./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/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_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:16:11,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:16:11,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:16:11,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:16:11,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:16:11,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:16:11,184 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:16:11,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:16:11,184 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:16:11,184 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:16:11,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:16:11,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:16:11,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:16:11,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:16:11,185 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:16:11,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:16:11,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:16:11,185 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:16:11,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:16:11,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:16:11,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:16:11,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:16:11,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:16:11,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:16:11,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:16:11,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:16:11,186 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:16:11,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:16:11,186 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:16:11,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:16:11,186 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:16:11,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:16:11,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:16:11,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:16:11,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:16:11,187 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:16:11,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:16:11,188 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_0e977562-b457-4ea8-a0f0-b6a3f910d715/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 ! call(reach_error())) ) 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 -> 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a [2024-12-02 13:16:11,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:16:11,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:16:11,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:16:11,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:16:11,435 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:16:11,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2024-12-02 13:16:14,136 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/data/24fc8d97d/01d9162f918a4d94a67e0752ad1833a4/FLAGb044ee76f [2024-12-02 13:16:14,357 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:16:14,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2024-12-02 13:16:14,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/data/24fc8d97d/01d9162f918a4d94a67e0752ad1833a4/FLAGb044ee76f [2024-12-02 13:16:14,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/data/24fc8d97d/01d9162f918a4d94a67e0752ad1833a4 [2024-12-02 13:16:14,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:16:14,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:16:14,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:16:14,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:16:14,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:16:14,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d175b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14, skipping insertion in model container [2024-12-02 13:16:14,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:16:14,865 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2564,2577] [2024-12-02 13:16:14,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:16:14,881 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:16:14,898 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2564,2577] [2024-12-02 13:16:14,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:16:14,914 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:16:14,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14 WrapperNode [2024-12-02 13:16:14,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:16:14,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:16:14,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:16:14,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:16:14,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,945 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 178 [2024-12-02 13:16:14,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:16:14,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:16:14,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:16:14,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:16:14,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,956 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,971 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-12-02 13:16:14,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,977 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:16:14,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:16:14,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:16:14,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:16:14,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (1/1) ... [2024-12-02 13:16:14,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:16:15,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:16:15,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:16:15,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:16:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:16:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-02 13:16:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-02 13:16:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-02 13:16:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-02 13:16:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-02 13:16:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-02 13:16:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:16:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:16:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:16:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:16:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 13:16:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 13:16:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:16:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:16:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:16:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:16:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:16:15,039 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 13:16:15,119 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:16:15,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:16:15,374 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 13:16:15,374 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:16:15,602 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:16:15,603 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 13:16:15,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:15 BoogieIcfgContainer [2024-12-02 13:16:15,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:16:15,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:16:15,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:16:15,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:16:15,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:16:14" (1/3) ... [2024-12-02 13:16:15,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29adbe81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:16:15, skipping insertion in model container [2024-12-02 13:16:15,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14" (2/3) ... [2024-12-02 13:16:15,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29adbe81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:16:15, skipping insertion in model container [2024-12-02 13:16:15,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:15" (3/3) ... [2024-12-02 13:16:15,610 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2024-12-02 13:16:15,621 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:16:15,622 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum-alt2.wvr.c that has 4 procedures, 30 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-02 13:16:15,623 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 13:16:15,668 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-02 13:16:15,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 33 transitions, 87 flow [2024-12-02 13:16:15,722 INFO L124 PetriNetUnfolderBase]: 4/30 cut-off events. [2024-12-02 13:16:15,724 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-12-02 13:16:15,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 30 events. 4/30 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2024-12-02 13:16:15,727 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 33 transitions, 87 flow [2024-12-02 13:16:15,729 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 29 transitions, 76 flow [2024-12-02 13:16:15,736 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:16:15,745 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;@2b7dc68b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:16:15,745 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-02 13:16:15,757 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 13:16:15,757 INFO L124 PetriNetUnfolderBase]: 4/28 cut-off events. [2024-12-02 13:16:15,757 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-12-02 13:16:15,757 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:15,758 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:15,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:15,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:15,762 INFO L85 PathProgramCache]: Analyzing trace with hash 144257127, now seen corresponding path program 1 times [2024-12-02 13:16:15,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:15,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534338962] [2024-12-02 13:16:15,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:15,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:16,006 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 13:16:16,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:16,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534338962] [2024-12-02 13:16:16,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534338962] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:16,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:16,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:16:16,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994030571] [2024-12-02 13:16:16,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:16,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:16:16,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:16,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:16:16,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:16:16,036 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 33 [2024-12-02 13:16:16,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 29 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 13:16:16,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:16,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 33 [2024-12-02 13:16:16,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:16,281 INFO L124 PetriNetUnfolderBase]: 617/947 cut-off events. [2024-12-02 13:16:16,281 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2024-12-02 13:16:16,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1942 conditions, 947 events. 617/947 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3755 event pairs, 126 based on Foata normal form. 1/934 useless extension candidates. Maximal degree in co-relation 1708. Up to 677 conditions per place. [2024-12-02 13:16:16,288 INFO L140 encePairwiseOnDemand]: 28/33 looper letters, 37 selfloop transitions, 4 changer transitions 1/46 dead transitions. [2024-12-02 13:16:16,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 46 transitions, 209 flow [2024-12-02 13:16:16,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:16:16,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 13:16:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2024-12-02 13:16:16,298 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6464646464646465 [2024-12-02 13:16:16,300 INFO L175 Difference]: Start difference. First operand has 35 places, 29 transitions, 76 flow. Second operand 3 states and 64 transitions. [2024-12-02 13:16:16,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 46 transitions, 209 flow [2024-12-02 13:16:16,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 46 transitions, 187 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-12-02 13:16:16,307 INFO L231 Difference]: Finished difference. Result has 32 places, 32 transitions, 90 flow [2024-12-02 13:16:16,309 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=32, PETRI_TRANSITIONS=32} [2024-12-02 13:16:16,312 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, -3 predicate places. [2024-12-02 13:16:16,312 INFO L471 AbstractCegarLoop]: Abstraction has has 32 places, 32 transitions, 90 flow [2024-12-02 13:16:16,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 13:16:16,312 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:16,313 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:16,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:16:16,313 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:16,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:16,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1715318295, now seen corresponding path program 1 times [2024-12-02 13:16:16,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:16,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761699255] [2024-12-02 13:16:16,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:16,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:16:16,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:16,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761699255] [2024-12-02 13:16:16,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761699255] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:16,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:16,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:16:16,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001108443] [2024-12-02 13:16:16,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:16,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:16:16,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:16,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:16:16,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:16:16,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 33 [2024-12-02 13:16:16,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 32 transitions, 90 flow. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 13:16:16,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:16,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 33 [2024-12-02 13:16:16,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:16,808 INFO L124 PetriNetUnfolderBase]: 1206/1857 cut-off events. [2024-12-02 13:16:16,808 INFO L125 PetriNetUnfolderBase]: For 340/340 co-relation queries the response was YES. [2024-12-02 13:16:16,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4179 conditions, 1857 events. 1206/1857 cut-off events. For 340/340 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 8812 event pairs, 745 based on Foata normal form. 0/1748 useless extension candidates. Maximal degree in co-relation 1070. Up to 1120 conditions per place. [2024-12-02 13:16:16,819 INFO L140 encePairwiseOnDemand]: 27/33 looper letters, 63 selfloop transitions, 5 changer transitions 0/71 dead transitions. [2024-12-02 13:16:16,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 71 transitions, 334 flow [2024-12-02 13:16:16,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:16:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 13:16:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 92 transitions. [2024-12-02 13:16:16,820 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5575757575757576 [2024-12-02 13:16:16,821 INFO L175 Difference]: Start difference. First operand has 32 places, 32 transitions, 90 flow. Second operand 5 states and 92 transitions. [2024-12-02 13:16:16,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 71 transitions, 334 flow [2024-12-02 13:16:16,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 71 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 13:16:16,823 INFO L231 Difference]: Finished difference. Result has 38 places, 36 transitions, 122 flow [2024-12-02 13:16:16,823 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=122, PETRI_PLACES=38, PETRI_TRANSITIONS=36} [2024-12-02 13:16:16,824 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 3 predicate places. [2024-12-02 13:16:16,824 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 36 transitions, 122 flow [2024-12-02 13:16:16,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 13:16:16,824 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:16,824 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:16,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:16:16,824 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:16,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:16,825 INFO L85 PathProgramCache]: Analyzing trace with hash 123789768, now seen corresponding path program 1 times [2024-12-02 13:16:16,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:16,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509847239] [2024-12-02 13:16:16,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:16,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:16,954 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 13:16:16,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:16,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509847239] [2024-12-02 13:16:16,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509847239] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:16,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:16,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:16:16,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474531813] [2024-12-02 13:16:16,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:16,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:16:16,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:16,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:16:16,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:16:16,965 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 33 [2024-12-02 13:16:16,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 36 transitions, 122 flow. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 13:16:16,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:16,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 33 [2024-12-02 13:16:16,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:17,273 INFO L124 PetriNetUnfolderBase]: 1047/1611 cut-off events. [2024-12-02 13:16:17,273 INFO L125 PetriNetUnfolderBase]: For 669/756 co-relation queries the response was YES. [2024-12-02 13:16:17,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3860 conditions, 1611 events. 1047/1611 cut-off events. For 669/756 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7284 event pairs, 686 based on Foata normal form. 0/1508 useless extension candidates. Maximal degree in co-relation 2742. Up to 1133 conditions per place. [2024-12-02 13:16:17,284 INFO L140 encePairwiseOnDemand]: 27/33 looper letters, 56 selfloop transitions, 5 changer transitions 0/64 dead transitions. [2024-12-02 13:16:17,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 64 transitions, 326 flow [2024-12-02 13:16:17,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:16:17,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 13:16:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 87 transitions. [2024-12-02 13:16:17,285 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5272727272727272 [2024-12-02 13:16:17,285 INFO L175 Difference]: Start difference. First operand has 38 places, 36 transitions, 122 flow. Second operand 5 states and 87 transitions. [2024-12-02 13:16:17,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 64 transitions, 326 flow [2024-12-02 13:16:17,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 64 transitions, 322 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-12-02 13:16:17,288 INFO L231 Difference]: Finished difference. Result has 43 places, 38 transitions, 143 flow [2024-12-02 13:16:17,289 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=143, PETRI_PLACES=43, PETRI_TRANSITIONS=38} [2024-12-02 13:16:17,289 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 8 predicate places. [2024-12-02 13:16:17,289 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 38 transitions, 143 flow [2024-12-02 13:16:17,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 13:16:17,290 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:17,290 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:17,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:16:17,290 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:17,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:17,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1804278721, now seen corresponding path program 1 times [2024-12-02 13:16:17,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:17,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585206102] [2024-12-02 13:16:17,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:17,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:17,416 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 13:16:17,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:17,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585206102] [2024-12-02 13:16:17,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585206102] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:17,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:17,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:16:17,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934643530] [2024-12-02 13:16:17,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:17,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:16:17,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:17,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:16:17,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:16:17,428 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 33 [2024-12-02 13:16:17,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 38 transitions, 143 flow. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 13:16:17,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:17,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 33 [2024-12-02 13:16:17,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:17,712 INFO L124 PetriNetUnfolderBase]: 882/1337 cut-off events. [2024-12-02 13:16:17,712 INFO L125 PetriNetUnfolderBase]: For 773/910 co-relation queries the response was YES. [2024-12-02 13:16:17,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3504 conditions, 1337 events. 882/1337 cut-off events. For 773/910 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5636 event pairs, 601 based on Foata normal form. 0/1270 useless extension candidates. Maximal degree in co-relation 2827. Up to 1095 conditions per place. [2024-12-02 13:16:17,720 INFO L140 encePairwiseOnDemand]: 27/33 looper letters, 28 selfloop transitions, 2 changer transitions 23/56 dead transitions. [2024-12-02 13:16:17,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 56 transitions, 309 flow [2024-12-02 13:16:17,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:16:17,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 13:16:17,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 81 transitions. [2024-12-02 13:16:17,722 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4909090909090909 [2024-12-02 13:16:17,722 INFO L175 Difference]: Start difference. First operand has 43 places, 38 transitions, 143 flow. Second operand 5 states and 81 transitions. [2024-12-02 13:16:17,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 56 transitions, 309 flow [2024-12-02 13:16:17,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 56 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 13:16:17,726 INFO L231 Difference]: Finished difference. Result has 47 places, 33 transitions, 116 flow [2024-12-02 13:16:17,726 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=116, PETRI_PLACES=47, PETRI_TRANSITIONS=33} [2024-12-02 13:16:17,727 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 12 predicate places. [2024-12-02 13:16:17,727 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 33 transitions, 116 flow [2024-12-02 13:16:17,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 13:16:17,727 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:17,727 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:17,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:16:17,727 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:17,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:17,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1534257575, now seen corresponding path program 1 times [2024-12-02 13:16:17,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:17,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763912696] [2024-12-02 13:16:17,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:17,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:16:17,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:17,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763912696] [2024-12-02 13:16:17,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763912696] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:17,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343481381] [2024-12-02 13:16:17,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:17,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:17,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:16:17,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:16:17,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:16:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:17,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:16:17,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:16:18,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:16:18,111 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:16:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:16:18,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343481381] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:18,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:16:18,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 12 [2024-12-02 13:16:18,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526132962] [2024-12-02 13:16:18,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:18,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:16:18,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:18,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:16:18,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:16:18,219 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 33 [2024-12-02 13:16:18,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 33 transitions, 116 flow. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:16:18,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:18,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 33 [2024-12-02 13:16:18,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:18,704 INFO L124 PetriNetUnfolderBase]: 1468/2122 cut-off events. [2024-12-02 13:16:18,704 INFO L125 PetriNetUnfolderBase]: For 836/986 co-relation queries the response was YES. [2024-12-02 13:16:18,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5707 conditions, 2122 events. 1468/2122 cut-off events. For 836/986 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 9225 event pairs, 293 based on Foata normal form. 0/1872 useless extension candidates. Maximal degree in co-relation 5688. Up to 668 conditions per place. [2024-12-02 13:16:18,717 INFO L140 encePairwiseOnDemand]: 24/33 looper letters, 87 selfloop transitions, 15 changer transitions 0/104 dead transitions. [2024-12-02 13:16:18,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 104 transitions, 559 flow [2024-12-02 13:16:18,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:16:18,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 13:16:18,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 137 transitions. [2024-12-02 13:16:18,719 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4612794612794613 [2024-12-02 13:16:18,719 INFO L175 Difference]: Start difference. First operand has 47 places, 33 transitions, 116 flow. Second operand 9 states and 137 transitions. [2024-12-02 13:16:18,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 104 transitions, 559 flow [2024-12-02 13:16:18,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 104 transitions, 489 flow, removed 33 selfloop flow, removed 8 redundant places. [2024-12-02 13:16:18,731 INFO L231 Difference]: Finished difference. Result has 45 places, 44 transitions, 178 flow [2024-12-02 13:16:18,731 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=178, PETRI_PLACES=45, PETRI_TRANSITIONS=44} [2024-12-02 13:16:18,732 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 10 predicate places. [2024-12-02 13:16:18,732 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 44 transitions, 178 flow [2024-12-02 13:16:18,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:16:18,732 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:18,732 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:18,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:16:18,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:18,933 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:18,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:18,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1440129999, now seen corresponding path program 2 times [2024-12-02 13:16:18,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:18,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791682249] [2024-12-02 13:16:18,934 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:16:18,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:18,949 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 13:16:18,950 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:19,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:19,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:19,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791682249] [2024-12-02 13:16:19,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791682249] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:19,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:19,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:16:19,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648143559] [2024-12-02 13:16:19,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:19,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:16:19,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:19,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:16:19,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:16:19,063 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 33 [2024-12-02 13:16:19,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 44 transitions, 178 flow. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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 13:16:19,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:19,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 33 [2024-12-02 13:16:19,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:19,768 INFO L124 PetriNetUnfolderBase]: 3201/4657 cut-off events. [2024-12-02 13:16:19,768 INFO L125 PetriNetUnfolderBase]: For 3504/3504 co-relation queries the response was YES. [2024-12-02 13:16:19,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13142 conditions, 4657 events. 3201/4657 cut-off events. For 3504/3504 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 24160 event pairs, 327 based on Foata normal form. 13/4411 useless extension candidates. Maximal degree in co-relation 13119. Up to 1405 conditions per place. [2024-12-02 13:16:19,793 INFO L140 encePairwiseOnDemand]: 23/33 looper letters, 196 selfloop transitions, 23 changer transitions 0/221 dead transitions. [2024-12-02 13:16:19,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 221 transitions, 1373 flow [2024-12-02 13:16:19,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:16:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-12-02 13:16:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 193 transitions. [2024-12-02 13:16:19,794 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5316804407713499 [2024-12-02 13:16:19,795 INFO L175 Difference]: Start difference. First operand has 45 places, 44 transitions, 178 flow. Second operand 11 states and 193 transitions. [2024-12-02 13:16:19,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 221 transitions, 1373 flow [2024-12-02 13:16:19,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 221 transitions, 1370 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 13:16:19,809 INFO L231 Difference]: Finished difference. Result has 62 places, 66 transitions, 405 flow [2024-12-02 13:16:19,809 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=405, PETRI_PLACES=62, PETRI_TRANSITIONS=66} [2024-12-02 13:16:19,809 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 27 predicate places. [2024-12-02 13:16:19,809 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 66 transitions, 405 flow [2024-12-02 13:16:19,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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 13:16:19,810 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:19,810 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:19,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:16:19,810 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:19,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:19,810 INFO L85 PathProgramCache]: Analyzing trace with hash -507968209, now seen corresponding path program 3 times [2024-12-02 13:16:19,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:19,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268488633] [2024-12-02 13:16:19,811 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 13:16:19,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:19,829 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-02 13:16:19,829 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:19,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:19,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268488633] [2024-12-02 13:16:19,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268488633] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:19,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466109166] [2024-12-02 13:16:19,937 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 13:16:19,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:19,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:16:19,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:16:19,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:16:20,019 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-02 13:16:20,019 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:20,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:16:20,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:16:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:20,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:16:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:20,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466109166] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:20,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:16:20,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 13 [2024-12-02 13:16:20,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000826046] [2024-12-02 13:16:20,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:20,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:16:20,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:20,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:16:20,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:16:20,187 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 33 [2024-12-02 13:16:20,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 66 transitions, 405 flow. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:16:20,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:20,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 33 [2024-12-02 13:16:20,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:20,808 INFO L124 PetriNetUnfolderBase]: 4349/6271 cut-off events. [2024-12-02 13:16:20,808 INFO L125 PetriNetUnfolderBase]: For 13010/13379 co-relation queries the response was YES. [2024-12-02 13:16:20,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22306 conditions, 6271 events. 4349/6271 cut-off events. For 13010/13379 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 32803 event pairs, 760 based on Foata normal form. 186/6452 useless extension candidates. Maximal degree in co-relation 22275. Up to 1984 conditions per place. [2024-12-02 13:16:20,836 INFO L140 encePairwiseOnDemand]: 22/33 looper letters, 125 selfloop transitions, 40 changer transitions 0/168 dead transitions. [2024-12-02 13:16:20,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 168 transitions, 1272 flow [2024-12-02 13:16:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:16:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 13:16:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 144 transitions. [2024-12-02 13:16:20,837 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48484848484848486 [2024-12-02 13:16:20,837 INFO L175 Difference]: Start difference. First operand has 62 places, 66 transitions, 405 flow. Second operand 9 states and 144 transitions. [2024-12-02 13:16:20,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 168 transitions, 1272 flow [2024-12-02 13:16:20,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 168 transitions, 1260 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 13:16:20,894 INFO L231 Difference]: Finished difference. Result has 74 places, 82 transitions, 681 flow [2024-12-02 13:16:20,894 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=681, PETRI_PLACES=74, PETRI_TRANSITIONS=82} [2024-12-02 13:16:20,894 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 39 predicate places. [2024-12-02 13:16:20,894 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 82 transitions, 681 flow [2024-12-02 13:16:20,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:16:20,894 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:20,895 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:20,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:16:21,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:21,095 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:21,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:21,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1713531670, now seen corresponding path program 1 times [2024-12-02 13:16:21,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:21,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183577122] [2024-12-02 13:16:21,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:21,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:21,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:21,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183577122] [2024-12-02 13:16:21,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183577122] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:21,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104074108] [2024-12-02 13:16:21,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:21,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:21,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:16:21,170 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:16:21,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:16:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:21,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:16:21,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:16:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:21,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:16:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:21,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104074108] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:21,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:16:21,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2024-12-02 13:16:21,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358013857] [2024-12-02 13:16:21,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:21,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:16:21,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:21,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:16:21,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:16:21,319 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 33 [2024-12-02 13:16:21,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 82 transitions, 681 flow. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 13:16:21,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:21,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 33 [2024-12-02 13:16:21,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:21,855 INFO L124 PetriNetUnfolderBase]: 3758/5577 cut-off events. [2024-12-02 13:16:21,855 INFO L125 PetriNetUnfolderBase]: For 23870/23982 co-relation queries the response was YES. [2024-12-02 13:16:21,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23692 conditions, 5577 events. 3758/5577 cut-off events. For 23870/23982 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 30337 event pairs, 1005 based on Foata normal form. 213/5524 useless extension candidates. Maximal degree in co-relation 23654. Up to 3099 conditions per place. [2024-12-02 13:16:21,879 INFO L140 encePairwiseOnDemand]: 27/33 looper letters, 101 selfloop transitions, 9 changer transitions 0/121 dead transitions. [2024-12-02 13:16:21,879 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 121 transitions, 1275 flow [2024-12-02 13:16:21,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:16:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 13:16:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 72 transitions. [2024-12-02 13:16:21,880 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.43636363636363634 [2024-12-02 13:16:21,880 INFO L175 Difference]: Start difference. First operand has 74 places, 82 transitions, 681 flow. Second operand 5 states and 72 transitions. [2024-12-02 13:16:21,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 121 transitions, 1275 flow [2024-12-02 13:16:21,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 121 transitions, 1206 flow, removed 15 selfloop flow, removed 4 redundant places. [2024-12-02 13:16:21,982 INFO L231 Difference]: Finished difference. Result has 74 places, 81 transitions, 652 flow [2024-12-02 13:16:21,983 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=652, PETRI_PLACES=74, PETRI_TRANSITIONS=81} [2024-12-02 13:16:21,983 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 39 predicate places. [2024-12-02 13:16:21,983 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 81 transitions, 652 flow [2024-12-02 13:16:21,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 13:16:21,983 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:21,984 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:21,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:16:22,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:22,184 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:22,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:22,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1371501181, now seen corresponding path program 4 times [2024-12-02 13:16:22,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:22,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180120481] [2024-12-02 13:16:22,185 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 13:16:22,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:22,196 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 13:16:22,196 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:22,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:22,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180120481] [2024-12-02 13:16:22,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180120481] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:22,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783127089] [2024-12-02 13:16:22,250 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 13:16:22,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:22,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:16:22,252 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:16:22,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:16:22,317 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 13:16:22,317 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:22,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:16:22,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:16:22,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:22,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:16:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:22,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783127089] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:16:22,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:16:22,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-12-02 13:16:22,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238763606] [2024-12-02 13:16:22,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:16:22,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 13:16:22,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:22,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 13:16:22,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:16:22,489 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 33 [2024-12-02 13:16:22,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 81 transitions, 652 flow. Second operand has 15 states, 15 states have (on average 6.533333333333333) internal successors, (98), 15 states have internal predecessors, (98), 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 13:16:22,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:22,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 33 [2024-12-02 13:16:22,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:24,666 INFO L124 PetriNetUnfolderBase]: 9584/13587 cut-off events. [2024-12-02 13:16:24,666 INFO L125 PetriNetUnfolderBase]: For 52836/52836 co-relation queries the response was YES. [2024-12-02 13:16:24,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57773 conditions, 13587 events. 9584/13587 cut-off events. For 52836/52836 co-relation queries the response was YES. Maximal size of possible extension queue 533. Compared 73461 event pairs, 987 based on Foata normal form. 14/13600 useless extension candidates. Maximal degree in co-relation 57734. Up to 3373 conditions per place. [2024-12-02 13:16:24,731 INFO L140 encePairwiseOnDemand]: 21/33 looper letters, 342 selfloop transitions, 197 changer transitions 0/540 dead transitions. [2024-12-02 13:16:24,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 540 transitions, 4772 flow [2024-12-02 13:16:24,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:16:24,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2024-12-02 13:16:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 462 transitions. [2024-12-02 13:16:24,733 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.42424242424242425 [2024-12-02 13:16:24,733 INFO L175 Difference]: Start difference. First operand has 74 places, 81 transitions, 652 flow. Second operand 33 states and 462 transitions. [2024-12-02 13:16:24,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 540 transitions, 4772 flow [2024-12-02 13:16:24,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 540 transitions, 4699 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 13:16:24,944 INFO L231 Difference]: Finished difference. Result has 122 places, 268 transitions, 2946 flow [2024-12-02 13:16:24,944 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=2946, PETRI_PLACES=122, PETRI_TRANSITIONS=268} [2024-12-02 13:16:24,944 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 87 predicate places. [2024-12-02 13:16:24,944 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 268 transitions, 2946 flow [2024-12-02 13:16:24,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.533333333333333) internal successors, (98), 15 states have internal predecessors, (98), 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 13:16:24,945 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:24,945 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:24,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 13:16:25,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:25,145 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:25,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:25,146 INFO L85 PathProgramCache]: Analyzing trace with hash 330703139, now seen corresponding path program 5 times [2024-12-02 13:16:25,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:25,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395520845] [2024-12-02 13:16:25,146 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 13:16:25,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:25,158 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:16:25,158 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:25,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:16:25,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:25,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395520845] [2024-12-02 13:16:25,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395520845] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:25,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600293044] [2024-12-02 13:16:25,252 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 13:16:25,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:25,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:16:25,254 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:16:25,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 13:16:25,334 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:16:25,334 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:25,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:16:25,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:16:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:16:25,395 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:16:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:16:25,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600293044] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:25,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:16:25,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 12 [2024-12-02 13:16:25,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022710423] [2024-12-02 13:16:25,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:25,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:16:25,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:25,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:16:25,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:16:25,473 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 33 [2024-12-02 13:16:25,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 268 transitions, 2946 flow. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:16:25,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:25,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 33 [2024-12-02 13:16:25,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:26,951 INFO L124 PetriNetUnfolderBase]: 8251/11921 cut-off events. [2024-12-02 13:16:26,951 INFO L125 PetriNetUnfolderBase]: For 74242/74910 co-relation queries the response was YES. [2024-12-02 13:16:26,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59801 conditions, 11921 events. 8251/11921 cut-off events. For 74242/74910 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 68362 event pairs, 780 based on Foata normal form. 275/12170 useless extension candidates. Maximal degree in co-relation 59744. Up to 3661 conditions per place. [2024-12-02 13:16:27,014 INFO L140 encePairwiseOnDemand]: 23/33 looper letters, 186 selfloop transitions, 194 changer transitions 0/387 dead transitions. [2024-12-02 13:16:27,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 387 transitions, 4796 flow [2024-12-02 13:16:27,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:16:27,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 13:16:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 130 transitions. [2024-12-02 13:16:27,015 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4377104377104377 [2024-12-02 13:16:27,015 INFO L175 Difference]: Start difference. First operand has 122 places, 268 transitions, 2946 flow. Second operand 9 states and 130 transitions. [2024-12-02 13:16:27,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 387 transitions, 4796 flow [2024-12-02 13:16:27,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 387 transitions, 4484 flow, removed 156 selfloop flow, removed 0 redundant places. [2024-12-02 13:16:27,619 INFO L231 Difference]: Finished difference. Result has 132 places, 310 transitions, 3666 flow [2024-12-02 13:16:27,620 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=2692, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3666, PETRI_PLACES=132, PETRI_TRANSITIONS=310} [2024-12-02 13:16:27,620 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 97 predicate places. [2024-12-02 13:16:27,620 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 310 transitions, 3666 flow [2024-12-02 13:16:27,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:16:27,620 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:27,621 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:27,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 13:16:27,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 13:16:27,821 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:27,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:27,821 INFO L85 PathProgramCache]: Analyzing trace with hash 324491903, now seen corresponding path program 6 times [2024-12-02 13:16:27,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:27,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845315311] [2024-12-02 13:16:27,822 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 13:16:27,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:27,832 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-02 13:16:27,832 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:27,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:27,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845315311] [2024-12-02 13:16:27,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845315311] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:27,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:27,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:16:27,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56626245] [2024-12-02 13:16:27,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:27,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:16:27,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:27,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:16:27,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:16:27,938 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 33 [2024-12-02 13:16:27,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 310 transitions, 3666 flow. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 13:16:27,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:27,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 33 [2024-12-02 13:16:27,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:30,438 INFO L124 PetriNetUnfolderBase]: 12951/18335 cut-off events. [2024-12-02 13:16:30,438 INFO L125 PetriNetUnfolderBase]: For 130642/130642 co-relation queries the response was YES. [2024-12-02 13:16:30,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95157 conditions, 18335 events. 12951/18335 cut-off events. For 130642/130642 co-relation queries the response was YES. Maximal size of possible extension queue 756. Compared 105525 event pairs, 3029 based on Foata normal form. 13/18347 useless extension candidates. Maximal degree in co-relation 95095. Up to 9922 conditions per place. [2024-12-02 13:16:30,539 INFO L140 encePairwiseOnDemand]: 22/33 looper letters, 631 selfloop transitions, 149 changer transitions 0/781 dead transitions. [2024-12-02 13:16:30,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 781 transitions, 10449 flow [2024-12-02 13:16:30,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:16:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-12-02 13:16:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 209 transitions. [2024-12-02 13:16:30,540 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5277777777777778 [2024-12-02 13:16:30,540 INFO L175 Difference]: Start difference. First operand has 132 places, 310 transitions, 3666 flow. Second operand 12 states and 209 transitions. [2024-12-02 13:16:30,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 781 transitions, 10449 flow [2024-12-02 13:16:31,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 781 transitions, 10330 flow, removed 58 selfloop flow, removed 2 redundant places. [2024-12-02 13:16:31,847 INFO L231 Difference]: Finished difference. Result has 150 places, 451 transitions, 6144 flow [2024-12-02 13:16:31,848 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=3617, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=6144, PETRI_PLACES=150, PETRI_TRANSITIONS=451} [2024-12-02 13:16:31,848 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 115 predicate places. [2024-12-02 13:16:31,848 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 451 transitions, 6144 flow [2024-12-02 13:16:31,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 13:16:31,848 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:31,848 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:31,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:16:31,848 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:31,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:31,849 INFO L85 PathProgramCache]: Analyzing trace with hash -546054543, now seen corresponding path program 7 times [2024-12-02 13:16:31,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:31,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706383741] [2024-12-02 13:16:31,849 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 13:16:31,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:31,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:31,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706383741] [2024-12-02 13:16:31,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706383741] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:31,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611069607] [2024-12-02 13:16:31,935 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 13:16:31,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:31,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:16:31,937 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:16:31,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 13:16:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:32,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:16:32,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:16:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:32,094 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:16:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:32,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611069607] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:32,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:16:32,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 14 [2024-12-02 13:16:32,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31035097] [2024-12-02 13:16:32,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:32,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:16:32,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:32,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:16:32,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:16:32,182 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 33 [2024-12-02 13:16:32,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 451 transitions, 6144 flow. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:16:32,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:32,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 33 [2024-12-02 13:16:32,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:34,741 INFO L124 PetriNetUnfolderBase]: 12191/17437 cut-off events. [2024-12-02 13:16:34,741 INFO L125 PetriNetUnfolderBase]: For 144057/144926 co-relation queries the response was YES. [2024-12-02 13:16:34,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96390 conditions, 17437 events. 12191/17437 cut-off events. For 144057/144926 co-relation queries the response was YES. Maximal size of possible extension queue 865. Compared 104371 event pairs, 1879 based on Foata normal form. 275/17694 useless extension candidates. Maximal degree in co-relation 96320. Up to 6001 conditions per place. [2024-12-02 13:16:34,899 INFO L140 encePairwiseOnDemand]: 23/33 looper letters, 352 selfloop transitions, 306 changer transitions 0/665 dead transitions. [2024-12-02 13:16:34,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 665 transitions, 9507 flow [2024-12-02 13:16:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:16:34,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 13:16:34,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 143 transitions. [2024-12-02 13:16:34,901 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48148148148148145 [2024-12-02 13:16:34,901 INFO L175 Difference]: Start difference. First operand has 150 places, 451 transitions, 6144 flow. Second operand 9 states and 143 transitions. [2024-12-02 13:16:34,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 665 transitions, 9507 flow [2024-12-02 13:16:36,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 665 transitions, 9392 flow, removed 44 selfloop flow, removed 1 redundant places. [2024-12-02 13:16:36,763 INFO L231 Difference]: Finished difference. Result has 160 places, 526 transitions, 7986 flow [2024-12-02 13:16:36,763 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=6062, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=231, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=7986, PETRI_PLACES=160, PETRI_TRANSITIONS=526} [2024-12-02 13:16:36,764 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 125 predicate places. [2024-12-02 13:16:36,764 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 526 transitions, 7986 flow [2024-12-02 13:16:36,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:16:36,764 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:36,764 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:36,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 13:16:36,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:36,965 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:36,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:36,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1215898281, now seen corresponding path program 8 times [2024-12-02 13:16:36,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:36,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359187966] [2024-12-02 13:16:36,966 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:16:36,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:36,985 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:16:36,985 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:37,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:37,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:37,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359187966] [2024-12-02 13:16:37,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359187966] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:37,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235759665] [2024-12-02 13:16:37,105 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:16:37,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:37,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:16:37,107 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:16:37,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 13:16:37,185 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:16:37,185 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:37,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:16:37,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:16:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:37,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:16:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:37,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235759665] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:37,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:16:37,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 13 [2024-12-02 13:16:37,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422844830] [2024-12-02 13:16:37,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:37,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:16:37,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:37,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:16:37,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:16:37,365 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 33 [2024-12-02 13:16:37,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 526 transitions, 7986 flow. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:16:37,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:37,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 33 [2024-12-02 13:16:37,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:40,471 INFO L124 PetriNetUnfolderBase]: 12138/17463 cut-off events. [2024-12-02 13:16:40,471 INFO L125 PetriNetUnfolderBase]: For 187497/188313 co-relation queries the response was YES. [2024-12-02 13:16:40,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101736 conditions, 17463 events. 12138/17463 cut-off events. For 187497/188313 co-relation queries the response was YES. Maximal size of possible extension queue 864. Compared 105222 event pairs, 1639 based on Foata normal form. 308/17735 useless extension candidates. Maximal degree in co-relation 101660. Up to 8807 conditions per place. [2024-12-02 13:16:40,600 INFO L140 encePairwiseOnDemand]: 22/33 looper letters, 342 selfloop transitions, 259 changer transitions 0/608 dead transitions. [2024-12-02 13:16:40,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 608 transitions, 9889 flow [2024-12-02 13:16:40,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:16:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 13:16:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 125 transitions. [2024-12-02 13:16:40,601 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4734848484848485 [2024-12-02 13:16:40,601 INFO L175 Difference]: Start difference. First operand has 160 places, 526 transitions, 7986 flow. Second operand 8 states and 125 transitions. [2024-12-02 13:16:40,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 608 transitions, 9889 flow [2024-12-02 13:16:42,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 608 transitions, 9798 flow, removed 44 selfloop flow, removed 2 redundant places. [2024-12-02 13:16:42,089 INFO L231 Difference]: Finished difference. Result has 167 places, 529 transitions, 8776 flow [2024-12-02 13:16:42,089 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=7903, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=8776, PETRI_PLACES=167, PETRI_TRANSITIONS=529} [2024-12-02 13:16:42,090 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 132 predicate places. [2024-12-02 13:16:42,090 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 529 transitions, 8776 flow [2024-12-02 13:16:42,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:16:42,090 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:42,090 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:42,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 13:16:42,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:42,291 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:42,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:42,291 INFO L85 PathProgramCache]: Analyzing trace with hash 144171053, now seen corresponding path program 9 times [2024-12-02 13:16:42,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:42,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917436356] [2024-12-02 13:16:42,291 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 13:16:42,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:42,299 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 13:16:42,299 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:42,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:42,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917436356] [2024-12-02 13:16:42,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917436356] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:42,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:42,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:16:42,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634730652] [2024-12-02 13:16:42,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:42,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:16:42,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:42,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:16:42,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:16:42,376 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 33 [2024-12-02 13:16:42,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 529 transitions, 8776 flow. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 13:16:42,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:42,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 33 [2024-12-02 13:16:42,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:45,991 INFO L124 PetriNetUnfolderBase]: 15666/22111 cut-off events. [2024-12-02 13:16:45,991 INFO L125 PetriNetUnfolderBase]: For 281886/281886 co-relation queries the response was YES. [2024-12-02 13:16:46,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135033 conditions, 22111 events. 15666/22111 cut-off events. For 281886/281886 co-relation queries the response was YES. Maximal size of possible extension queue 916. Compared 130439 event pairs, 1278 based on Foata normal form. 22/22132 useless extension candidates. Maximal degree in co-relation 134954. Up to 10936 conditions per place. [2024-12-02 13:16:46,182 INFO L140 encePairwiseOnDemand]: 22/33 looper letters, 902 selfloop transitions, 150 changer transitions 0/1053 dead transitions. [2024-12-02 13:16:46,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 1053 transitions, 18890 flow [2024-12-02 13:16:46,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:16:46,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 13:16:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 219 transitions. [2024-12-02 13:16:46,184 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5104895104895105 [2024-12-02 13:16:46,184 INFO L175 Difference]: Start difference. First operand has 167 places, 529 transitions, 8776 flow. Second operand 13 states and 219 transitions. [2024-12-02 13:16:46,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 1053 transitions, 18890 flow [2024-12-02 13:16:48,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 1053 transitions, 18476 flow, removed 41 selfloop flow, removed 3 redundant places. [2024-12-02 13:16:48,484 INFO L231 Difference]: Finished difference. Result has 184 places, 595 transitions, 10410 flow [2024-12-02 13:16:48,484 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=8581, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10410, PETRI_PLACES=184, PETRI_TRANSITIONS=595} [2024-12-02 13:16:48,484 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 149 predicate places. [2024-12-02 13:16:48,485 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 595 transitions, 10410 flow [2024-12-02 13:16:48,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 13:16:48,485 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:48,485 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:48,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 13:16:48,485 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:48,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:48,485 INFO L85 PathProgramCache]: Analyzing trace with hash 874510347, now seen corresponding path program 10 times [2024-12-02 13:16:48,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:48,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712592615] [2024-12-02 13:16:48,486 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 13:16:48,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:48,492 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 13:16:48,492 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:48,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:48,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712592615] [2024-12-02 13:16:48,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712592615] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:16:48,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:16:48,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:16:48,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812718629] [2024-12-02 13:16:48,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:16:48,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:16:48,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:48,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:16:48,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:16:48,546 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 33 [2024-12-02 13:16:48,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 595 transitions, 10410 flow. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 13:16:48,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:48,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 33 [2024-12-02 13:16:48,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:16:52,170 INFO L124 PetriNetUnfolderBase]: 16909/23858 cut-off events. [2024-12-02 13:16:52,170 INFO L125 PetriNetUnfolderBase]: For 310643/310643 co-relation queries the response was YES. [2024-12-02 13:16:52,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149470 conditions, 23858 events. 16909/23858 cut-off events. For 310643/310643 co-relation queries the response was YES. Maximal size of possible extension queue 990. Compared 139276 event pairs, 4863 based on Foata normal form. 2/23859 useless extension candidates. Maximal degree in co-relation 149384. Up to 10879 conditions per place. [2024-12-02 13:16:52,372 INFO L140 encePairwiseOnDemand]: 25/33 looper letters, 455 selfloop transitions, 288 changer transitions 2/746 dead transitions. [2024-12-02 13:16:52,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 746 transitions, 13847 flow [2024-12-02 13:16:52,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:16:52,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-12-02 13:16:52,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 111 transitions. [2024-12-02 13:16:52,374 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4805194805194805 [2024-12-02 13:16:52,374 INFO L175 Difference]: Start difference. First operand has 184 places, 595 transitions, 10410 flow. Second operand 7 states and 111 transitions. [2024-12-02 13:16:52,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 746 transitions, 13847 flow [2024-12-02 13:16:55,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 746 transitions, 13710 flow, removed 51 selfloop flow, removed 2 redundant places. [2024-12-02 13:16:55,404 INFO L231 Difference]: Finished difference. Result has 193 places, 656 transitions, 12525 flow [2024-12-02 13:16:55,404 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=10293, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=227, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12525, PETRI_PLACES=193, PETRI_TRANSITIONS=656} [2024-12-02 13:16:55,404 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 158 predicate places. [2024-12-02 13:16:55,405 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 656 transitions, 12525 flow [2024-12-02 13:16:55,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 13:16:55,405 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:16:55,405 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:16:55,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 13:16:55,405 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:16:55,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:16:55,405 INFO L85 PathProgramCache]: Analyzing trace with hash 701544013, now seen corresponding path program 11 times [2024-12-02 13:16:55,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:16:55,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537061742] [2024-12-02 13:16:55,405 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 13:16:55,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:55,413 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:16:55,413 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:55,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:55,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537061742] [2024-12-02 13:16:55,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537061742] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:55,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811917457] [2024-12-02 13:16:55,474 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 13:16:55,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:55,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:16:55,476 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:16:55,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 13:16:55,554 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:16:55,554 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:16:55,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:16:55,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:16:55,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:55,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:16:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:16:55,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811917457] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:16:55,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:16:55,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 16 [2024-12-02 13:16:55,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765635130] [2024-12-02 13:16:55,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:16:55,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 13:16:55,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:16:55,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 13:16:55,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:16:55,744 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 33 [2024-12-02 13:16:55,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 656 transitions, 12525 flow. Second operand has 16 states, 16 states have (on average 7.125) internal successors, (114), 16 states have internal predecessors, (114), 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 13:16:55,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:16:55,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 33 [2024-12-02 13:16:55,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:17:02,415 INFO L124 PetriNetUnfolderBase]: 20247/28737 cut-off events. [2024-12-02 13:17:02,416 INFO L125 PetriNetUnfolderBase]: For 394382/394382 co-relation queries the response was YES. [2024-12-02 13:17:02,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183769 conditions, 28737 events. 20247/28737 cut-off events. For 394382/394382 co-relation queries the response was YES. Maximal size of possible extension queue 1085. Compared 172366 event pairs, 1063 based on Foata normal form. 74/28810 useless extension candidates. Maximal degree in co-relation 183678. Up to 6859 conditions per place. [2024-12-02 13:17:02,697 INFO L140 encePairwiseOnDemand]: 20/33 looper letters, 462 selfloop transitions, 945 changer transitions 0/1408 dead transitions. [2024-12-02 13:17:02,697 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 1408 transitions, 25223 flow [2024-12-02 13:17:02,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-02 13:17:02,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-12-02 13:17:02,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 595 transitions. [2024-12-02 13:17:02,700 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4006734006734007 [2024-12-02 13:17:02,700 INFO L175 Difference]: Start difference. First operand has 193 places, 656 transitions, 12525 flow. Second operand 45 states and 595 transitions. [2024-12-02 13:17:02,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 1408 transitions, 25223 flow [2024-12-02 13:17:07,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 1408 transitions, 24748 flow, removed 89 selfloop flow, removed 5 redundant places. [2024-12-02 13:17:07,042 INFO L231 Difference]: Finished difference. Result has 236 places, 1062 transitions, 21791 flow [2024-12-02 13:17:07,042 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=11996, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=647, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=530, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=21791, PETRI_PLACES=236, PETRI_TRANSITIONS=1062} [2024-12-02 13:17:07,042 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 201 predicate places. [2024-12-02 13:17:07,042 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 1062 transitions, 21791 flow [2024-12-02 13:17:07,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.125) internal successors, (114), 16 states have internal predecessors, (114), 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 13:17:07,043 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:17:07,043 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:17:07,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 13:17:07,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 13:17:07,243 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:17:07,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:07,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1196590923, now seen corresponding path program 1 times [2024-12-02 13:17:07,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:07,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813196311] [2024-12-02 13:17:07,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:17:07,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:17:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:17:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:17:07,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:17:07,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813196311] [2024-12-02 13:17:07,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813196311] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:17:07,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617452602] [2024-12-02 13:17:07,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:17:07,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:17:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:17:07,764 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:17:07,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 13:17:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:17:07,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 13:17:07,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:17:07,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:17:08,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:17:08,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:17:08,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:17:08,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2024-12-02 13:17:08,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:17:08,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 62 [2024-12-02 13:17:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:17:08,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617452602] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:17:08,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:17:08,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 24 [2024-12-02 13:17:08,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196348866] [2024-12-02 13:17:08,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:17:08,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 13:17:08,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:08,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 13:17:08,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:17:08,877 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 33 [2024-12-02 13:17:08,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 1062 transitions, 21791 flow. Second operand has 25 states, 25 states have (on average 8.24) internal successors, (206), 25 states have internal predecessors, (206), 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 13:17:08,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:17:08,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 33 [2024-12-02 13:17:08,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:17:15,583 INFO L124 PetriNetUnfolderBase]: 20127/29717 cut-off events. [2024-12-02 13:17:15,583 INFO L125 PetriNetUnfolderBase]: For 475672/478360 co-relation queries the response was YES. [2024-12-02 13:17:15,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198506 conditions, 29717 events. 20127/29717 cut-off events. For 475672/478360 co-relation queries the response was YES. Maximal size of possible extension queue 1519. Compared 203602 event pairs, 1585 based on Foata normal form. 998/30546 useless extension candidates. Maximal degree in co-relation 195148. Up to 22879 conditions per place. [2024-12-02 13:17:15,908 INFO L140 encePairwiseOnDemand]: 21/33 looper letters, 1616 selfloop transitions, 160 changer transitions 1/1958 dead transitions. [2024-12-02 13:17:15,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 1958 transitions, 42362 flow [2024-12-02 13:17:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:17:15,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-12-02 13:17:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 244 transitions. [2024-12-02 13:17:15,909 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49292929292929294 [2024-12-02 13:17:15,909 INFO L175 Difference]: Start difference. First operand has 236 places, 1062 transitions, 21791 flow. Second operand 15 states and 244 transitions. [2024-12-02 13:17:15,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 1958 transitions, 42362 flow [2024-12-02 13:17:24,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 1958 transitions, 39431 flow, removed 525 selfloop flow, removed 8 redundant places. [2024-12-02 13:17:24,768 INFO L231 Difference]: Finished difference. Result has 250 places, 1217 transitions, 23335 flow [2024-12-02 13:17:24,769 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=20142, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=951, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=23335, PETRI_PLACES=250, PETRI_TRANSITIONS=1217} [2024-12-02 13:17:24,769 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 215 predicate places. [2024-12-02 13:17:24,769 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 1217 transitions, 23335 flow [2024-12-02 13:17:24,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.24) internal successors, (206), 25 states have internal predecessors, (206), 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 13:17:24,770 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:17:24,770 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:17:24,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 13:17:24,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 13:17:24,970 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:17:24,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:24,971 INFO L85 PathProgramCache]: Analyzing trace with hash 425252791, now seen corresponding path program 2 times [2024-12-02 13:17:24,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:24,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385536859] [2024-12-02 13:17:24,971 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:17:24,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:17:24,989 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:17:24,989 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:17:25,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:17:25,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:17:25,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385536859] [2024-12-02 13:17:25,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385536859] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:17:25,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067400869] [2024-12-02 13:17:25,394 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:17:25,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:17:25,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:17:25,396 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:17:25,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 13:17:25,483 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:17:25,483 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:17:25,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 13:17:25,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:17:25,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:17:25,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:17:25,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:17:25,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:17:25,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:17:25,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067400869] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:17:25,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:17:25,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 8] total 24 [2024-12-02 13:17:25,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188776902] [2024-12-02 13:17:25,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:17:25,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 13:17:25,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:25,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 13:17:25,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:17:25,973 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 33 [2024-12-02 13:17:25,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 1217 transitions, 23335 flow. Second operand has 25 states, 25 states have (on average 8.2) internal successors, (205), 25 states have internal predecessors, (205), 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 13:17:25,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:17:25,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 33 [2024-12-02 13:17:25,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:17:33,905 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) |v_thread2Thread1of1ForFork2_~i~1#1_10|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_10|, thread2Thread1of1ForFork2_#t~post6#1=|v_thread2Thread1of1ForFork2_#t~post6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post6#1][1545], [Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 599#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 730#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 732#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 613#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 720#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 750#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 724#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1375#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 1483#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0)), Black: 1535#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0)), Black: 1299#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 1537#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0)), Black: 1291#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 967#(<= 1 ~N~0), Black: 1289#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1525#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1297#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 1487#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1295#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 1485#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1293#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), 1505#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1303#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 407#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 1301#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 405#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0)), Black: 413#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 261#(<= 1 ~N~0), 26#L67-2true, Black: 932#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 1 ~M~0)), 926#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0)), Black: 928#(and (<= 1 ~N~0) (<= 1 ~M~0)), 938#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1320#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1|) ~M~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 44#(= ~res2~0 ~res1~0), Black: 1314#(<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0), 1771#true, 4#L57-6true, 27#L47-2true, Black: 48#(and (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 954#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 939#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 950#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 944#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 948#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 940#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0)), Black: 946#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), 220#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 952#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), 568#(<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0), 7#L89-4true, 409#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), 232#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1116#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 224#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 218#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), Black: 1750#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0)), Black: 216#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0)), Black: 1118#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 222#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1752#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1754#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 1748#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1762#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), Black: 1744#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0)), 1566#true, Black: 1742#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (= ~res1~0 0) (= ~res2~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0)), Black: 1760#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4))))))) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1283#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 738#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 756#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 248#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 722#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 240#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 231#(= |thread1Thread1of1ForFork1_~i~0#1| 0), Black: 714#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 233#(<= 1 ~N~0), Black: 718#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 244#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1275#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:17:33,905 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2024-12-02 13:17:33,906 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:17:33,906 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:17:33,906 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:17:34,304 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) |v_thread2Thread1of1ForFork2_~i~1#1_10|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_10|, thread2Thread1of1ForFork2_#t~post6#1=|v_thread2Thread1of1ForFork2_#t~post6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post6#1][1545], [Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 599#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 730#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 732#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 613#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 720#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 750#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 724#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1375#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 1483#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0)), Black: 1535#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0)), Black: 1299#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 1537#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0)), Black: 1291#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 967#(<= 1 ~N~0), 21#L90true, Black: 1289#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1525#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1297#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 1487#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1295#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 1485#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1293#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), 1505#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1303#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 407#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 1301#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 405#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0)), Black: 413#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 261#(<= 1 ~N~0), 26#L67-2true, Black: 932#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 1 ~M~0)), 926#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0)), Black: 928#(and (<= 1 ~N~0) (<= 1 ~M~0)), 938#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1320#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1|) ~M~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 44#(= ~res2~0 ~res1~0), Black: 1314#(<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0), 1771#true, 4#L57-6true, 27#L47-2true, Black: 48#(and (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 954#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 939#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 950#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 944#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 948#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 940#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0)), Black: 946#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), 220#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 952#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), 568#(<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0), 409#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), 232#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1116#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 224#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 218#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), Black: 1750#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0)), Black: 216#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0)), Black: 1118#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 222#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1752#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1754#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 1748#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1762#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), Black: 1744#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0)), 1566#true, Black: 1742#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (= ~res1~0 0) (= ~res2~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0)), Black: 1760#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4))))))) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1283#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 738#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 756#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 248#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 722#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 240#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 714#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 231#(= |thread1Thread1of1ForFork1_~i~0#1| 0), Black: 233#(<= 1 ~N~0), Black: 718#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 244#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 1275#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:17:34,305 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2024-12-02 13:17:34,305 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:17:34,305 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:17:34,305 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:17:34,992 INFO L124 PetriNetUnfolderBase]: 23983/35584 cut-off events. [2024-12-02 13:17:34,992 INFO L125 PetriNetUnfolderBase]: For 447162/450367 co-relation queries the response was YES. [2024-12-02 13:17:35,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 234472 conditions, 35584 events. 23983/35584 cut-off events. For 447162/450367 co-relation queries the response was YES. Maximal size of possible extension queue 1921. Compared 251445 event pairs, 1576 based on Foata normal form. 1076/36548 useless extension candidates. Maximal degree in co-relation 232046. Up to 26664 conditions per place. [2024-12-02 13:17:35,370 INFO L140 encePairwiseOnDemand]: 19/33 looper letters, 1275 selfloop transitions, 294 changer transitions 1/1691 dead transitions. [2024-12-02 13:17:35,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 1691 transitions, 34109 flow [2024-12-02 13:17:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:17:35,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-12-02 13:17:35,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 185 transitions. [2024-12-02 13:17:35,371 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4004329004329004 [2024-12-02 13:17:35,371 INFO L175 Difference]: Start difference. First operand has 250 places, 1217 transitions, 23335 flow. Second operand 14 states and 185 transitions. [2024-12-02 13:17:35,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 1691 transitions, 34109 flow [2024-12-02 13:17:44,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 1691 transitions, 33941 flow, removed 56 selfloop flow, removed 3 redundant places. [2024-12-02 13:17:45,004 INFO L231 Difference]: Finished difference. Result has 269 places, 1373 transitions, 26982 flow [2024-12-02 13:17:45,005 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=23261, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=951, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=26982, PETRI_PLACES=269, PETRI_TRANSITIONS=1373} [2024-12-02 13:17:45,006 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 234 predicate places. [2024-12-02 13:17:45,006 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 1373 transitions, 26982 flow [2024-12-02 13:17:45,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.2) internal successors, (205), 25 states have internal predecessors, (205), 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 13:17:45,006 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:17:45,006 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:17:45,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 13:17:45,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 13:17:45,207 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:17:45,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:45,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1243069247, now seen corresponding path program 3 times [2024-12-02 13:17:45,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:45,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017240932] [2024-12-02 13:17:45,207 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 13:17:45,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:17:45,229 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-02 13:17:45,229 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:17:45,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:17:45,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:17:45,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017240932] [2024-12-02 13:17:45,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017240932] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:17:45,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341972085] [2024-12-02 13:17:45,629 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 13:17:45,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:17:45,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:17:45,631 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:17:45,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 13:17:45,716 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-02 13:17:45,716 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:17:45,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 13:17:45,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:17:45,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:17:45,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:17:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:17:45,967 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:17:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:17:46,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341972085] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:17:46,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:17:46,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 8] total 24 [2024-12-02 13:17:46,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139401405] [2024-12-02 13:17:46,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:17:46,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 13:17:46,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:46,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 13:17:46,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:17:46,215 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 33 [2024-12-02 13:17:46,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 1373 transitions, 26982 flow. Second operand has 25 states, 25 states have (on average 8.2) internal successors, (205), 25 states have internal predecessors, (205), 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 13:17:46,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:17:46,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 33 [2024-12-02 13:17:46,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:17:58,090 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) |v_thread2Thread1of1ForFork2_~i~1#1_10|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_10|, thread2Thread1of1ForFork2_#t~post6#1=|v_thread2Thread1of1ForFork2_#t~post6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post6#1][1665], [Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 599#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 730#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 732#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 613#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 720#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 750#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 724#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 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0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0)), Black: 1118#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 216#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0)), Black: 222#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1752#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1754#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 1748#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1762#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1566#true, Black: 1744#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0)), Black: 1742#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (= ~res1~0 0) (= ~res2~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0)), Black: 1760#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 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|thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 233#(<= 1 ~N~0), Black: 244#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1275#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:17:58,090 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2024-12-02 13:17:58,090 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:17:58,090 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:17:58,090 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:17:59,012 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) |v_thread2Thread1of1ForFork2_~i~1#1_10|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_10|, thread2Thread1of1ForFork2_#t~post6#1=|v_thread2Thread1of1ForFork2_#t~post6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post6#1][1665], [Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), 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0) (<= 1 ~M~0)), Black: 948#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 940#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0)), Black: 946#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), 220#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 952#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), 568#(<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0), 409#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), 232#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1116#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 224#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 218#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), Black: 1750#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0)), Black: 216#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0)), Black: 1118#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 222#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1752#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1754#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 1748#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1762#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1566#true, Black: 1744#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0)), Black: 1742#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (= ~res1~0 0) (= ~res2~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0)), Black: 1760#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4))))))) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1961#true, 1283#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 738#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 756#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 248#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 240#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 722#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 714#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 231#(= |thread1Thread1of1ForFork1_~i~0#1| 0), Black: 718#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 233#(<= 1 ~N~0), Black: 244#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 1275#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:17:59,013 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2024-12-02 13:17:59,013 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:17:59,013 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:17:59,013 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:18:00,252 INFO L124 PetriNetUnfolderBase]: 27206/40737 cut-off events. [2024-12-02 13:18:00,252 INFO L125 PetriNetUnfolderBase]: For 538034/542086 co-relation queries the response was YES. [2024-12-02 13:18:00,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275500 conditions, 40737 events. 27206/40737 cut-off events. For 538034/542086 co-relation queries the response was YES. Maximal size of possible extension queue 2221. Compared 297386 event pairs, 1612 based on Foata normal form. 1620/42229 useless extension candidates. Maximal degree in co-relation 274616. Up to 31914 conditions per place. [2024-12-02 13:18:00,858 INFO L140 encePairwiseOnDemand]: 18/33 looper letters, 1223 selfloop transitions, 464 changer transitions 1/1809 dead transitions. [2024-12-02 13:18:00,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 1809 transitions, 37352 flow [2024-12-02 13:18:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 13:18:00,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-12-02 13:18:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 219 transitions. [2024-12-02 13:18:00,859 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4147727272727273 [2024-12-02 13:18:00,859 INFO L175 Difference]: Start difference. First operand has 269 places, 1373 transitions, 26982 flow. Second operand 16 states and 219 transitions. [2024-12-02 13:18:00,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 1809 transitions, 37352 flow [2024-12-02 13:18:19,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 1809 transitions, 37313 flow, removed 17 selfloop flow, removed 2 redundant places. [2024-12-02 13:18:19,646 INFO L231 Difference]: Finished difference. Result has 292 places, 1558 transitions, 31133 flow [2024-12-02 13:18:19,647 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=26945, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=295, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=955, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=31133, PETRI_PLACES=292, PETRI_TRANSITIONS=1558} [2024-12-02 13:18:19,648 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 257 predicate places. [2024-12-02 13:18:19,648 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 1558 transitions, 31133 flow [2024-12-02 13:18:19,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.2) internal successors, (205), 25 states have internal predecessors, (205), 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 13:18:19,648 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:18:19,648 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:18:19,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 13:18:19,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:18:19,849 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:18:19,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:19,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1835525260, now seen corresponding path program 1 times [2024-12-02 13:18:19,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:19,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817050098] [2024-12-02 13:18:19,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:19,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:18:20,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:20,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817050098] [2024-12-02 13:18:20,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817050098] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:18:20,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474371354] [2024-12-02 13:18:20,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:20,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:18:20,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:18:20,359 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:18:20,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 13:18:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:20,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:18:20,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:18:20,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:18:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:18:20,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:18:20,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:18:20,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 16 [2024-12-02 13:18:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:18:20,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474371354] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:18:20,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:18:20,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 5] total 16 [2024-12-02 13:18:20,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951478512] [2024-12-02 13:18:20,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:18:20,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:18:20,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:20,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:18:20,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:18:20,753 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 33 [2024-12-02 13:18:20,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 1558 transitions, 31133 flow. Second operand has 17 states, 17 states have (on average 10.058823529411764) internal successors, (171), 17 states have internal predecessors, (171), 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 13:18:20,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:18:20,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 33 [2024-12-02 13:18:20,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:18:34,458 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) |v_thread2Thread1of1ForFork2_~i~1#1_10|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_10|, thread2Thread1of1ForFork2_#t~post6#1=|v_thread2Thread1of1ForFork2_#t~post6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post6#1][1912], [Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 599#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 730#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 732#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 613#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 720#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 750#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 724#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 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~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 222#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1754#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 1748#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1762#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ 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~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4))))))) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1283#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 1961#true, Black: 738#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 756#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), 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|thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:18:34,458 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2024-12-02 13:18:34,458 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:18:34,458 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:18:34,458 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:18:35,615 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) |v_thread2Thread1of1ForFork2_~i~1#1_10|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_10|, thread2Thread1of1ForFork2_#t~post6#1=|v_thread2Thread1of1ForFork2_#t~post6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post6#1][1912], [Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 599#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 730#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 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(< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:18:35,615 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2024-12-02 13:18:35,615 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:18:35,615 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:18:35,615 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:18:35,615 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:18:35,779 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) |v_thread2Thread1of1ForFork2_~i~1#1_10|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_10|, thread2Thread1of1ForFork2_#t~post6#1=|v_thread2Thread1of1ForFork2_#t~post6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post6#1][1912], [Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 599#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 730#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 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~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:18:35,779 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2024-12-02 13:18:35,779 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:18:35,779 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:18:35,779 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:18:36,517 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) 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~M~0)), Black: 261#(<= 1 ~N~0), Black: 1775#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= ~res1~0 0) (= ~res2~0 0)), 26#L67-2true, Black: 1951#(and (= ~res2~0 ~res1~0) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0))), Black: 932#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 1 ~M~0)), Black: 1779#(and (= |thread3Thread1of1ForFork0_~i~2#1| 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1777#(and (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~M~0 0)), Black: 928#(and (<= 1 ~N~0) (<= 1 ~M~0)), 926#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0)), Black: 1774#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0)), Black: 1781#(= ~res2~0 ~res1~0), 1771#true, Black: 954#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 939#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 950#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 944#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 948#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 940#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0)), Black: 946#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), 220#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 952#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), 568#(<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0), 232#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 224#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 218#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), Black: 1750#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0)), Black: 216#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0)), Black: 222#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1752#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1754#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 1748#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1762#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), Black: 1744#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0)), 1566#true, Black: 1742#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (= ~res1~0 0) (= ~res2~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0)), Black: 1760#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4))))))) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1283#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 1961#true, Black: 738#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 756#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 248#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 722#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 240#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 231#(= |thread1Thread1of1ForFork1_~i~0#1| 0), Black: 714#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 233#(<= 1 ~N~0), Black: 718#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 244#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 1275#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:18:36,518 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2024-12-02 13:18:36,518 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:18:36,518 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:18:36,518 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:18:36,518 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:18:38,146 INFO L124 PetriNetUnfolderBase]: 29825/45313 cut-off events. [2024-12-02 13:18:38,147 INFO L125 PetriNetUnfolderBase]: For 686244/691613 co-relation queries the response was YES. [2024-12-02 13:18:38,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332969 conditions, 45313 events. 29825/45313 cut-off events. For 686244/691613 co-relation queries the response was YES. Maximal size of possible extension queue 2659. Compared 347164 event pairs, 2114 based on Foata normal form. 1686/46630 useless extension candidates. Maximal degree in co-relation 332063. Up to 34035 conditions per place. [2024-12-02 13:18:38,906 INFO L140 encePairwiseOnDemand]: 21/33 looper letters, 1389 selfloop transitions, 307 changer transitions 1/2056 dead transitions. [2024-12-02 13:18:38,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 2056 transitions, 42626 flow [2024-12-02 13:18:38,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:18:38,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-12-02 13:18:38,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 193 transitions. [2024-12-02 13:18:38,908 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48737373737373735 [2024-12-02 13:18:38,908 INFO L175 Difference]: Start difference. First operand has 292 places, 1558 transitions, 31133 flow. Second operand 12 states and 193 transitions. [2024-12-02 13:18:38,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 2056 transitions, 42626 flow [2024-12-02 13:18:58,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 2056 transitions, 42457 flow, removed 82 selfloop flow, removed 2 redundant places. [2024-12-02 13:18:58,701 INFO L231 Difference]: Finished difference. Result has 307 places, 1726 transitions, 35225 flow [2024-12-02 13:18:58,702 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=30984, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=35225, PETRI_PLACES=307, PETRI_TRANSITIONS=1726} [2024-12-02 13:18:58,702 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 272 predicate places. [2024-12-02 13:18:58,702 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 1726 transitions, 35225 flow [2024-12-02 13:18:58,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.058823529411764) internal successors, (171), 17 states have internal predecessors, (171), 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 13:18:58,703 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:18:58,703 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:18:58,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 13:18:58,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:18:58,903 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:18:58,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:58,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1816766111, now seen corresponding path program 4 times [2024-12-02 13:18:58,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:58,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401569749] [2024-12-02 13:18:58,904 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 13:18:58,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:58,918 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 13:18:58,918 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:18:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:18:59,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:59,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401569749] [2024-12-02 13:18:59,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401569749] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:18:59,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4273594] [2024-12-02 13:18:59,220 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 13:18:59,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:18:59,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:18:59,222 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:18:59,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 13:18:59,304 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 13:18:59,304 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:18:59,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 13:18:59,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:18:59,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:18:59,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:18:59,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:18:59,559 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:18:59,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2024-12-02 13:18:59,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:18:59,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 62 [2024-12-02 13:18:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:18:59,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4273594] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:18:59,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:18:59,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 24 [2024-12-02 13:18:59,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076441147] [2024-12-02 13:18:59,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:18:59,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 13:18:59,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:59,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 13:18:59,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:18:59,971 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 33 [2024-12-02 13:18:59,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 1726 transitions, 35225 flow. Second operand has 25 states, 25 states have (on average 7.36) internal successors, (184), 25 states have internal predecessors, (184), 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 13:18:59,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:18:59,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 33 [2024-12-02 13:18:59,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:19:30,011 INFO L124 PetriNetUnfolderBase]: 54577/77961 cut-off events. [2024-12-02 13:19:30,011 INFO L125 PetriNetUnfolderBase]: For 1288804/1291324 co-relation queries the response was YES. [2024-12-02 13:19:31,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 597385 conditions, 77961 events. 54577/77961 cut-off events. For 1288804/1291324 co-relation queries the response was YES. Maximal size of possible extension queue 3961. Compared 556155 event pairs, 2924 based on Foata normal form. 1427/79118 useless extension candidates. Maximal degree in co-relation 594125. Up to 53618 conditions per place. [2024-12-02 13:19:31,675 INFO L140 encePairwiseOnDemand]: 18/33 looper letters, 2470 selfloop transitions, 1044 changer transitions 2/3755 dead transitions. [2024-12-02 13:19:31,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 3755 transitions, 81252 flow [2024-12-02 13:19:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:19:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2024-12-02 13:19:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 455 transitions. [2024-12-02 13:19:31,677 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41781450872359965 [2024-12-02 13:19:31,677 INFO L175 Difference]: Start difference. First operand has 307 places, 1726 transitions, 35225 flow. Second operand 33 states and 455 transitions. [2024-12-02 13:19:31,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 3755 transitions, 81252 flow [2024-12-02 13:20:53,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 3755 transitions, 80419 flow, removed 240 selfloop flow, removed 4 redundant places. [2024-12-02 13:20:53,646 INFO L231 Difference]: Finished difference. Result has 352 places, 2669 transitions, 54950 flow [2024-12-02 13:20:53,647 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=34802, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=54950, PETRI_PLACES=352, PETRI_TRANSITIONS=2669} [2024-12-02 13:20:53,647 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 317 predicate places. [2024-12-02 13:20:53,648 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 2669 transitions, 54950 flow [2024-12-02 13:20:53,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.36) internal successors, (184), 25 states have internal predecessors, (184), 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 13:20:53,648 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:20:53,648 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:20:53,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-12-02 13:20:53,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:53,848 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:20:53,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:53,849 INFO L85 PathProgramCache]: Analyzing trace with hash -938987592, now seen corresponding path program 2 times [2024-12-02 13:20:53,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:53,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2175078] [2024-12-02 13:20:53,849 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:20:53,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:53,866 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:20:53,866 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:20:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:20:54,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:54,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2175078] [2024-12-02 13:20:54,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2175078] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:20:54,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76129956] [2024-12-02 13:20:54,109 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:20:54,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:54,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:20:54,111 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:20:54,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-02 13:20:54,213 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:20:54,213 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:20:54,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:20:54,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:20:54,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:20:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:20:54,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:20:54,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:20:54,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 16 [2024-12-02 13:20:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:20:54,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76129956] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:20:54,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:20:54,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 5] total 16 [2024-12-02 13:20:54,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176579829] [2024-12-02 13:20:54,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:20:54,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:20:54,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:54,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:20:54,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:20:54,480 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 33 [2024-12-02 13:20:54,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 2669 transitions, 54950 flow. Second operand has 17 states, 17 states have (on average 10.176470588235293) internal successors, (173), 17 states have internal predecessors, (173), 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 13:20:54,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:20:54,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 33 [2024-12-02 13:20:54,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:21:33,240 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) |v_thread2Thread1of1ForFork2_~i~1#1_10|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_10|, thread2Thread1of1ForFork2_#t~post6#1=|v_thread2Thread1of1ForFork2_#t~post6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post6#1][3269], [Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2541#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0)), Black: 599#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2342#(and (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (and (<= |thread1Thread1of1ForFork1_~i~0#1| 1) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|))) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0)))), Black: 2345#(= ~res2~0 ~res1~0), Black: 730#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 732#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2523#(and (<= 0 ~N~0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 613#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 2335#true, Black: 720#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2525#(and (<= 0 ~N~0) (= |thread3Thread1of1ForFork0_~i~2#1| 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (or (= ~N~0 1) (= ~res1~0 0)) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 750#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 724#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1375#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 1483#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0)), Black: 1535#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0)), Black: 1299#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 1537#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0)), Black: 1291#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2166#(= ~res2~0 ~res1~0), Black: 1289#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2328#(and (= ~res2~0 ~res1~0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1525#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1297#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2165#(and (= ~res2~0 ~res1~0) (= |thread2Thread1of1ForFork2_~i~1#1| 0)), Black: 1487#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1295#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2164#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= ~res2~0 0)), Black: 1485#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1293#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 2163#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1303#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 2161#(and (= ~A~0.offset 0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= ~res1~0 0) (= ~res2~0 0)), Black: 1301#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), 938#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1320#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1|) ~M~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 1314#(<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0), 27#L47-2true, 4#L57-6true, Black: 48#(and (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 7#L89-4true, 409#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1116#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 1969#(and (= |thread3Thread1of1ForFork0_~i~2#1| 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2145#(and (= ~res2~0 ~res1~0) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0))), Black: 1118#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 1966#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= ~res1~0 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1964#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0)), Black: 1965#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2103#(or (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* ~M~0 4))) ~res2~0))), Black: 2139#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= ~res1~0 0) (or (= (select (select |#memory_int#1| ~A~0.base) (* ~M~0 4)) (select (select |#memory_int#1| ~A~0.base) (* 4 |thread1Thread1of1ForFork1_~i~0#1|))) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (= ~res2~0 0)), Black: 1970#(and (= |thread3Thread1of1ForFork0_~i~2#1| 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (= ~res2~0 0)), Black: 1971#(= ~res2~0 ~res1~0), Black: 1967#(and (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~M~0 0)), 2156#true, 967#(<= 1 ~N~0), 1505#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 407#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 405#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0)), Black: 413#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 1776#(and (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= ~M~0 0)), Black: 1923#(or (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset)) (+ (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* ~M~0 4))) ~res2~0)) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)), Black: 261#(<= 1 ~N~0), 26#L67-2true, Black: 1775#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= ~res1~0 0) (= ~res2~0 0)), Black: 1951#(and (= ~res2~0 ~res1~0) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0))), Black: 932#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 1 ~M~0)), Black: 1779#(and (= |thread3Thread1of1ForFork0_~i~2#1| 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1777#(and (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~M~0 0)), Black: 928#(and (<= 1 ~N~0) (<= 1 ~M~0)), 926#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0)), Black: 1774#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0)), Black: 1781#(= ~res2~0 ~res1~0), 1771#true, Black: 954#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 939#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 950#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 944#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 948#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 940#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0)), 220#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 946#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 952#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), 568#(<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0), 2344#(or (< |thread1Thread1of1ForFork1_~i~0#1| ~N~0) (= ~res2~0 ~res1~0)), 232#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 224#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 218#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), Black: 1750#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0)), Black: 216#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0)), Black: 222#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1752#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1754#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 1748#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1762#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1566#true, Black: 1744#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0)), Black: 1742#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (= ~res1~0 0) (= ~res2~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0)), Black: 1760#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4))))))) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1961#true, 1283#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 2567#true, Black: 2537#(and (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (and (<= |thread1Thread1of1ForFork1_~i~0#1| 1) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|))) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0))) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< (+ |thread3Thread1of1ForFork0_~i~2#1| |thread1Thread1of1ForFork1_~i~0#1|) (+ ~N~0 1)))), Black: 2339#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 738#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 756#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2529#(and (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (or (< |thread1Thread1of1ForFork1_~i~0#1| ~N~0) (= ~res2~0 ~res1~0)) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0))) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< (+ |thread3Thread1of1ForFork0_~i~2#1| |thread1Thread1of1ForFork1_~i~0#1|) (+ ~N~0 1)))), Black: 2390#(and (<= 0 ~N~0) (<= 0 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|thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 231#(= |thread1Thread1of1ForFork1_~i~0#1| 0), Black: 718#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2472#(or (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0))), Black: 233#(<= 1 ~N~0), Black: 244#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2533#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (or (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)))), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 1275#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 2527#(and (<= 0 ~N~0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< |thread1Thread1of1ForFork1_~i~0#1| 2)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2465#(or (= ~res1~0 (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)) (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1))), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:21:33,240 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2024-12-02 13:21:33,240 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:21:33,241 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:21:33,241 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:21:33,241 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([563] L67-2-->L70: Formula: (let ((.cse0 (select (select |v_#memory_int#1_58| v_~A~0.base_88) (+ v_~A~0.offset_88 (* |v_thread3Thread1of1ForFork0_~i~2#1_7| 4))))) (let ((.cse1 (+ .cse0 v_~res2~0_72))) (and (not (= (ite (or (<= .cse0 0) (<= .cse1 2147483647)) 1 0) 0)) (not (= (ite (or (<= 0 (+ .cse0 v_~res2~0_72 2147483648)) (<= 0 .cse0)) 1 0) 0)) (<= 0 (+ |v_thread3Thread1of1ForFork0_plus_#res#1_1| 2147483648)) (<= |v_thread3Thread1of1ForFork0_plus_#res#1_1| 2147483647) (= |v_thread3Thread1of1ForFork0_plus_#res#1_1| .cse1) (= |v_thread3Thread1of1ForFork0_plus_#res#1_1| v_~res2~0_71)))) InVars {~A~0.base=v_~A~0.base_88, ~A~0.offset=v_~A~0.offset_88, thread3Thread1of1ForFork0_~i~2#1=|v_thread3Thread1of1ForFork0_~i~2#1_7|, #memory_int#1=|v_#memory_int#1_58|, ~res2~0=v_~res2~0_72} OutVars{~A~0.base=v_~A~0.base_88, thread3Thread1of1ForFork0_plus_#res#1=|v_thread3Thread1of1ForFork0_plus_#res#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, thread3Thread1of1ForFork0_~i~2#1=|v_thread3Thread1of1ForFork0_~i~2#1_7|, #memory_int#1=|v_#memory_int#1_58|, thread3Thread1of1ForFork0_#t~mem7#1=|v_thread3Thread1of1ForFork0_#t~mem7#1_1|, thread3Thread1of1ForFork0_#t~ret8#1=|v_thread3Thread1of1ForFork0_#t~ret8#1_1|, thread3Thread1of1ForFork0_plus_~a#1=|v_thread3Thread1of1ForFork0_plus_~a#1_1|, ~A~0.offset=v_~A~0.offset_88, thread3Thread1of1ForFork0_plus_#in~a#1=|v_thread3Thread1of1ForFork0_plus_#in~a#1_1|, thread3Thread1of1ForFork0_plus_#in~b#1=|v_thread3Thread1of1ForFork0_plus_#in~b#1_1|, thread3Thread1of1ForFork0_plus_~b#1=|v_thread3Thread1of1ForFork0_plus_~b#1_1|, ~res2~0=v_~res2~0_71} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_plus_#res#1, thread3Thread1of1ForFork0_#t~ret8#1, thread3Thread1of1ForFork0_plus_~a#1, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork0_plus_#in~a#1, thread3Thread1of1ForFork0_plus_#in~b#1, 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~N~0)), Black: 2529#(and (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (or (< |thread1Thread1of1ForFork1_~i~0#1| ~N~0) (= ~res2~0 ~res1~0)) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0))) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< (+ |thread3Thread1of1ForFork0_~i~2#1| |thread1Thread1of1ForFork1_~i~0#1|) (+ ~N~0 1)))), Black: 2390#(and (<= 0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))), Black: 248#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 240#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 722#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ 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(+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0))), Black: 233#(<= 1 ~N~0), Black: 244#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2533#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (or (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)))), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1275#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 2527#(and (<= 0 ~N~0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< |thread1Thread1of1ForFork1_~i~0#1| 2)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 2465#(or (= ~res1~0 (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)) (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1))), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:21:33,241 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2024-12-02 13:21:33,241 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:21:33,241 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:21:33,241 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:21:35,302 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) |v_thread2Thread1of1ForFork2_~i~1#1_10|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_10|, thread2Thread1of1ForFork2_#t~post6#1=|v_thread2Thread1of1ForFork2_#t~post6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post6#1][3269], [Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 744#(and (<= 1 ~N~0) (<= 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0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2523#(and (<= 0 ~N~0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 613#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 2335#true, Black: 720#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2525#(and (<= 0 ~N~0) (= |thread3Thread1of1ForFork0_~i~2#1| 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (or (= ~N~0 1) (= ~res1~0 0)) (<= ~N~0 1) (= 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|thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2166#(= ~res2~0 ~res1~0), 21#L90true, Black: 1289#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2328#(and (= ~res2~0 ~res1~0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1525#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1297#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2165#(and (= ~res2~0 ~res1~0) (= |thread2Thread1of1ForFork2_~i~1#1| 0)), Black: 1487#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1295#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ 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|thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 1776#(and (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= ~M~0 0)), Black: 261#(<= 1 ~N~0), Black: 1923#(or (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset)) (+ (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* ~M~0 4))) ~res2~0)) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)), 26#L67-2true, Black: 1775#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= ~res1~0 0) (= ~res2~0 0)), Black: 1951#(and (= ~res2~0 ~res1~0) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0))), Black: 932#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 1 ~M~0)), Black: 1779#(and (= |thread3Thread1of1ForFork0_~i~2#1| 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (= ~res2~0 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((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), Black: 1744#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0)), 1566#true, Black: 1742#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (= ~res1~0 0) (= ~res2~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0)), Black: 1760#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ 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|thread1Thread1of1ForFork1_~i~0#1| ~N~0) (= ~res2~0 ~res1~0)) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0))) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< (+ |thread3Thread1of1ForFork0_~i~2#1| |thread1Thread1of1ForFork1_~i~0#1|) (+ ~N~0 1)))), Black: 248#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 2390#(and (<= 0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))), Black: 240#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 722#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2341#(and (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)))), Black: 2517#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 231#(= |thread1Thread1of1ForFork1_~i~0#1| 0), Black: 714#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 718#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2472#(or (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0))), Black: 233#(<= 1 ~N~0), Black: 244#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2533#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (or (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)))), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 1275#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 2527#(and (<= 0 ~N~0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< |thread1Thread1of1ForFork1_~i~0#1| 2)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2465#(or (= ~res1~0 (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)) (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)))]) [2024-12-02 13:21:35,302 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2024-12-02 13:21:35,302 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:21:35,302 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:21:35,302 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:21:35,303 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([563] L67-2-->L70: Formula: (let ((.cse0 (select (select |v_#memory_int#1_58| v_~A~0.base_88) (+ v_~A~0.offset_88 (* |v_thread3Thread1of1ForFork0_~i~2#1_7| 4))))) (let ((.cse1 (+ .cse0 v_~res2~0_72))) (and (not (= (ite (or (<= .cse0 0) (<= .cse1 2147483647)) 1 0) 0)) (not (= (ite (or (<= 0 (+ .cse0 v_~res2~0_72 2147483648)) (<= 0 .cse0)) 1 0) 0)) (<= 0 (+ |v_thread3Thread1of1ForFork0_plus_#res#1_1| 2147483648)) (<= |v_thread3Thread1of1ForFork0_plus_#res#1_1| 2147483647) (= |v_thread3Thread1of1ForFork0_plus_#res#1_1| .cse1) (= |v_thread3Thread1of1ForFork0_plus_#res#1_1| v_~res2~0_71)))) InVars {~A~0.base=v_~A~0.base_88, ~A~0.offset=v_~A~0.offset_88, thread3Thread1of1ForFork0_~i~2#1=|v_thread3Thread1of1ForFork0_~i~2#1_7|, #memory_int#1=|v_#memory_int#1_58|, ~res2~0=v_~res2~0_72} OutVars{~A~0.base=v_~A~0.base_88, thread3Thread1of1ForFork0_plus_#res#1=|v_thread3Thread1of1ForFork0_plus_#res#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, thread3Thread1of1ForFork0_~i~2#1=|v_thread3Thread1of1ForFork0_~i~2#1_7|, #memory_int#1=|v_#memory_int#1_58|, thread3Thread1of1ForFork0_#t~mem7#1=|v_thread3Thread1of1ForFork0_#t~mem7#1_1|, thread3Thread1of1ForFork0_#t~ret8#1=|v_thread3Thread1of1ForFork0_#t~ret8#1_1|, thread3Thread1of1ForFork0_plus_~a#1=|v_thread3Thread1of1ForFork0_plus_~a#1_1|, ~A~0.offset=v_~A~0.offset_88, thread3Thread1of1ForFork0_plus_#in~a#1=|v_thread3Thread1of1ForFork0_plus_#in~a#1_1|, thread3Thread1of1ForFork0_plus_#in~b#1=|v_thread3Thread1of1ForFork0_plus_#in~b#1_1|, thread3Thread1of1ForFork0_plus_~b#1=|v_thread3Thread1of1ForFork0_plus_~b#1_1|, ~res2~0=v_~res2~0_71} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_plus_#res#1, thread3Thread1of1ForFork0_#t~ret8#1, thread3Thread1of1ForFork0_plus_~a#1, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork0_plus_#in~a#1, thread3Thread1of1ForFork0_plus_#in~b#1, thread3Thread1of1ForFork0_plus_~b#1, thread3Thread1of1ForFork0_#t~mem7#1, ~res2~0][1076], [Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2344#(or (< |thread1Thread1of1ForFork1_~i~0#1| ~N~0) (= ~res2~0 ~res1~0)), Black: 2541#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0)), Black: 599#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2342#(and (= ~A~0.offset 0) (or (= 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0)), Black: 1965#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2103#(or (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* ~M~0 4))) ~res2~0))), Black: 2139#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= ~res1~0 0) (or (= (select (select |#memory_int#1| ~A~0.base) (* ~M~0 4)) (select (select |#memory_int#1| ~A~0.base) (* 4 |thread1Thread1of1ForFork1_~i~0#1|))) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (= ~res2~0 0)), Black: 1970#(and (= |thread3Thread1of1ForFork0_~i~2#1| 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (= ~res2~0 0)), Black: 1971#(= ~res2~0 ~res1~0), Black: 1967#(and (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~M~0 0)), 2156#true, Black: 407#(and (<= 1 ~N~0) (<= (+ 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|thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1754#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 1748#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 29#L60true, Black: 1762#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1566#true, Black: 1744#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0)), Black: 1742#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (= ~res1~0 0) (= ~res2~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0)), Black: 1760#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4))))))) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1961#true, 1283#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 2567#true, Black: 2537#(and (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (and (<= |thread1Thread1of1ForFork1_~i~0#1| 1) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|))) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0))) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< (+ |thread3Thread1of1ForFork0_~i~2#1| |thread1Thread1of1ForFork1_~i~0#1|) (+ ~N~0 1)))), Black: 2339#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 738#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 756#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2529#(and (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (or (< |thread1Thread1of1ForFork1_~i~0#1| ~N~0) (= ~res2~0 ~res1~0)) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0))) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< (+ |thread3Thread1of1ForFork0_~i~2#1| |thread1Thread1of1ForFork1_~i~0#1|) (+ ~N~0 1)))), Black: 248#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 2390#(and (<= 0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))), Black: 240#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 722#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2341#(and (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)))), Black: 714#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2517#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 231#(= |thread1Thread1of1ForFork1_~i~0#1| 0), Black: 233#(<= 1 ~N~0), Black: 718#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2472#(or (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0))), Black: 244#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2533#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (or (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)))), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1275#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 2527#(and (<= 0 ~N~0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< |thread1Thread1of1ForFork1_~i~0#1| 2)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2465#(or (= ~res1~0 (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)) (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)))]) [2024-12-02 13:21:35,303 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2024-12-02 13:21:35,303 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:21:35,303 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:21:35,303 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:21:38,205 INFO L124 PetriNetUnfolderBase]: 51007/75557 cut-off events. [2024-12-02 13:21:38,205 INFO L125 PetriNetUnfolderBase]: For 1474361/1483729 co-relation queries the response was YES. [2024-12-02 13:21:39,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 642192 conditions, 75557 events. 51007/75557 cut-off events. For 1474361/1483729 co-relation queries the response was YES. Maximal size of possible extension queue 4304. Compared 584455 event pairs, 1877 based on Foata normal form. 3408/78147 useless extension candidates. Maximal degree in co-relation 638911. Up to 45722 conditions per place. [2024-12-02 13:21:39,944 INFO L140 encePairwiseOnDemand]: 22/33 looper letters, 1771 selfloop transitions, 1179 changer transitions 1/3426 dead transitions. [2024-12-02 13:21:39,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 3426 transitions, 74906 flow [2024-12-02 13:21:39,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:21:39,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-12-02 13:21:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 252 transitions. [2024-12-02 13:21:39,946 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.509090909090909 [2024-12-02 13:21:39,946 INFO L175 Difference]: Start difference. First operand has 352 places, 2669 transitions, 54950 flow. Second operand 15 states and 252 transitions. [2024-12-02 13:21:39,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 3426 transitions, 74906 flow [2024-12-02 13:23:25,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 3426 transitions, 73266 flow, removed 748 selfloop flow, removed 6 redundant places. [2024-12-02 13:23:25,734 INFO L231 Difference]: Finished difference. Result has 367 places, 3024 transitions, 65698 flow [2024-12-02 13:23:25,735 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=53392, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=867, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=65698, PETRI_PLACES=367, PETRI_TRANSITIONS=3024} [2024-12-02 13:23:25,736 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 332 predicate places. [2024-12-02 13:23:25,736 INFO L471 AbstractCegarLoop]: Abstraction has has 367 places, 3024 transitions, 65698 flow [2024-12-02 13:23:25,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.176470588235293) internal successors, (173), 17 states have internal predecessors, (173), 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 13:23:25,736 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:23:25,736 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:23:25,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-12-02 13:23:25,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-02 13:23:25,937 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:23:25,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:23:25,937 INFO L85 PathProgramCache]: Analyzing trace with hash -849754199, now seen corresponding path program 5 times [2024-12-02 13:23:25,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:23:25,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832957343] [2024-12-02 13:23:25,937 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 13:23:25,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:23:25,962 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:23:25,962 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:23:26,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:23:26,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:23:26,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832957343] [2024-12-02 13:23:26,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832957343] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:23:26,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558316244] [2024-12-02 13:23:26,392 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 13:23:26,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:23:26,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:23:26,394 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:23:26,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-02 13:23:26,494 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:23:26,494 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:23:26,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 13:23:26,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:23:26,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:23:26,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:23:26,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:23:26,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:23:27,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2024-12-02 13:23:27,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:23:27,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 62 [2024-12-02 13:23:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:23:27,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558316244] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:23:27,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:23:27,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-12-02 13:23:27,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535173813] [2024-12-02 13:23:27,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:23:27,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 13:23:27,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:23:27,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 13:23:27,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2024-12-02 13:23:27,401 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 33 [2024-12-02 13:23:27,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 3024 transitions, 65698 flow. Second operand has 23 states, 23 states have (on average 8.391304347826088) internal successors, (193), 23 states have internal predecessors, (193), 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 13:23:27,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:23:27,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 33 [2024-12-02 13:23:27,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:24:18,063 INFO L124 PetriNetUnfolderBase]: 57857/84041 cut-off events. [2024-12-02 13:24:18,064 INFO L125 PetriNetUnfolderBase]: For 1795899/1800489 co-relation queries the response was YES. [2024-12-02 13:24:19,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 752302 conditions, 84041 events. 57857/84041 cut-off events. For 1795899/1800489 co-relation queries the response was YES. Maximal size of possible extension queue 4703. Compared 632919 event pairs, 3551 based on Foata normal form. 2731/86242 useless extension candidates. Maximal degree in co-relation 748692. Up to 72553 conditions per place. [2024-12-02 13:24:20,051 INFO L140 encePairwiseOnDemand]: 22/33 looper letters, 3029 selfloop transitions, 191 changer transitions 1/3477 dead transitions. [2024-12-02 13:24:20,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 3477 transitions, 81935 flow [2024-12-02 13:24:20,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:24:20,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-12-02 13:24:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 159 transitions. [2024-12-02 13:24:20,053 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4818181818181818 [2024-12-02 13:24:20,053 INFO L175 Difference]: Start difference. First operand has 367 places, 3024 transitions, 65698 flow. Second operand 10 states and 159 transitions. [2024-12-02 13:24:20,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 3477 transitions, 81935 flow [2024-12-02 13:26:40,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 3477 transitions, 80721 flow, removed 309 selfloop flow, removed 5 redundant places. [2024-12-02 13:26:40,932 INFO L231 Difference]: Finished difference. Result has 374 places, 3063 transitions, 65917 flow [2024-12-02 13:26:40,933 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=64718, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2854, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=65917, PETRI_PLACES=374, PETRI_TRANSITIONS=3063} [2024-12-02 13:26:40,934 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 339 predicate places. [2024-12-02 13:26:40,934 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 3063 transitions, 65917 flow [2024-12-02 13:26:40,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.391304347826088) internal successors, (193), 23 states have internal predecessors, (193), 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 13:26:40,934 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:26:40,934 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:26:40,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-12-02 13:26:41,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-12-02 13:26:41,134 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:26:41,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:26:41,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2114325416, now seen corresponding path program 3 times [2024-12-02 13:26:41,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:26:41,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709851427] [2024-12-02 13:26:41,135 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 13:26:41,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:26:41,145 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 13:26:41,145 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:26:41,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:26:41,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:26:41,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709851427] [2024-12-02 13:26:41,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709851427] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:26:41,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:26:41,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:26:41,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298008379] [2024-12-02 13:26:41,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:26:41,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:26:41,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:26:41,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:26:41,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:26:41,402 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 33 [2024-12-02 13:26:41,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 3063 transitions, 65917 flow. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 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 13:26:41,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:26:41,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 33 [2024-12-02 13:26:41,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:27:19,688 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([563] L67-2-->L70: Formula: (let ((.cse0 (select (select |v_#memory_int#1_58| v_~A~0.base_88) (+ v_~A~0.offset_88 (* |v_thread3Thread1of1ForFork0_~i~2#1_7| 4))))) (let ((.cse1 (+ .cse0 v_~res2~0_72))) (and (not (= (ite (or (<= .cse0 0) (<= .cse1 2147483647)) 1 0) 0)) (not (= (ite (or (<= 0 (+ .cse0 v_~res2~0_72 2147483648)) (<= 0 .cse0)) 1 0) 0)) (<= 0 (+ |v_thread3Thread1of1ForFork0_plus_#res#1_1| 2147483648)) (<= |v_thread3Thread1of1ForFork0_plus_#res#1_1| 2147483647) (= |v_thread3Thread1of1ForFork0_plus_#res#1_1| .cse1) (= |v_thread3Thread1of1ForFork0_plus_#res#1_1| v_~res2~0_71)))) InVars {~A~0.base=v_~A~0.base_88, ~A~0.offset=v_~A~0.offset_88, thread3Thread1of1ForFork0_~i~2#1=|v_thread3Thread1of1ForFork0_~i~2#1_7|, #memory_int#1=|v_#memory_int#1_58|, ~res2~0=v_~res2~0_72} OutVars{~A~0.base=v_~A~0.base_88, thread3Thread1of1ForFork0_plus_#res#1=|v_thread3Thread1of1ForFork0_plus_#res#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, thread3Thread1of1ForFork0_~i~2#1=|v_thread3Thread1of1ForFork0_~i~2#1_7|, #memory_int#1=|v_#memory_int#1_58|, thread3Thread1of1ForFork0_#t~mem7#1=|v_thread3Thread1of1ForFork0_#t~mem7#1_1|, thread3Thread1of1ForFork0_#t~ret8#1=|v_thread3Thread1of1ForFork0_#t~ret8#1_1|, thread3Thread1of1ForFork0_plus_~a#1=|v_thread3Thread1of1ForFork0_plus_~a#1_1|, ~A~0.offset=v_~A~0.offset_88, thread3Thread1of1ForFork0_plus_#in~a#1=|v_thread3Thread1of1ForFork0_plus_#in~a#1_1|, thread3Thread1of1ForFork0_plus_#in~b#1=|v_thread3Thread1of1ForFork0_plus_#in~b#1_1|, thread3Thread1of1ForFork0_plus_~b#1=|v_thread3Thread1of1ForFork0_plus_~b#1_1|, ~res2~0=v_~res2~0_71} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_plus_#res#1, thread3Thread1of1ForFork0_#t~ret8#1, thread3Thread1of1ForFork0_plus_~a#1, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork0_plus_#in~a#1, thread3Thread1of1ForFork0_plus_#in~b#1, thread3Thread1of1ForFork0_plus_~b#1, thread3Thread1of1ForFork0_#t~mem7#1, ~res2~0][1195], [Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2344#(or (< |thread1Thread1of1ForFork1_~i~0#1| ~N~0) (= ~res2~0 ~res1~0)), Black: 2541#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0)), Black: 2342#(and (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (and (<= |thread1Thread1of1ForFork1_~i~0#1| 1) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|))) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0)))), Black: 599#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2345#(= ~res2~0 ~res1~0), Black: 730#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2523#(and (<= 0 ~N~0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 732#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 613#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 2525#(and (<= 0 ~N~0) (= |thread3Thread1of1ForFork0_~i~2#1| 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (or (= ~N~0 1) (= ~res1~0 0)) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 720#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 750#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 724#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1375#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 1483#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0)), Black: 1535#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0)), Black: 1299#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 1537#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0)), Black: 1291#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2166#(= ~res2~0 ~res1~0), Black: 1289#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2328#(and (= ~res2~0 ~res1~0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1505#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1297#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2165#(and (= ~res2~0 ~res1~0) (= |thread2Thread1of1ForFork2_~i~1#1| 0)), Black: 1487#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1295#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2164#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= ~res2~0 0)), Black: 1485#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1293#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 2163#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1303#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 1301#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), 938#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1320#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1|) ~M~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 1314#(<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0), 27#L47-2true, Black: 48#(and (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 2751#true, 7#L89-4true, 409#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 1116#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~N~0) (or (< 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|thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:27:19,688 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2024-12-02 13:27:19,688 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:27:19,688 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:27:19,688 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:27:19,688 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) |v_thread2Thread1of1ForFork2_~i~1#1_10|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_10|, thread2Thread1of1ForFork2_#t~post6#1=|v_thread2Thread1of1ForFork2_#t~post6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post6#1][3337], [Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2541#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0)), Black: 2342#(and (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (and (<= |thread1Thread1of1ForFork1_~i~0#1| 1) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|))) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0)))), Black: 599#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2345#(= ~res2~0 ~res1~0), Black: 730#(and (<= 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((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4))))))) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1961#true, 1283#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 2567#true, Black: 2537#(and (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (and (<= |thread1Thread1of1ForFork1_~i~0#1| 1) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|))) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0))) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< (+ |thread3Thread1of1ForFork0_~i~2#1| |thread1Thread1of1ForFork1_~i~0#1|) (+ ~N~0 1)))), Black: 738#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2339#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 756#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2529#(and (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (or (< |thread1Thread1of1ForFork1_~i~0#1| ~N~0) (= ~res2~0 ~res1~0)) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0))) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< (+ |thread3Thread1of1ForFork0_~i~2#1| |thread1Thread1of1ForFork1_~i~0#1|) (+ ~N~0 1)))), Black: 248#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 2390#(and (<= 0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))), Black: 240#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 722#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2341#(and (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)))), Black: 714#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2517#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 231#(= |thread1Thread1of1ForFork1_~i~0#1| 0), Black: 718#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2472#(or (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0))), Black: 233#(<= 1 ~N~0), Black: 244#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2533#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (or (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)))), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 1275#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 2527#(and (<= 0 ~N~0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< |thread1Thread1of1ForFork1_~i~0#1| 2)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2465#(or (= ~res1~0 (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)) (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1))), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0))]) [2024-12-02 13:27:19,688 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2024-12-02 13:27:19,688 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:27:19,688 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:27:19,688 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2024-12-02 13:27:21,897 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([563] L67-2-->L70: Formula: (let ((.cse0 (select (select |v_#memory_int#1_58| v_~A~0.base_88) (+ v_~A~0.offset_88 (* |v_thread3Thread1of1ForFork0_~i~2#1_7| 4))))) (let ((.cse1 (+ .cse0 v_~res2~0_72))) (and (not (= (ite (or (<= .cse0 0) (<= .cse1 2147483647)) 1 0) 0)) (not (= (ite (or (<= 0 (+ .cse0 v_~res2~0_72 2147483648)) (<= 0 .cse0)) 1 0) 0)) (<= 0 (+ |v_thread3Thread1of1ForFork0_plus_#res#1_1| 2147483648)) (<= |v_thread3Thread1of1ForFork0_plus_#res#1_1| 2147483647) (= |v_thread3Thread1of1ForFork0_plus_#res#1_1| .cse1) (= |v_thread3Thread1of1ForFork0_plus_#res#1_1| v_~res2~0_71)))) InVars {~A~0.base=v_~A~0.base_88, ~A~0.offset=v_~A~0.offset_88, thread3Thread1of1ForFork0_~i~2#1=|v_thread3Thread1of1ForFork0_~i~2#1_7|, #memory_int#1=|v_#memory_int#1_58|, ~res2~0=v_~res2~0_72} OutVars{~A~0.base=v_~A~0.base_88, thread3Thread1of1ForFork0_plus_#res#1=|v_thread3Thread1of1ForFork0_plus_#res#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, thread3Thread1of1ForFork0_~i~2#1=|v_thread3Thread1of1ForFork0_~i~2#1_7|, #memory_int#1=|v_#memory_int#1_58|, thread3Thread1of1ForFork0_#t~mem7#1=|v_thread3Thread1of1ForFork0_#t~mem7#1_1|, thread3Thread1of1ForFork0_#t~ret8#1=|v_thread3Thread1of1ForFork0_#t~ret8#1_1|, thread3Thread1of1ForFork0_plus_~a#1=|v_thread3Thread1of1ForFork0_plus_~a#1_1|, ~A~0.offset=v_~A~0.offset_88, thread3Thread1of1ForFork0_plus_#in~a#1=|v_thread3Thread1of1ForFork0_plus_#in~a#1_1|, thread3Thread1of1ForFork0_plus_#in~b#1=|v_thread3Thread1of1ForFork0_plus_#in~b#1_1|, thread3Thread1of1ForFork0_plus_~b#1=|v_thread3Thread1of1ForFork0_plus_~b#1_1|, ~res2~0=v_~res2~0_71} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_plus_#res#1, thread3Thread1of1ForFork0_#t~ret8#1, thread3Thread1of1ForFork0_plus_~a#1, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork0_plus_#in~a#1, thread3Thread1of1ForFork0_plus_#in~b#1, thread3Thread1of1ForFork0_plus_~b#1, thread3Thread1of1ForFork0_#t~mem7#1, ~res2~0][1195], [Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2344#(or (< |thread1Thread1of1ForFork1_~i~0#1| ~N~0) (= ~res2~0 ~res1~0)), Black: 2541#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0)), Black: 2342#(and (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (and (<= |thread1Thread1of1ForFork1_~i~0#1| 1) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|))) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0)))), Black: 599#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2345#(= ~res2~0 ~res1~0), Black: 730#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2523#(and (<= 0 ~N~0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 732#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 613#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 2525#(and (<= 0 ~N~0) (= |thread3Thread1of1ForFork0_~i~2#1| 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (or (= ~N~0 1) (= ~res1~0 0)) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 720#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 750#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 724#(and (<= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1375#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0)), Black: 1483#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0)), Black: 1535#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0)), Black: 1299#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 1537#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| 1) ~M~0)), Black: 1291#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2166#(= ~res2~0 ~res1~0), 21#L90true, Black: 1289#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2328#(and (= ~res2~0 ~res1~0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1505#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1297#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2165#(and (= ~res2~0 ~res1~0) (= |thread2Thread1of1ForFork2_~i~1#1| 0)), Black: 1487#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 1295#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2164#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (= |thread2Thread1of1ForFork2_~i~1#1| 0) (= ~res2~0 0)), Black: 1293#(and (<= 1 ~N~0) (<= (+ 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|thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2465#(or (= ~res1~0 (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)) (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)))]) [2024-12-02 13:27:21,898 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2024-12-02 13:27:21,898 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:27:21,898 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:27:21,898 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:27:21,898 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([559] L60-->L57-6: Formula: (= (+ |v_thread2Thread1of1ForFork2_~i~1#1_9| 1) |v_thread2Thread1of1ForFork2_~i~1#1_10|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_10|, thread2Thread1of1ForFork2_#t~post6#1=|v_thread2Thread1of1ForFork2_#t~post6#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post6#1][3337], [Black: 246#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 744#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2541#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0)), Black: 2342#(and (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (and (<= |thread1Thread1of1ForFork1_~i~0#1| 1) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|))) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 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|thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 1748#(and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 1762#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), Black: 1744#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0)), 1566#true, Black: 1742#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (= ~res1~0 0) (= ~res2~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0)), Black: 1760#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4))))))) (forall ((|v_thread3Thread1of1ForFork0_~i~2#1_38| Int)) (or (= (+ ~res2~0 (select (select |#memory_int#1| ~A~0.base) (+ ~A~0.offset (* |v_thread3Thread1of1ForFork0_~i~2#1_38| 4)))) (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))) (< |v_thread3Thread1of1ForFork0_~i~2#1_38| ~M~0) (< ~N~0 (+ |v_thread3Thread1of1ForFork0_~i~2#1_38| 1))))), 1283#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 1961#true, 2567#true, Black: 2537#(and (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (and (<= |thread1Thread1of1ForFork1_~i~0#1| 1) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|))) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0))) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< (+ |thread3Thread1of1ForFork0_~i~2#1| |thread1Thread1of1ForFork1_~i~0#1|) (+ ~N~0 1)))), Black: 2339#(and (<= 0 ~M~0) (= ~A~0.offset 0) (= ~res1~0 0) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 738#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 756#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 2529#(and (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (or (< |thread1Thread1of1ForFork1_~i~0#1| ~N~0) (= ~res2~0 ~res1~0)) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0))) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< (+ |thread3Thread1of1ForFork0_~i~2#1| |thread1Thread1of1ForFork1_~i~0#1|) (+ ~N~0 1)))), Black: 248#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (<= 1 ~M~0)), Black: 2390#(and (<= 0 ~N~0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) ~A~0.offset))), Black: 240#(and (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 722#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 2341#(and (<= |thread1Thread1of1ForFork1_~i~0#1| 0) (= ~A~0.offset 0) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (or (not (= |thread3Thread1of1ForFork0_~i~2#1| 0)) (and (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)))), Black: 714#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 231#(= |thread1Thread1of1ForFork1_~i~0#1| 0), Black: 2517#(and (<= 0 ~M~0) (= ~A~0.offset 0) (<= ~M~0 ~N~0) (= ~res1~0 0) (<= ~N~0 1) (= ~res2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 718#(and (<= |thread3Thread1of1ForFork0_~i~2#1| ~M~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0)) (<= 0 |thread1Thread1of1ForFork1_~i~0#1|)), Black: 233#(<= 1 ~N~0), Black: 2472#(or (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0))), Black: 244#(and (= |thread2Thread1of1ForFork2_~i~1#1| 0) (<= 1 ~N~0) (= |thread1Thread1of1ForFork1_~i~0#1| 0) (<= 1 ~M~0)), Black: 2533#(and (or (< ~N~0 2) (< (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (= ~res2~0 ~res1~0) (or (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)) (= (+ ~res1~0 (select (select |#memory_int#1| ~A~0.base) (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) ~A~0.offset))) (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)))), Black: 742#(and (<= (+ |thread2Thread1of1ForFork2_~i~1#1| |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) ~N~0)), Black: 242#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0))), Black: 1275#(and (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< 0 ~M~0)) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork0_~i~2#1| ~N~0) (< |thread2Thread1of1ForFork2_~i~1#1| ~M~0))), Black: 2527#(and (<= 0 ~N~0) (= ~res1~0 (select (select |#memory_int#1| ~A~0.base) 0)) (= ~A~0.offset 0) (or (= |thread3Thread1of1ForFork0_~i~2#1| 0) (< |thread1Thread1of1ForFork1_~i~0#1| 2)) (<= 0 |thread3Thread1of1ForFork0_~i~2#1|) (<= ~N~0 1) (= ~res2~0 0)), Black: 238#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork0_~i~2#1| 1) (+ ~N~0 ~M~0)) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 2465#(or (= ~res1~0 (+ (select (select |#memory_int#1| ~A~0.base) (+ (* |thread3Thread1of1ForFork0_~i~2#1| 4) ~A~0.offset)) ~res2~0)) (< ~N~0 (+ |thread3Thread1of1ForFork0_~i~2#1| 1)))]) [2024-12-02 13:27:21,898 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2024-12-02 13:27:21,898 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:27:21,898 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:27:21,898 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-12-02 13:27:24,660 INFO L124 PetriNetUnfolderBase]: 56348/83517 cut-off events. [2024-12-02 13:27:24,660 INFO L125 PetriNetUnfolderBase]: For 1885187/1896179 co-relation queries the response was YES. [2024-12-02 13:27:25,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 765283 conditions, 83517 events. 56348/83517 cut-off events. For 1885187/1896179 co-relation queries the response was YES. Maximal size of possible extension queue 4986. Compared 658445 event pairs, 2651 based on Foata normal form. 3558/85950 useless extension candidates. Maximal degree in co-relation 761890. Up to 67341 conditions per place. [2024-12-02 13:27:26,294 INFO L140 encePairwiseOnDemand]: 22/33 looper letters, 2762 selfloop transitions, 280 changer transitions 1/3519 dead transitions. [2024-12-02 13:27:26,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 3519 transitions, 81586 flow [2024-12-02 13:27:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:27:26,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-12-02 13:27:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 170 transitions. [2024-12-02 13:27:26,295 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5151515151515151 [2024-12-02 13:27:26,295 INFO L175 Difference]: Start difference. First operand has 374 places, 3063 transitions, 65917 flow. Second operand 10 states and 170 transitions. [2024-12-02 13:27:26,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 3519 transitions, 81586 flow [2024-12-02 13:28:50,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 3519 transitions, 81286 flow, removed 51 selfloop flow, removed 5 redundant places. [2024-12-02 13:28:50,720 INFO L231 Difference]: Finished difference. Result has 382 places, 3153 transitions, 68663 flow [2024-12-02 13:28:50,722 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=65647, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3063, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=200, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2799, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=68663, PETRI_PLACES=382, PETRI_TRANSITIONS=3153} [2024-12-02 13:28:50,722 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 347 predicate places. [2024-12-02 13:28:50,722 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 3153 transitions, 68663 flow [2024-12-02 13:28:50,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 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 13:28:50,722 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:28:50,722 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:28:50,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 13:28:50,722 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-02 13:28:50,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:28:50,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1894447571, now seen corresponding path program 6 times [2024-12-02 13:28:50,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:28:50,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567488660] [2024-12-02 13:28:50,723 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 13:28:50,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:28:50,736 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-02 13:28:50,736 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:28:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:28:50,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:28:50,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567488660] [2024-12-02 13:28:50,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567488660] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:28:50,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026241881] [2024-12-02 13:28:50,999 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 13:28:50,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:28:50,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:28:51,001 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:28:51,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e977562-b457-4ea8-a0f0-b6a3f910d715/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-02 13:28:51,079 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-02 13:28:51,079 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:28:51,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 13:28:51,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:28:51,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:28:51,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:28:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:28:51,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:28:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 13:28:51,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026241881] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:28:51,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:28:51,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 8] total 21 [2024-12-02 13:28:51,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174171875] [2024-12-02 13:28:51,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:28:51,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 13:28:51,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:28:51,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 13:28:51,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2024-12-02 13:28:51,442 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 33 [2024-12-02 13:28:51,443 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 3153 transitions, 68663 flow. Second operand has 22 states, 22 states have (on average 6.5) internal successors, (143), 22 states have internal predecessors, (143), 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 13:28:51,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:28:51,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 33 [2024-12-02 13:28:51,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:29:46,731 INFO L124 PetriNetUnfolderBase]: 76407/109191 cut-off events. [2024-12-02 13:29:46,731 INFO L125 PetriNetUnfolderBase]: For 2406892/2406892 co-relation queries the response was YES. [2024-12-02 13:29:48,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 992043 conditions, 109191 events. 76407/109191 cut-off events. For 2406892/2406892 co-relation queries the response was YES. Maximal size of possible extension queue 5540. Compared 811622 event pairs, 3110 based on Foata normal form. 1/109192 useless extension candidates. Maximal degree in co-relation 987020. Up to 76070 conditions per place. [2024-12-02 13:29:48,585 INFO L140 encePairwiseOnDemand]: 14/33 looper letters, 2910 selfloop transitions, 1980 changer transitions 1/4892 dead transitions. [2024-12-02 13:29:48,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 4892 transitions, 114840 flow [2024-12-02 13:29:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-02 13:29:48,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-12-02 13:29:48,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 534 transitions. [2024-12-02 13:29:48,587 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3595959595959596 [2024-12-02 13:29:48,587 INFO L175 Difference]: Start difference. First operand has 382 places, 3153 transitions, 68663 flow. Second operand 45 states and 534 transitions. [2024-12-02 13:29:48,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 4892 transitions, 114840 flow