation 43539. Up to 388499 conditions per place. [2024-12-02 06:50:18,733 INFO L140 encePairwiseOnDemand]: 150/188 looper letters, 105 selfloop transitions, 3 changer transitions 0/189 dead transitions. [2024-12-02 06:50:18,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 189 transitions, 621 flow [2024-12-02 06:50:18,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:50:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 06:50:18,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 483 transitions. [2024-12-02 06:50:18,735 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6422872340425532 [2024-12-02 06:50:18,735 INFO L175 Difference]: Start difference. First operand has 157 places, 188 transitions, 403 flow. Second operand 4 states and 483 transitions. [2024-12-02 06:50:18,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 189 transitions, 621 flow [2024-12-02 06:50:18,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 189 transitions, 621 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 06:50:18,739 INFO L231 Difference]: Finished difference. Result has 162 places, 158 transitions, 363 flow [2024-12-02 06:50:18,740 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=363, PETRI_PLACES=162, PETRI_TRANSITIONS=158} [2024-12-02 06:50:18,740 INFO L279 CegarLoopForPetriNet]: 157 programPoint places, 5 predicate places. [2024-12-02 06:50:18,740 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 158 transitions, 363 flow [2024-12-02 06:50:18,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 states have internal predecessors, (329), 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) [2024-12-02 06:50:18,741 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:50:18,741 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-12-02 06:50:18,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:50:18,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2024-12-02 06:50:18,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:50:18,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1210640187, now seen corresponding path program 1 times [2024-12-02 06:50:18,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:50:18,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690930069] [2024-12-02 06:50:18,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:50:18,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:50:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:50:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:50:18,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:50:18,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690930069] [2024-12-02 06:50:18,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690930069] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:50:18,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:50:18,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:50:18,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440694682] [2024-12-02 06:50:18,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:50:18,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:50:18,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:50:18,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:50:18,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:50:18,829 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 188 [2024-12-02 06:50:18,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 158 transitions, 363 flow. Second operand has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 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) [2024-12-02 06:50:18,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:50:18,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 188 [2024-12-02 06:50:18,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:50:50,316 INFO L124 PetriNetUnfolderBase]: 271558/465347 cut-off events. [2024-12-02 06:50:50,317 INFO L125 PetriNetUnfolderBase]: For 19825/19825 co-relation queries the response was YES. [2024-12-02 06:50:51,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 853516 conditions, 465347 events. 271558/465347 cut-off events. For 19825/19825 co-relation queries the response was YES. Maximal size of possible extension queue 9440. Compared 5302699 event pairs, 19168 based on Foata normal form. 4352/444990 useless extension candidates. Maximal degree in co-relation 65757. Up to 290173 conditions per place. [2024-12-02 06:50:52,579 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 191 selfloop transitions, 6 changer transitions 0/278 dead transitions. [2024-12-02 06:50:52,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 278 transitions, 995 flow [2024-12-02 06:50:52,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:50:52,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 06:50:52,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 684 transitions. [2024-12-02 06:50:52,581 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6063829787234043 [2024-12-02 06:50:52,581 INFO L175 Difference]: Start difference. First operand has 162 places, 158 transitions, 363 flow. Second operand 6 states and 684 transitions. [2024-12-02 06:50:52,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 278 transitions, 995 flow [2024-12-02 06:50:52,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 278 transitions, 993 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 06:50:52,587 INFO L231 Difference]: Finished difference. Result has 165 places, 157 transitions, 369 flow [2024-12-02 06:50:52,587 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=369, PETRI_PLACES=165, PETRI_TRANSITIONS=157} [2024-12-02 06:50:52,588 INFO L279 CegarLoopForPetriNet]: 157 programPoint places, 8 predicate places. [2024-12-02 06:50:52,588 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 157 transitions, 369 flow [2024-12-02 06:50:52,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 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) [2024-12-02 06:50:52,588 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:50:52,588 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-12-02 06:50:52,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:50:52,589 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2024-12-02 06:50:52,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:50:52,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1124859059, now seen corresponding path program 1 times [2024-12-02 06:50:52,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:50:52,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082291142] [2024-12-02 06:50:52,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:50:52,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:50:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:50:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:50:52,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:50:52,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082291142] [2024-12-02 06:50:52,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082291142] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:50:52,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:50:52,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:50:52,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51228833] [2024-12-02 06:50:52,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:50:52,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:50:52,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:50:52,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:50:52,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:50:52,635 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 188 [2024-12-02 06:50:52,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 157 transitions, 369 flow. Second operand has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:50:52,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:50:52,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 188 [2024-12-02 06:50:52,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:51:21,668 INFO L124 PetriNetUnfolderBase]: 260731/440520 cut-off events. [2024-12-02 06:51:21,669 INFO L125 PetriNetUnfolderBase]: For 33020/33020 co-relation queries the response was YES. [2024-12-02 06:51:22,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 822875 conditions, 440520 events. 260731/440520 cut-off events. For 33020/33020 co-relation queries the response was YES. Maximal size of possible extension queue 8911. Compared 4899782 event pairs, 15057 based on Foata normal form. 4352/427448 useless extension candidates. Maximal degree in co-relation 263213. Up to 307679 conditions per place. [2024-12-02 06:51:23,935 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 160 selfloop transitions, 6 changer transitions 0/247 dead transitions. [2024-12-02 06:51:23,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 247 transitions, 879 flow [2024-12-02 06:51:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:51:23,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 06:51:23,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 489 transitions. [2024-12-02 06:51:23,937 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6502659574468085 [2024-12-02 06:51:23,937 INFO L175 Difference]: Start difference. First operand has 165 places, 157 transitions, 369 flow. Second operand 4 states and 489 transitions. [2024-12-02 06:51:23,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 247 transitions, 879 flow [2024-12-02 06:51:24,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 247 transitions, 863 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-12-02 06:51:24,113 INFO L231 Difference]: Finished difference. Result has 163 places, 157 transitions, 369 flow [2024-12-02 06:51:24,113 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=369, PETRI_PLACES=163, PETRI_TRANSITIONS=157} [2024-12-02 06:51:24,114 INFO L279 CegarLoopForPetriNet]: 157 programPoint places, 6 predicate places. [2024-12-02 06:51:24,114 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 157 transitions, 369 flow [2024-12-02 06:51:24,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:51:24,114 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:51:24,114 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:24,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:51:24,115 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2024-12-02 06:51:24,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:24,115 INFO L85 PathProgramCache]: Analyzing trace with hash -509908559, now seen corresponding path program 1 times [2024-12-02 06:51:24,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:24,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419600866] [2024-12-02 06:51:24,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:24,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:51:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:51:24,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:51:24,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419600866] [2024-12-02 06:51:24,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419600866] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:51:24,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:51:24,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:51:24,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327876209] [2024-12-02 06:51:24,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:51:24,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:51:24,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:51:24,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:51:24,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:51:24,151 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 188 [2024-12-02 06:51:24,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 157 transitions, 369 flow. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 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) [2024-12-02 06:51:24,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:51:24,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 188 [2024-12-02 06:51:24,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:52:08,417 INFO L124 PetriNetUnfolderBase]: 405491/697334 cut-off events. [2024-12-02 06:52:08,417 INFO L125 PetriNetUnfolderBase]: For 8525/8525 co-relation queries the response was YES. [2024-12-02 06:52:09,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1256883 conditions, 697334 events. 405491/697334 cut-off events. For 8525/8525 co-relation queries the response was YES. Maximal size of possible extension queue 14124. Compared 8164398 event pairs, 163177 based on Foata normal form. 0/648398 useless extension candidates. Maximal degree in co-relation 446244. Up to 282450 conditions per place. [2024-12-02 06:52:11,570 INFO L140 encePairwiseOnDemand]: 169/188 looper letters, 128 selfloop transitions, 16 changer transitions 0/221 dead transitions. [2024-12-02 06:52:11,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 221 transitions, 794 flow [2024-12-02 06:52:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:52:11,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 06:52:11,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2024-12-02 06:52:11,572 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6719858156028369 [2024-12-02 06:52:11,572 INFO L175 Difference]: Start difference. First operand has 163 places, 157 transitions, 369 flow. Second operand 3 states and 379 transitions. [2024-12-02 06:52:11,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 221 transitions, 794 flow [2024-12-02 06:52:11,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 221 transitions, 786 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 06:52:11,592 INFO L231 Difference]: Finished difference. Result has 165 places, 171 transitions, 487 flow [2024-12-02 06:52:11,592 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=487, PETRI_PLACES=165, PETRI_TRANSITIONS=171} [2024-12-02 06:52:11,592 INFO L279 CegarLoopForPetriNet]: 157 programPoint places, 8 predicate places. [2024-12-02 06:52:11,592 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 171 transitions, 487 flow [2024-12-02 06:52:11,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 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) [2024-12-02 06:52:11,593 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:52:11,593 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:11,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:52:11,593 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2024-12-02 06:52:11,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:11,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1827807158, now seen corresponding path program 1 times [2024-12-02 06:52:11,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:52:11,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173078615] [2024-12-02 06:52:11,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:11,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:52:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:11,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:52:11,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:52:11,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173078615] [2024-12-02 06:52:11,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173078615] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:52:11,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:52:11,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:52:11,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117904402] [2024-12-02 06:52:11,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:52:11,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:52:11,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:52:11,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:52:11,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:52:11,642 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 188 [2024-12-02 06:52:11,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 171 transitions, 487 flow. Second operand has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 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) [2024-12-02 06:52:11,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:52:11,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 188 [2024-12-02 06:52:11,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:52:31,189 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([871] L702-12-->L702-3: Formula: (let ((.cse0 (select |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101|))) (and (= (select .cse0 |v_~#__global_lock~0.offset_101|) 0) (= |v_t_funThread2of3ForFork0_#t~ret4#1_1| 0) (= (store |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101| (store .cse0 |v_~#__global_lock~0.offset_101| 1)) |v_#pthreadsMutex_151|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_152|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_151|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|, t_funThread2of3ForFork0_#t~ret4#1=|v_t_funThread2of3ForFork0_#t~ret4#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread2of3ForFork0_#t~ret4#1][43], [75#L713-28true, 60#t_funEXITtrue, 154#true, 156#true, 191#true, 117#L705true, 95#L702-3true, Black: 186#true, 188#(= ~x~0 0), 178#true, 158#true]) [2024-12-02 06:52:31,189 INFO L294 olderBase$Statistics]: this new event has 64 ancestors and is cut-off event [2024-12-02 06:52:31,189 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2024-12-02 06:52:31,190 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2024-12-02 06:52:31,190 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2024-12-02 06:52:31,276 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([957] L702-12-->L702-3: Formula: (let ((.cse0 (select |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101|))) (and (= (select .cse0 |v_~#__global_lock~0.offset_101|) 0) (= |v_t_funThread1of3ForFork0_#t~ret4#1_1| 0) (= (store |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101| (store .cse0 |v_~#__global_lock~0.offset_101| 1)) |v_#pthreadsMutex_151|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_152|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_151|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|, t_funThread1of3ForFork0_#t~ret4#1=|v_t_funThread1of3ForFork0_#t~ret4#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of3ForFork0_#t~ret4#1][40], [75#L713-28true, 154#true, 15#L702-3true, 156#true, 191#true, 46#t_funEXITtrue, Black: 186#true, 52#L705true, 188#(= ~x~0 0), 178#true, 158#true]) [2024-12-02 06:52:31,276 INFO L294 olderBase$Statistics]: this new event has 64 ancestors and is cut-off event [2024-12-02 06:52:31,276 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2024-12-02 06:52:31,276 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2024-12-02 06:52:31,276 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2024-12-02 06:52:31,294 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([957] L702-12-->L702-3: Formula: (let ((.cse0 (select |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101|))) (and (= (select .cse0 |v_~#__global_lock~0.offset_101|) 0) (= |v_t_funThread1of3ForFork0_#t~ret4#1_1| 0) (= (store |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101| (store .cse0 |v_~#__global_lock~0.offset_101| 1)) |v_#pthreadsMutex_151|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_152|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_151|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|, t_funThread1of3ForFork0_#t~ret4#1=|v_t_funThread1of3ForFork0_#t~ret4#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of3ForFork0_#t~ret4#1][40], [60#t_funEXITtrue, 75#L713-28true, 139#L705true, 154#true, 15#L702-3true, 156#true, 191#true, Black: 186#true, 188#(= ~x~0 0), 178#true, 158#true]) [2024-12-02 06:52:31,294 INFO L294 olderBase$Statistics]: this new event has 64 ancestors and is cut-off event [2024-12-02 06:52:31,294 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2024-12-02 06:52:31,294 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2024-12-02 06:52:31,294 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2024-12-02 06:52:36,806 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([871] L702-12-->L702-3: Formula: (let ((.cse0 (select |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101|))) (and (= (select .cse0 |v_~#__global_lock~0.offset_101|) 0) (= |v_t_funThread2of3ForFork0_#t~ret4#1_1| 0) (= (store |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101| (store .cse0 |v_~#__global_lock~0.offset_101| 1)) |v_#pthreadsMutex_151|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_152|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_151|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|, t_funThread2of3ForFork0_#t~ret4#1=|v_t_funThread2of3ForFork0_#t~ret4#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread2of3ForFork0_#t~ret4#1][43], [60#t_funEXITtrue, 154#true, 156#true, 191#true, 117#L705true, 93#L714-2true, Black: 186#true, 95#L702-3true, 188#(= ~x~0 0), 178#true, 158#true]) [2024-12-02 06:52:36,806 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-12-02 06:52:36,807 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,807 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,807 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,807 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([797] L714-2-->L714-6: Formula: (and (= |v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_18| |v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_17|) (not (= (ite (= v_~x~0_78 0) 1 0) 0)) (= |v_ULTIMATE.start_reach_error_#t~nondet2#1.base_18| |v_ULTIMATE.start_reach_error_#t~nondet2#1.base_17|)) InVars {ULTIMATE.start_reach_error_#t~nondet2#1.base=|v_ULTIMATE.start_reach_error_#t~nondet2#1.base_18|, ~x~0=v_~x~0_78, ULTIMATE.start_reach_error_#t~nondet2#1.offset=|v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_18|} OutVars{ULTIMATE.start_main_#t~ret24#1=|v_ULTIMATE.start_main_#t~ret24#1_29|, ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_21|, ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_14|, ULTIMATE.start_reach_error_#t~nondet2#1.base=|v_ULTIMATE.start_reach_error_#t~nondet2#1.base_17|, ~x~0=v_~x~0_78, ULTIMATE.start_reach_error_#t~nondet2#1.offset=|v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_#in~cond#1, ULTIMATE.start_reach_error_#t~nondet2#1.base, ULTIMATE.start_reach_error_#t~nondet2#1.offset, ULTIMATE.start_main_#t~ret24#1, ULTIMATE.start___VERIFIER_assert_~cond#1][143], [60#t_funEXITtrue, 65#L714-6true, 106#L702-12true, 154#true, 156#true, 191#true, 117#L705true, Black: 186#true, 188#(= ~x~0 0), 178#true, 158#true]) [2024-12-02 06:52:36,807 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-12-02 06:52:36,807 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,807 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,807 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,867 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([957] L702-12-->L702-3: Formula: (let ((.cse0 (select |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101|))) (and (= (select .cse0 |v_~#__global_lock~0.offset_101|) 0) (= |v_t_funThread1of3ForFork0_#t~ret4#1_1| 0) (= (store |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101| (store .cse0 |v_~#__global_lock~0.offset_101| 1)) |v_#pthreadsMutex_151|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_152|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_151|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|, t_funThread1of3ForFork0_#t~ret4#1=|v_t_funThread1of3ForFork0_#t~ret4#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of3ForFork0_#t~ret4#1][40], [154#true, 156#true, 15#L702-3true, 46#t_funEXITtrue, 191#true, 93#L714-2true, Black: 186#true, 52#L705true, 188#(= ~x~0 0), 178#true, 158#true]) [2024-12-02 06:52:36,868 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-12-02 06:52:36,868 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,868 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,868 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,868 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([797] L714-2-->L714-6: Formula: (and (= |v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_18| |v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_17|) (not (= (ite (= v_~x~0_78 0) 1 0) 0)) (= |v_ULTIMATE.start_reach_error_#t~nondet2#1.base_18| |v_ULTIMATE.start_reach_error_#t~nondet2#1.base_17|)) InVars {ULTIMATE.start_reach_error_#t~nondet2#1.base=|v_ULTIMATE.start_reach_error_#t~nondet2#1.base_18|, ~x~0=v_~x~0_78, ULTIMATE.start_reach_error_#t~nondet2#1.offset=|v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_18|} OutVars{ULTIMATE.start_main_#t~ret24#1=|v_ULTIMATE.start_main_#t~ret24#1_29|, ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_21|, ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_14|, ULTIMATE.start_reach_error_#t~nondet2#1.base=|v_ULTIMATE.start_reach_error_#t~nondet2#1.base_17|, ~x~0=v_~x~0_78, ULTIMATE.start_reach_error_#t~nondet2#1.offset=|v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_#in~cond#1, ULTIMATE.start_reach_error_#t~nondet2#1.base, ULTIMATE.start_reach_error_#t~nondet2#1.offset, ULTIMATE.start_main_#t~ret24#1, ULTIMATE.start___VERIFIER_assert_~cond#1][143], [65#L714-6true, 154#true, 156#true, 145#L702-12true, 46#t_funEXITtrue, 191#true, Black: 186#true, 52#L705true, 188#(= ~x~0 0), 178#true, 158#true]) [2024-12-02 06:52:36,868 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-12-02 06:52:36,868 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,868 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,868 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,891 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([957] L702-12-->L702-3: Formula: (let ((.cse0 (select |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101|))) (and (= (select .cse0 |v_~#__global_lock~0.offset_101|) 0) (= |v_t_funThread1of3ForFork0_#t~ret4#1_1| 0) (= (store |v_#pthreadsMutex_152| |v_~#__global_lock~0.base_101| (store .cse0 |v_~#__global_lock~0.offset_101| 1)) |v_#pthreadsMutex_151|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_152|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_151|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_101|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_101|, t_funThread1of3ForFork0_#t~ret4#1=|v_t_funThread1of3ForFork0_#t~ret4#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of3ForFork0_#t~ret4#1][40], [60#t_funEXITtrue, 139#L705true, 154#true, 15#L702-3true, 156#true, 191#true, 93#L714-2true, Black: 186#true, 188#(= ~x~0 0), 178#true, 158#true]) [2024-12-02 06:52:36,891 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-12-02 06:52:36,891 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,891 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,891 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,891 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([797] L714-2-->L714-6: Formula: (and (= |v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_18| |v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_17|) (not (= (ite (= v_~x~0_78 0) 1 0) 0)) (= |v_ULTIMATE.start_reach_error_#t~nondet2#1.base_18| |v_ULTIMATE.start_reach_error_#t~nondet2#1.base_17|)) InVars {ULTIMATE.start_reach_error_#t~nondet2#1.base=|v_ULTIMATE.start_reach_error_#t~nondet2#1.base_18|, ~x~0=v_~x~0_78, ULTIMATE.start_reach_error_#t~nondet2#1.offset=|v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_18|} OutVars{ULTIMATE.start_main_#t~ret24#1=|v_ULTIMATE.start_main_#t~ret24#1_29|, ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_21|, ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_14|, ULTIMATE.start_reach_error_#t~nondet2#1.base=|v_ULTIMATE.start_reach_error_#t~nondet2#1.base_17|, ~x~0=v_~x~0_78, ULTIMATE.start_reach_error_#t~nondet2#1.offset=|v_ULTIMATE.start_reach_error_#t~nondet2#1.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_#in~cond#1, ULTIMATE.start_reach_error_#t~nondet2#1.base, ULTIMATE.start_reach_error_#t~nondet2#1.offset, ULTIMATE.start_main_#t~ret24#1, ULTIMATE.start___VERIFIER_assert_~cond#1][143], [60#t_funEXITtrue, 65#L714-6true, 139#L705true, 154#true, 156#true, 145#L702-12true, 191#true, Black: 186#true, 188#(= ~x~0 0), 178#true, 158#true]) [2024-12-02 06:52:36,891 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-12-02 06:52:36,891 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,891 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-12-02 06:52:36,891 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event