./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe034_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe034_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd --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 f95cec1ef19619129f583fb8c66d7deea9b3c11be41d52b59a1e2cd5f199d72e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:49:54,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:49:54,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-13 12:49:54,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:49:54,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:49:54,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:49:54,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:49:54,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:49:54,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:49:54,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:49:54,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:49:54,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:49:54,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:49:54,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:49:54,210 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:49:54,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:49:54,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:49:54,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:49:54,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:49:54,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:49:54,211 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 12:49:54,211 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 12:49:54,211 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 12:49:54,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:49:54,212 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 12:49:54,212 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:49:54,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:49:54,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:49:54,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:49:54,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:49:54,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:49:54,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:49:54,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:49:54,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:49:54,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:49:54,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:49:54,213 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:49:54,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:49:54,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:49:54,214 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:49:54,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:49:54,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:49:54,214 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_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd 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 -> f95cec1ef19619129f583fb8c66d7deea9b3c11be41d52b59a1e2cd5f199d72e [2024-11-13 12:49:54,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:49:54,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:49:54,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:49:54,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:49:54,506 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:49:54,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-wmm/safe034_tso.i Unable to find full path for "g++" [2024-11-13 12:49:56,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:49:56,926 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:49:56,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/sv-benchmarks/c/pthread-wmm/safe034_tso.i [2024-11-13 12:49:56,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/data/4873cf933/9d5baf2ccafc405caaba3e3cb3b624ea/FLAG8f2267639 [2024-11-13 12:49:56,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/data/4873cf933/9d5baf2ccafc405caaba3e3cb3b624ea [2024-11-13 12:49:56,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:49:56,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:49:56,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:49:56,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:49:56,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:49:56,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:49:56" (1/1) ... [2024-11-13 12:49:56,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf6304f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:56, skipping insertion in model container [2024-11-13 12:49:56,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:49:56" (1/1) ... [2024-11-13 12:49:57,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:49:57,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:49:57,571 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:49:57,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:49:57,698 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:49:57,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57 WrapperNode [2024-11-13 12:49:57,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:49:57,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:49:57,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:49:57,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:49:57,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,756 INFO L138 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-13 12:49:57,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:49:57,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:49:57,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:49:57,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:49:57,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,795 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]. [2024-11-13 12:49:57,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:49:57,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:49:57,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:49:57,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:49:57,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (1/1) ... [2024-11-13 12:49:57,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:49:57,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:49:57,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:49:57,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:49:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 12:49:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:49:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-13 12:49:57,890 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-13 12:49:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-13 12:49:57,891 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-13 12:49:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-13 12:49:57,891 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-13 12:49:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:49:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 12:49:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:49:57,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:49:57,893 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 12:49:58,074 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:49:58,076 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:49:58,279 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:49:58,279 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:49:58,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:49:58,383 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 12:49:58,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:49:58 BoogieIcfgContainer [2024-11-13 12:49:58,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:49:58,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:49:58,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:49:58,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:49:58,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:49:56" (1/3) ... [2024-11-13 12:49:58,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b97358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:49:58, skipping insertion in model container [2024-11-13 12:49:58,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:49:57" (2/3) ... [2024-11-13 12:49:58,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b97358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:49:58, skipping insertion in model container [2024-11-13 12:49:58,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:49:58" (3/3) ... [2024-11-13 12:49:58,396 INFO L112 eAbstractionObserver]: Analyzing ICFG safe034_tso.i [2024-11-13 12:49:58,413 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:49:58,415 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG safe034_tso.i that has 4 procedures, 44 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 12:49:58,415 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:49:58,494 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 12:49:58,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 102 flow [2024-11-13 12:49:58,579 INFO L124 PetriNetUnfolderBase]: 2/42 cut-off events. [2024-11-13 12:49:58,585 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 12:49:58,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 2/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2024-11-13 12:49:58,590 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 45 transitions, 102 flow [2024-11-13 12:49:58,595 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 41 transitions, 91 flow [2024-11-13 12:49:58,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:49:58,625 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;@3c7d2edc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:49:58,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-13 12:49:58,677 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 12:49:58,677 INFO L124 PetriNetUnfolderBase]: 2/39 cut-off events. [2024-11-13 12:49:58,677 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 12:49:58,679 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:49:58,680 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:49:58,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 12:49:58,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:49:58,685 INFO L85 PathProgramCache]: Analyzing trace with hash -2120482355, now seen corresponding path program 1 times [2024-11-13 12:49:58,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:49:58,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685735096] [2024-11-13 12:49:58,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:49:58,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:49:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:49:58,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:49:58,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685735096] [2024-11-13 12:49:58,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685735096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:49:58,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:49:58,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 12:49:58,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310296984] [2024-11-13 12:49:58,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:49:58,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:49:58,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:49:59,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:49:59,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:49:59,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 45 [2024-11-13 12:49:59,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2024-11-13 12:49:59,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:49:59,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 45 [2024-11-13 12:49:59,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:49:59,117 INFO L124 PetriNetUnfolderBase]: 75/222 cut-off events. [2024-11-13 12:49:59,118 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 12:49:59,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 222 events. 75/222 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1222 event pairs, 75 based on Foata normal form. 24/225 useless extension candidates. Maximal degree in co-relation 366. Up to 136 conditions per place. [2024-11-13 12:49:59,122 INFO L140 encePairwiseOnDemand]: 41/45 looper letters, 12 selfloop transitions, 1 changer transitions 1/37 dead transitions. [2024-11-13 12:49:59,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 37 transitions, 111 flow [2024-11-13 12:49:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:49:59,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:49:59,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 95 transitions. [2024-11-13 12:49:59,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7037037037037037 [2024-11-13 12:49:59,136 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 91 flow. Second operand 3 states and 95 transitions. [2024-11-13 12:49:59,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 37 transitions, 111 flow [2024-11-13 12:49:59,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 37 transitions, 108 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 12:49:59,144 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 80 flow [2024-11-13 12:49:59,146 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-11-13 12:49:59,150 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2024-11-13 12:49:59,150 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 80 flow [2024-11-13 12:49:59,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2024-11-13 12:49:59,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:49:59,151 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:49:59,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:49:59,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 12:49:59,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:49:59,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2120480895, now seen corresponding path program 1 times [2024-11-13 12:49:59,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:49:59,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094819176] [2024-11-13 12:49:59,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:49:59,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:49:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:49:59,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:49:59,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094819176] [2024-11-13 12:49:59,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094819176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:49:59,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:49:59,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:49:59,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68721807] [2024-11-13 12:49:59,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:49:59,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:49:59,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:49:59,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:49:59,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:49:59,711 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 45 [2024-11-13 12:49:59,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 80 flow. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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) [2024-11-13 12:49:59,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:49:59,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 45 [2024-11-13 12:49:59,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:00,404 INFO L124 PetriNetUnfolderBase]: 1056/2064 cut-off events. [2024-11-13 12:50:00,409 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 12:50:00,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3759 conditions, 2064 events. 1056/2064 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 14611 event pairs, 278 based on Foata normal form. 0/1988 useless extension candidates. Maximal degree in co-relation 3753. Up to 684 conditions per place. [2024-11-13 12:50:00,431 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 28 selfloop transitions, 5 changer transitions 48/98 dead transitions. [2024-11-13 12:50:00,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 98 transitions, 370 flow [2024-11-13 12:50:00,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:50:00,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-13 12:50:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 272 transitions. [2024-11-13 12:50:00,434 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.671604938271605 [2024-11-13 12:50:00,434 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 80 flow. Second operand 9 states and 272 transitions. [2024-11-13 12:50:00,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 98 transitions, 370 flow [2024-11-13 12:50:00,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 98 transitions, 369 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 12:50:00,438 INFO L231 Difference]: Finished difference. Result has 60 places, 39 transitions, 147 flow [2024-11-13 12:50:00,438 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=147, PETRI_PLACES=60, PETRI_TRANSITIONS=39} [2024-11-13 12:50:00,439 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 11 predicate places. [2024-11-13 12:50:00,439 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 39 transitions, 147 flow [2024-11-13 12:50:00,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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) [2024-11-13 12:50:00,439 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:00,439 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:50:00,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:50:00,440 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 12:50:00,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash -354635488, now seen corresponding path program 1 times [2024-11-13 12:50:00,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:00,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151716199] [2024-11-13 12:50:00,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:00,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:00,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:00,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151716199] [2024-11-13 12:50:00,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151716199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:00,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:00,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:50:00,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330667910] [2024-11-13 12:50:00,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:00,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:50:00,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:00,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:50:00,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:50:00,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 45 [2024-11-13 12:50:00,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 39 transitions, 147 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-11-13 12:50:00,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:00,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 45 [2024-11-13 12:50:00,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:01,108 INFO L124 PetriNetUnfolderBase]: 1107/2221 cut-off events. [2024-11-13 12:50:01,110 INFO L125 PetriNetUnfolderBase]: For 1034/1040 co-relation queries the response was YES. [2024-11-13 12:50:01,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4912 conditions, 2221 events. 1107/2221 cut-off events. For 1034/1040 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 15824 event pairs, 272 based on Foata normal form. 89/2175 useless extension candidates. Maximal degree in co-relation 4897. Up to 1031 conditions per place. [2024-11-13 12:50:01,134 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 27 selfloop transitions, 5 changer transitions 0/54 dead transitions. [2024-11-13 12:50:01,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 54 transitions, 245 flow [2024-11-13 12:50:01,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:50:01,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 12:50:01,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-11-13 12:50:01,136 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7 [2024-11-13 12:50:01,136 INFO L175 Difference]: Start difference. First operand has 60 places, 39 transitions, 147 flow. Second operand 4 states and 126 transitions. [2024-11-13 12:50:01,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 54 transitions, 245 flow [2024-11-13 12:50:01,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 54 transitions, 223 flow, removed 6 selfloop flow, removed 4 redundant places. [2024-11-13 12:50:01,156 INFO L231 Difference]: Finished difference. Result has 54 places, 43 transitions, 163 flow [2024-11-13 12:50:01,156 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=163, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2024-11-13 12:50:01,157 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 5 predicate places. [2024-11-13 12:50:01,158 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 163 flow [2024-11-13 12:50:01,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-11-13 12:50:01,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:01,158 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:50:01,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:50:01,158 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 12:50:01,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:01,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1521127168, now seen corresponding path program 1 times [2024-11-13 12:50:01,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:01,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174491152] [2024-11-13 12:50:01,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:01,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:01,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:01,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174491152] [2024-11-13 12:50:01,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174491152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:01,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:01,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:50:01,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949795662] [2024-11-13 12:50:01,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:01,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:50:01,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:01,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:50:01,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:50:01,400 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 45 [2024-11-13 12:50:01,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 163 flow. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 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) [2024-11-13 12:50:01,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:01,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 45 [2024-11-13 12:50:01,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:01,740 INFO L124 PetriNetUnfolderBase]: 788/1590 cut-off events. [2024-11-13 12:50:01,741 INFO L125 PetriNetUnfolderBase]: For 758/1357 co-relation queries the response was YES. [2024-11-13 12:50:01,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3962 conditions, 1590 events. 788/1590 cut-off events. For 758/1357 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 10292 event pairs, 76 based on Foata normal form. 100/1597 useless extension candidates. Maximal degree in co-relation 3947. Up to 592 conditions per place. [2024-11-13 12:50:01,757 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 34 selfloop transitions, 8 changer transitions 0/64 dead transitions. [2024-11-13 12:50:01,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 64 transitions, 310 flow [2024-11-13 12:50:01,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:50:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 12:50:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 159 transitions. [2024-11-13 12:50:01,761 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7066666666666667 [2024-11-13 12:50:01,761 INFO L175 Difference]: Start difference. First operand has 54 places, 43 transitions, 163 flow. Second operand 5 states and 159 transitions. [2024-11-13 12:50:01,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 64 transitions, 310 flow [2024-11-13 12:50:01,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 64 transitions, 303 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-13 12:50:01,767 INFO L231 Difference]: Finished difference. Result has 57 places, 47 transitions, 211 flow [2024-11-13 12:50:01,767 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=211, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2024-11-13 12:50:01,768 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 8 predicate places. [2024-11-13 12:50:01,769 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 211 flow [2024-11-13 12:50:01,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 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) [2024-11-13 12:50:01,770 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:01,770 INFO L204 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] [2024-11-13 12:50:01,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:50:01,772 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 12:50:01,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:01,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1524135674, now seen corresponding path program 1 times [2024-11-13 12:50:01,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:01,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090684905] [2024-11-13 12:50:01,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:01,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:02,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:02,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090684905] [2024-11-13 12:50:02,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090684905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:02,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:02,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:50:02,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333116395] [2024-11-13 12:50:02,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:02,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:50:02,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:02,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:50:02,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:50:02,028 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 45 [2024-11-13 12:50:02,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 211 flow. Second operand has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 6 states have internal predecessors, (151), 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) [2024-11-13 12:50:02,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:02,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 45 [2024-11-13 12:50:02,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:02,338 INFO L124 PetriNetUnfolderBase]: 572/1118 cut-off events. [2024-11-13 12:50:02,338 INFO L125 PetriNetUnfolderBase]: For 1858/2969 co-relation queries the response was YES. [2024-11-13 12:50:02,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3442 conditions, 1118 events. 572/1118 cut-off events. For 1858/2969 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 6483 event pairs, 36 based on Foata normal form. 92/1129 useless extension candidates. Maximal degree in co-relation 3426. Up to 464 conditions per place. [2024-11-13 12:50:02,348 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 31 selfloop transitions, 11 changer transitions 2/66 dead transitions. [2024-11-13 12:50:02,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 66 transitions, 348 flow [2024-11-13 12:50:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:50:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 12:50:02,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 184 transitions. [2024-11-13 12:50:02,350 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6814814814814815 [2024-11-13 12:50:02,350 INFO L175 Difference]: Start difference. First operand has 57 places, 47 transitions, 211 flow. Second operand 6 states and 184 transitions. [2024-11-13 12:50:02,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 66 transitions, 348 flow [2024-11-13 12:50:02,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 66 transitions, 327 flow, removed 7 selfloop flow, removed 2 redundant places. [2024-11-13 12:50:02,355 INFO L231 Difference]: Finished difference. Result has 62 places, 48 transitions, 235 flow [2024-11-13 12:50:02,355 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=235, PETRI_PLACES=62, PETRI_TRANSITIONS=48} [2024-11-13 12:50:02,356 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 13 predicate places. [2024-11-13 12:50:02,356 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 48 transitions, 235 flow [2024-11-13 12:50:02,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 6 states have internal predecessors, (151), 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) [2024-11-13 12:50:02,356 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:02,357 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:50:02,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 12:50:02,357 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 12:50:02,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:02,358 INFO L85 PathProgramCache]: Analyzing trace with hash -783346715, now seen corresponding path program 1 times [2024-11-13 12:50:02,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:02,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974827607] [2024-11-13 12:50:02,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:02,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:02,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:02,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:02,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974827607] [2024-11-13 12:50:02,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974827607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:02,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:02,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 12:50:02,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316184721] [2024-11-13 12:50:02,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:02,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:50:02,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:02,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:50:02,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:50:02,620 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 45 [2024-11-13 12:50:02,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 48 transitions, 235 flow. Second operand has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 6 states have internal predecessors, (151), 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) [2024-11-13 12:50:02,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:02,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 45 [2024-11-13 12:50:02,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:03,075 INFO L124 PetriNetUnfolderBase]: 734/1722 cut-off events. [2024-11-13 12:50:03,075 INFO L125 PetriNetUnfolderBase]: For 2920/3156 co-relation queries the response was YES. [2024-11-13 12:50:03,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4856 conditions, 1722 events. 734/1722 cut-off events. For 2920/3156 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 13086 event pairs, 183 based on Foata normal form. 39/1521 useless extension candidates. Maximal degree in co-relation 4838. Up to 461 conditions per place. [2024-11-13 12:50:03,089 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 21 selfloop transitions, 1 changer transitions 18/70 dead transitions. [2024-11-13 12:50:03,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 70 transitions, 383 flow [2024-11-13 12:50:03,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:50:03,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 12:50:03,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 176 transitions. [2024-11-13 12:50:03,091 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6518518518518519 [2024-11-13 12:50:03,091 INFO L175 Difference]: Start difference. First operand has 62 places, 48 transitions, 235 flow. Second operand 6 states and 176 transitions. [2024-11-13 12:50:03,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 70 transitions, 383 flow [2024-11-13 12:50:03,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 70 transitions, 347 flow, removed 12 selfloop flow, removed 5 redundant places. [2024-11-13 12:50:03,106 INFO L231 Difference]: Finished difference. Result has 66 places, 47 transitions, 212 flow [2024-11-13 12:50:03,106 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=212, PETRI_PLACES=66, PETRI_TRANSITIONS=47} [2024-11-13 12:50:03,107 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 17 predicate places. [2024-11-13 12:50:03,107 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 47 transitions, 212 flow [2024-11-13 12:50:03,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 6 states have internal predecessors, (151), 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) [2024-11-13 12:50:03,108 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:03,108 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:50:03,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 12:50:03,108 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 12:50:03,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:03,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1554887403, now seen corresponding path program 2 times [2024-11-13 12:50:03,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:03,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917906207] [2024-11-13 12:50:03,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:03,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:03,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:03,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917906207] [2024-11-13 12:50:03,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917906207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:03,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:03,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:50:03,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675131759] [2024-11-13 12:50:03,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:03,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:50:03,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:03,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:50:03,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:50:03,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 45 [2024-11-13 12:50:03,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 47 transitions, 212 flow. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 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) [2024-11-13 12:50:03,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:03,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 45 [2024-11-13 12:50:03,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:03,588 INFO L124 PetriNetUnfolderBase]: 475/1242 cut-off events. [2024-11-13 12:50:03,588 INFO L125 PetriNetUnfolderBase]: For 1195/1275 co-relation queries the response was YES. [2024-11-13 12:50:03,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3251 conditions, 1242 events. 475/1242 cut-off events. For 1195/1275 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 9350 event pairs, 175 based on Foata normal form. 13/1079 useless extension candidates. Maximal degree in co-relation 3232. Up to 383 conditions per place. [2024-11-13 12:50:03,596 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 16 selfloop transitions, 2 changer transitions 14/61 dead transitions. [2024-11-13 12:50:03,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 61 transitions, 322 flow [2024-11-13 12:50:03,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:50:03,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 12:50:03,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 146 transitions. [2024-11-13 12:50:03,597 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6488888888888888 [2024-11-13 12:50:03,598 INFO L175 Difference]: Start difference. First operand has 66 places, 47 transitions, 212 flow. Second operand 5 states and 146 transitions. [2024-11-13 12:50:03,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 61 transitions, 322 flow [2024-11-13 12:50:03,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 61 transitions, 311 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-13 12:50:03,604 INFO L231 Difference]: Finished difference. Result has 66 places, 45 transitions, 207 flow [2024-11-13 12:50:03,604 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=207, PETRI_PLACES=66, PETRI_TRANSITIONS=45} [2024-11-13 12:50:03,605 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 17 predicate places. [2024-11-13 12:50:03,605 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 45 transitions, 207 flow [2024-11-13 12:50:03,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 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) [2024-11-13 12:50:03,605 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:50:03,605 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:50:03,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 12:50:03,606 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 12:50:03,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:03,606 INFO L85 PathProgramCache]: Analyzing trace with hash 296139745, now seen corresponding path program 3 times [2024-11-13 12:50:03,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:03,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124705152] [2024-11-13 12:50:03,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:03,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:03,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:03,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:50:03,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124705152] [2024-11-13 12:50:03,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124705152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:50:03,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:50:03,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 12:50:03,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693991630] [2024-11-13 12:50:03,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:50:03,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:50:03,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:50:03,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:50:03,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:50:03,845 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 45 [2024-11-13 12:50:03,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 45 transitions, 207 flow. Second operand has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 6 states have internal predecessors, (151), 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) [2024-11-13 12:50:03,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:50:03,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 45 [2024-11-13 12:50:03,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:50:04,029 INFO L124 PetriNetUnfolderBase]: 206/484 cut-off events. [2024-11-13 12:50:04,030 INFO L125 PetriNetUnfolderBase]: For 560/629 co-relation queries the response was YES. [2024-11-13 12:50:04,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1279 conditions, 484 events. 206/484 cut-off events. For 560/629 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2703 event pairs, 58 based on Foata normal form. 14/420 useless extension candidates. Maximal degree in co-relation 1265. Up to 211 conditions per place. [2024-11-13 12:50:04,033 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 0 selfloop transitions, 0 changer transitions 55/55 dead transitions. [2024-11-13 12:50:04,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 55 transitions, 285 flow [2024-11-13 12:50:04,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:50:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 12:50:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 167 transitions. [2024-11-13 12:50:04,035 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6185185185185185 [2024-11-13 12:50:04,035 INFO L175 Difference]: Start difference. First operand has 66 places, 45 transitions, 207 flow. Second operand 6 states and 167 transitions. [2024-11-13 12:50:04,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 55 transitions, 285 flow [2024-11-13 12:50:04,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 55 transitions, 275 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-13 12:50:04,039 INFO L231 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2024-11-13 12:50:04,039 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2024-11-13 12:50:04,039 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 14 predicate places. [2024-11-13 12:50:04,040 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow [2024-11-13 12:50:04,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 6 states have internal predecessors, (151), 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) [2024-11-13 12:50:04,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-13 12:50:04,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-13 12:50:04,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-13 12:50:04,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-13 12:50:04,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-13 12:50:04,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 12:50:04,044 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-11-13 12:50:04,051 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 12:50:04,052 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:50:04,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:50:04 BasicIcfg [2024-11-13 12:50:04,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:50:04,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:50:04,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:50:04,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:50:04,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:49:58" (3/4) ... [2024-11-13 12:50:04,070 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 12:50:04,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-13 12:50:04,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-13 12:50:04,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-13 12:50:04,078 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-13 12:50:04,078 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 12:50:04,078 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 12:50:04,078 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 12:50:04,169 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 12:50:04,169 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 12:50:04,170 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:50:04,172 INFO L158 Benchmark]: Toolchain (without parser) took 7189.74ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.6MB in the beginning and 110.5MB in the end (delta: -18.8MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. [2024-11-13 12:50:04,172 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:50:04,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 715.44ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 71.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:50:04,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.44ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:50:04,174 INFO L158 Benchmark]: Boogie Preprocessor took 48.77ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 68.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:50:04,174 INFO L158 Benchmark]: RCFGBuilder took 576.01ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 50.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:50:04,174 INFO L158 Benchmark]: TraceAbstraction took 5676.72ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.6MB in the beginning and 34.6MB in the end (delta: 15.0MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-11-13 12:50:04,175 INFO L158 Benchmark]: Witness Printer took 106.62ms. Allocated memory is still 142.6MB. Free memory was 34.6MB in the beginning and 110.5MB in the end (delta: -75.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:50:04,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 715.44ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 71.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.44ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.77ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 68.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 576.01ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 50.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5676.72ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.6MB in the beginning and 34.6MB in the end (delta: 15.0MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * Witness Printer took 106.62ms. Allocated memory is still 142.6MB. Free memory was 34.6MB in the beginning and 110.5MB in the end (delta: -75.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: 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 7 procedures, 70 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 238 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 593 IncrementalHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 24 mSDtfsCounter, 593 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=235occurred in iteration=5, InterpolantAutomatonStates: 44, 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, 1.9s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 588 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 12:50:04,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d27d5f0-1428-41ec-ac6b-8a92ca80fdff/bin/uautomizer-verify-qhAvR1uOyd/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