./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe029_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe029_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef851e22a0a98929f1b90876fcac5ec793e10efa4691f239ca948c8dc39b94fd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:18:13,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:18:13,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 03:18:13,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:18:13,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:18:13,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:18:13,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:18:13,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:18:13,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:18:13,255 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:18:13,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:18:13,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:18:13,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:18:13,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:18:13,256 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:18:13,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:18:13,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:18:13,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:18:13,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:18:13,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:18:13,257 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:18:13,257 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:18:13,258 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:18:13,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:18:13,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:18:13,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:18:13,258 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:18:13,259 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:18:13,259 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:18:13,259 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:18:13,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:18:13,259 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:18:13,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:18:13,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:18:13,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:18:13,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:18:13,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:18:13,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:18:13,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:18:13,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:18:13,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:18:13,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:18:13,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:18:13,262 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:18:13,262 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:18:13,262 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:18:13,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:18:13,262 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_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> ef851e22a0a98929f1b90876fcac5ec793e10efa4691f239ca948c8dc39b94fd [2024-11-28 03:18:13,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:18:13,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:18:13,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:18:13,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:18:13,633 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:18:13,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe029_tso.i [2024-11-28 03:18:16,999 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/data/2f1d7a855/8a01d72a73754a33a9979e6b33370dce/FLAG6178f0ac7 [2024-11-28 03:18:17,374 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:18:17,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/sv-benchmarks/c/pthread-wmm/safe029_tso.i [2024-11-28 03:18:17,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/data/2f1d7a855/8a01d72a73754a33a9979e6b33370dce/FLAG6178f0ac7 [2024-11-28 03:18:17,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/data/2f1d7a855/8a01d72a73754a33a9979e6b33370dce [2024-11-28 03:18:17,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:18:17,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:18:17,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:18:17,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:18:17,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:18:17,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:17" (1/1) ... [2024-11-28 03:18:17,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443ace9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:17, skipping insertion in model container [2024-11-28 03:18:17,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:17" (1/1) ... [2024-11-28 03:18:17,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:18:18,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:18:18,033 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:18:18,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:18:18,151 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:18:18,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18 WrapperNode [2024-11-28 03:18:18,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:18:18,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:18:18,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:18:18,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:18:18,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,224 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-28 03:18:18,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:18:18,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:18:18,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:18:18,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:18:18,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,241 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,258 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:18:18,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,263 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:18:18,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:18:18,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:18:18,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:18:18,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (1/1) ... [2024-11-28 03:18:18,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:18:18,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:18:18,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:18:18,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:18:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 03:18:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:18:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 03:18:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 03:18:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 03:18:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 03:18:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:18:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 03:18:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:18:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:18:18,369 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:18:18,519 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:18:18,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:18:18,746 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:18:18,747 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:18:18,874 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:18:18,875 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:18:18,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:18 BoogieIcfgContainer [2024-11-28 03:18:18,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:18:18,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:18:18,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:18:18,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:18:18,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:18:17" (1/3) ... [2024-11-28 03:18:18,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603f956d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:18, skipping insertion in model container [2024-11-28 03:18:18,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:18" (2/3) ... [2024-11-28 03:18:18,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603f956d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:18, skipping insertion in model container [2024-11-28 03:18:18,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:18" (3/3) ... [2024-11-28 03:18:18,890 INFO L128 eAbstractionObserver]: Analyzing ICFG safe029_tso.i [2024-11-28 03:18:18,910 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:18:18,915 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe029_tso.i that has 3 procedures, 33 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 03:18:18,915 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:18:18,989 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:18:19,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 34 transitions, 76 flow [2024-11-28 03:18:19,101 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-28 03:18:19,107 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:18:19,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 32 events. 2/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2024-11-28 03:18:19,113 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 34 transitions, 76 flow [2024-11-28 03:18:19,119 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 31 transitions, 68 flow [2024-11-28 03:18:19,134 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:18:19,160 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=None, 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;@35d5decf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:18:19,160 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 03:18:19,181 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:18:19,181 INFO L124 PetriNetUnfolderBase]: 2/29 cut-off events. [2024-11-28 03:18:19,181 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:18:19,182 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:19,182 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:19,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-28 03:18:19,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:19,193 INFO L85 PathProgramCache]: Analyzing trace with hash -276493731, now seen corresponding path program 1 times [2024-11-28 03:18:19,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:19,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119995290] [2024-11-28 03:18:19,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:19,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:19,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:19,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119995290] [2024-11-28 03:18:19,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119995290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:19,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:19,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:18:19,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323233138] [2024-11-28 03:18:19,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:19,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:19,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:19,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:19,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:18:19,600 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2024-11-28 03:18:19,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 31 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-28 03:18:19,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:19,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2024-11-28 03:18:19,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:19,708 INFO L124 PetriNetUnfolderBase]: 23/91 cut-off events. [2024-11-28 03:18:19,709 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:18:19,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 91 events. 23/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 367 event pairs, 23 based on Foata normal form. 12/95 useless extension candidates. Maximal degree in co-relation 143. Up to 52 conditions per place. [2024-11-28 03:18:19,712 INFO L140 encePairwiseOnDemand]: 30/34 looper letters, 9 selfloop transitions, 1 changer transitions 1/27 dead transitions. [2024-11-28 03:18:19,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 27 transitions, 82 flow [2024-11-28 03:18:19,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:18:19,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:18:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2024-11-28 03:18:19,731 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-28 03:18:19,734 INFO L175 Difference]: Start difference. First operand has 36 places, 31 transitions, 68 flow. Second operand 3 states and 68 transitions. [2024-11-28 03:18:19,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 27 transitions, 82 flow [2024-11-28 03:18:19,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:18:19,743 INFO L231 Difference]: Finished difference. Result has 34 places, 26 transitions, 58 flow [2024-11-28 03:18:19,746 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2024-11-28 03:18:19,750 INFO L279 CegarLoopForPetriNet]: 36 programPoint places, -2 predicate places. [2024-11-28 03:18:19,750 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 58 flow [2024-11-28 03:18:19,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-28 03:18:19,751 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:19,751 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:19,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:18:19,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-28 03:18:19,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:19,755 INFO L85 PathProgramCache]: Analyzing trace with hash -276492484, now seen corresponding path program 1 times [2024-11-28 03:18:19,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:19,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027604235] [2024-11-28 03:18:19,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:19,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:20,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:20,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:20,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027604235] [2024-11-28 03:18:20,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027604235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:20,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:20,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:18:20,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763224824] [2024-11-28 03:18:20,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:20,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:18:20,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:20,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:18:20,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:18:20,246 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 34 [2024-11-28 03:18:20,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 58 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2024-11-28 03:18:20,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:20,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 34 [2024-11-28 03:18:20,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:20,509 INFO L124 PetriNetUnfolderBase]: 100/274 cut-off events. [2024-11-28 03:18:20,509 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:18:20,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 274 events. 100/274 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1457 event pairs, 36 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 473. Up to 115 conditions per place. [2024-11-28 03:18:20,515 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 16 selfloop transitions, 3 changer transitions 22/53 dead transitions. [2024-11-28 03:18:20,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 53 transitions, 196 flow [2024-11-28 03:18:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:18:20,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 03:18:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 163 transitions. [2024-11-28 03:18:20,517 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5992647058823529 [2024-11-28 03:18:20,518 INFO L175 Difference]: Start difference. First operand has 34 places, 26 transitions, 58 flow. Second operand 8 states and 163 transitions. [2024-11-28 03:18:20,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 53 transitions, 196 flow [2024-11-28 03:18:20,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 53 transitions, 195 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:18:20,523 INFO L231 Difference]: Finished difference. Result has 44 places, 27 transitions, 90 flow [2024-11-28 03:18:20,523 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=90, PETRI_PLACES=44, PETRI_TRANSITIONS=27} [2024-11-28 03:18:20,524 INFO L279 CegarLoopForPetriNet]: 36 programPoint places, 8 predicate places. [2024-11-28 03:18:20,524 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 27 transitions, 90 flow [2024-11-28 03:18:20,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2024-11-28 03:18:20,525 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:20,525 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:20,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:18:20,526 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-28 03:18:20,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:20,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1808696859, now seen corresponding path program 1 times [2024-11-28 03:18:20,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:20,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208623657] [2024-11-28 03:18:20,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:20,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:20,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:20,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:20,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208623657] [2024-11-28 03:18:20,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208623657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:20,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:20,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:18:20,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21250449] [2024-11-28 03:18:20,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:20,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:18:20,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:20,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:18:20,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:18:20,873 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 34 [2024-11-28 03:18:20,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 27 transitions, 90 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2024-11-28 03:18:20,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:20,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 34 [2024-11-28 03:18:20,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:21,097 INFO L124 PetriNetUnfolderBase]: 111/302 cut-off events. [2024-11-28 03:18:21,097 INFO L125 PetriNetUnfolderBase]: For 197/197 co-relation queries the response was YES. [2024-11-28 03:18:21,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 302 events. 111/302 cut-off events. For 197/197 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1613 event pairs, 49 based on Foata normal form. 12/305 useless extension candidates. Maximal degree in co-relation 682. Up to 144 conditions per place. [2024-11-28 03:18:21,102 INFO L140 encePairwiseOnDemand]: 28/34 looper letters, 16 selfloop transitions, 3 changer transitions 15/48 dead transitions. [2024-11-28 03:18:21,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 48 transitions, 212 flow [2024-11-28 03:18:21,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:18:21,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 03:18:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 141 transitions. [2024-11-28 03:18:21,104 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.592436974789916 [2024-11-28 03:18:21,105 INFO L175 Difference]: Start difference. First operand has 44 places, 27 transitions, 90 flow. Second operand 7 states and 141 transitions. [2024-11-28 03:18:21,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 48 transitions, 212 flow [2024-11-28 03:18:21,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 48 transitions, 201 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-28 03:18:21,109 INFO L231 Difference]: Finished difference. Result has 46 places, 29 transitions, 118 flow [2024-11-28 03:18:21,110 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=118, PETRI_PLACES=46, PETRI_TRANSITIONS=29} [2024-11-28 03:18:21,110 INFO L279 CegarLoopForPetriNet]: 36 programPoint places, 10 predicate places. [2024-11-28 03:18:21,111 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 29 transitions, 118 flow [2024-11-28 03:18:21,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2024-11-28 03:18:21,111 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:21,111 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:21,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:18:21,112 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-28 03:18:21,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:21,113 INFO L85 PathProgramCache]: Analyzing trace with hash 732482157, now seen corresponding path program 1 times [2024-11-28 03:18:21,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:21,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362173982] [2024-11-28 03:18:21,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:21,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:21,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:21,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:21,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362173982] [2024-11-28 03:18:21,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362173982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:21,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:21,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:18:21,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608943844] [2024-11-28 03:18:21,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:21,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:18:21,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:21,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:18:21,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:18:21,385 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 34 [2024-11-28 03:18:21,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 29 transitions, 118 flow. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-28 03:18:21,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:21,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 34 [2024-11-28 03:18:21,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:21,621 INFO L124 PetriNetUnfolderBase]: 123/354 cut-off events. [2024-11-28 03:18:21,623 INFO L125 PetriNetUnfolderBase]: For 472/474 co-relation queries the response was YES. [2024-11-28 03:18:21,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 966 conditions, 354 events. 123/354 cut-off events. For 472/474 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2178 event pairs, 41 based on Foata normal form. 14/353 useless extension candidates. Maximal degree in co-relation 950. Up to 102 conditions per place. [2024-11-28 03:18:21,628 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 20 selfloop transitions, 3 changer transitions 13/50 dead transitions. [2024-11-28 03:18:21,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 50 transitions, 274 flow [2024-11-28 03:18:21,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:18:21,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 03:18:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 142 transitions. [2024-11-28 03:18:21,633 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5966386554621849 [2024-11-28 03:18:21,634 INFO L175 Difference]: Start difference. First operand has 46 places, 29 transitions, 118 flow. Second operand 7 states and 142 transitions. [2024-11-28 03:18:21,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 50 transitions, 274 flow [2024-11-28 03:18:21,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 50 transitions, 253 flow, removed 9 selfloop flow, removed 3 redundant places. [2024-11-28 03:18:21,642 INFO L231 Difference]: Finished difference. Result has 50 places, 29 transitions, 128 flow [2024-11-28 03:18:21,646 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=128, PETRI_PLACES=50, PETRI_TRANSITIONS=29} [2024-11-28 03:18:21,647 INFO L279 CegarLoopForPetriNet]: 36 programPoint places, 14 predicate places. [2024-11-28 03:18:21,647 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 29 transitions, 128 flow [2024-11-28 03:18:21,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-28 03:18:21,647 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:21,647 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:21,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:18:21,647 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-28 03:18:21,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:21,648 INFO L85 PathProgramCache]: Analyzing trace with hash -331737433, now seen corresponding path program 1 times [2024-11-28 03:18:21,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:21,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108138770] [2024-11-28 03:18:21,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:21,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:21,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:21,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108138770] [2024-11-28 03:18:21,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108138770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:21,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:21,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:18:21,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597092925] [2024-11-28 03:18:21,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:21,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:18:21,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:21,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:18:21,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:18:21,858 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 34 [2024-11-28 03:18:21,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 29 transitions, 128 flow. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-28 03:18:21,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:21,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 34 [2024-11-28 03:18:21,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:22,110 INFO L124 PetriNetUnfolderBase]: 141/424 cut-off events. [2024-11-28 03:18:22,110 INFO L125 PetriNetUnfolderBase]: For 986/999 co-relation queries the response was YES. [2024-11-28 03:18:22,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1214 conditions, 424 events. 141/424 cut-off events. For 986/999 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2864 event pairs, 48 based on Foata normal form. 18/423 useless extension candidates. Maximal degree in co-relation 1195. Up to 122 conditions per place. [2024-11-28 03:18:22,115 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 18 selfloop transitions, 3 changer transitions 13/48 dead transitions. [2024-11-28 03:18:22,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 48 transitions, 284 flow [2024-11-28 03:18:22,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:18:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 03:18:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 140 transitions. [2024-11-28 03:18:22,119 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5882352941176471 [2024-11-28 03:18:22,119 INFO L175 Difference]: Start difference. First operand has 50 places, 29 transitions, 128 flow. Second operand 7 states and 140 transitions. [2024-11-28 03:18:22,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 48 transitions, 284 flow [2024-11-28 03:18:22,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 48 transitions, 247 flow, removed 17 selfloop flow, removed 5 redundant places. [2024-11-28 03:18:22,130 INFO L231 Difference]: Finished difference. Result has 52 places, 29 transitions, 130 flow [2024-11-28 03:18:22,130 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=130, PETRI_PLACES=52, PETRI_TRANSITIONS=29} [2024-11-28 03:18:22,133 INFO L279 CegarLoopForPetriNet]: 36 programPoint places, 16 predicate places. [2024-11-28 03:18:22,133 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 29 transitions, 130 flow [2024-11-28 03:18:22,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-28 03:18:22,133 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:22,134 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:22,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:18:22,136 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-28 03:18:22,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:22,136 INFO L85 PathProgramCache]: Analyzing trace with hash 257647644, now seen corresponding path program 1 times [2024-11-28 03:18:22,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:22,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541921434] [2024-11-28 03:18:22,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:22,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:22,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:22,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541921434] [2024-11-28 03:18:22,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541921434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:22,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:22,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:22,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9856420] [2024-11-28 03:18:22,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:22,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:18:22,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:22,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:18:22,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:18:22,332 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 34 [2024-11-28 03:18:22,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 29 transitions, 130 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-28 03:18:22,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:22,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 34 [2024-11-28 03:18:22,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:22,458 INFO L124 PetriNetUnfolderBase]: 168/424 cut-off events. [2024-11-28 03:18:22,459 INFO L125 PetriNetUnfolderBase]: For 401/407 co-relation queries the response was YES. [2024-11-28 03:18:22,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 999 conditions, 424 events. 168/424 cut-off events. For 401/407 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2312 event pairs, 42 based on Foata normal form. 25/431 useless extension candidates. Maximal degree in co-relation 979. Up to 185 conditions per place. [2024-11-28 03:18:22,462 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 16 selfloop transitions, 4 changer transitions 3/39 dead transitions. [2024-11-28 03:18:22,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 39 transitions, 198 flow [2024-11-28 03:18:22,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:18:22,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:18:22,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2024-11-28 03:18:22,464 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6544117647058824 [2024-11-28 03:18:22,464 INFO L175 Difference]: Start difference. First operand has 52 places, 29 transitions, 130 flow. Second operand 4 states and 89 transitions. [2024-11-28 03:18:22,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 39 transitions, 198 flow [2024-11-28 03:18:22,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 39 transitions, 183 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-11-28 03:18:22,470 INFO L231 Difference]: Finished difference. Result has 48 places, 31 transitions, 141 flow [2024-11-28 03:18:22,471 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=141, PETRI_PLACES=48, PETRI_TRANSITIONS=31} [2024-11-28 03:18:22,471 INFO L279 CegarLoopForPetriNet]: 36 programPoint places, 12 predicate places. [2024-11-28 03:18:22,473 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 31 transitions, 141 flow [2024-11-28 03:18:22,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-28 03:18:22,474 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:22,474 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] [2024-11-28 03:18:22,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:18:22,474 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-28 03:18:22,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:22,475 INFO L85 PathProgramCache]: Analyzing trace with hash -661677503, now seen corresponding path program 1 times [2024-11-28 03:18:22,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:22,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277198974] [2024-11-28 03:18:22,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:22,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:22,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:22,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277198974] [2024-11-28 03:18:22,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277198974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:22,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:22,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:18:22,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058053239] [2024-11-28 03:18:22,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:22,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:18:22,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:22,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:18:22,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:18:22,654 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 34 [2024-11-28 03:18:22,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 31 transitions, 141 flow. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2024-11-28 03:18:22,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:22,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 34 [2024-11-28 03:18:22,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:22,771 INFO L124 PetriNetUnfolderBase]: 94/229 cut-off events. [2024-11-28 03:18:22,771 INFO L125 PetriNetUnfolderBase]: For 138/158 co-relation queries the response was YES. [2024-11-28 03:18:22,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 229 events. 94/229 cut-off events. For 138/158 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1010 event pairs, 6 based on Foata normal form. 28/245 useless extension candidates. Maximal degree in co-relation 594. Up to 84 conditions per place. [2024-11-28 03:18:22,772 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 0 selfloop transitions, 0 changer transitions 35/35 dead transitions. [2024-11-28 03:18:22,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 35 transitions, 182 flow [2024-11-28 03:18:22,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:18:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:18:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 104 transitions. [2024-11-28 03:18:22,774 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.611764705882353 [2024-11-28 03:18:22,774 INFO L175 Difference]: Start difference. First operand has 48 places, 31 transitions, 141 flow. Second operand 5 states and 104 transitions. [2024-11-28 03:18:22,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 35 transitions, 182 flow [2024-11-28 03:18:22,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 35 transitions, 159 flow, removed 5 selfloop flow, removed 8 redundant places. [2024-11-28 03:18:22,776 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2024-11-28 03:18:22,776 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2024-11-28 03:18:22,777 INFO L279 CegarLoopForPetriNet]: 36 programPoint places, 3 predicate places. [2024-11-28 03:18:22,777 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2024-11-28 03:18:22,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2024-11-28 03:18:22,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-28 03:18:22,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-28 03:18:22,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-28 03:18:22,786 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-28 03:18:22,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:18:22,787 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:22,791 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:18:22,794 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:18:22,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:18:22 BasicIcfg [2024-11-28 03:18:22,802 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:18:22,803 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:18:22,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:18:22,803 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:18:22,804 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:18" (3/4) ... [2024-11-28 03:18:22,806 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:18:22,810 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-28 03:18:22,810 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-28 03:18:22,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-11-28 03:18:22,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-28 03:18:22,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:18:22,818 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 03:18:22,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:18:22,915 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:18:22,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:18:22,916 INFO L158 Benchmark]: Toolchain (without parser) took 5502.02ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 35.9MB in the end (delta: 55.5MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2024-11-28 03:18:22,917 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 74.1MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:18:22,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.84ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.2MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:18:22,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.90ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:18:22,919 INFO L158 Benchmark]: Boogie Preprocessor took 45.47ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:18:22,919 INFO L158 Benchmark]: RCFGBuilder took 604.23ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 52.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:18:22,921 INFO L158 Benchmark]: TraceAbstraction took 3923.06ms. Allocated memory is still 117.4MB. Free memory was 51.5MB in the beginning and 40.2MB in the end (delta: 11.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-11-28 03:18:22,921 INFO L158 Benchmark]: Witness Printer took 112.20ms. Allocated memory is still 117.4MB. Free memory was 40.2MB in the beginning and 35.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:18:22,924 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 74.1MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.84ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.2MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.90ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.47ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 604.23ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 52.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3923.06ms. Allocated memory is still 117.4MB. Free memory was 51.5MB in the beginning and 40.2MB in the end (delta: 11.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Witness Printer took 112.20ms. Allocated memory is still 117.4MB. Free memory was 40.2MB in the beginning and 35.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 754]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 49 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 368 IncrementalHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 16 mSDtfsCounter, 368 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=6, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:18:22,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdef61e0-a719-4777-8c2b-d7a8cadc6750/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE