./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi003_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi003_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU --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 503cbc793fb2369a7e5308c15a611fe38888f935ec98bb5d473194a0a60e31e4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:51,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:51,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-31 21:58:51,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:51,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:51,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:51,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:51,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:51,800 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:51,801 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:51,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:51,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:51,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:51,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:51,807 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:51,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:51,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:51,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:51,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:51,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:51,813 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 21:58:51,817 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 21:58:51,818 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 21:58:51,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:51,819 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:58:51,819 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:51,819 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:51,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:51,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:51,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:51,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:51,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:51,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:51,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:51,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:51,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:51,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:51,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:51,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:51,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:51,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:51,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:51,829 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503cbc793fb2369a7e5308c15a611fe38888f935ec98bb5d473194a0a60e31e4 [2024-10-31 21:58:52,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:52,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:52,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:52,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:52,272 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:52,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-wmm/rfi003_tso.i Unable to find full path for "g++" [2024-10-31 21:58:54,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:54,918 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:54,919 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/sv-benchmarks/c/pthread-wmm/rfi003_tso.i [2024-10-31 21:58:54,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/data/51940c007/2963657befeb49aa94a483a384f12309/FLAGf5ca6e249 [2024-10-31 21:58:54,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/data/51940c007/2963657befeb49aa94a483a384f12309 [2024-10-31 21:58:54,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:54,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:54,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:54,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:54,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:54,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:54" (1/1) ... [2024-10-31 21:58:54,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3131db3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:54, skipping insertion in model container [2024-10-31 21:58:54,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:54" (1/1) ... [2024-10-31 21:58:55,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:55,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:55,716 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:55,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:55,867 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:55,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55 WrapperNode [2024-10-31 21:58:55,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:55,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:55,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:55,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:55,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:55,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:55,953 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 172 [2024-10-31 21:58:55,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:55,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:55,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:55,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:55,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:55,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:55,973 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:56,030 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]. [2024-10-31 21:58:56,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:56,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:56,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:56,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:56,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:56,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:56,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:56,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:56,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:56,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:56,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (1/1) ... [2024-10-31 21:58:56,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:56,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:56,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:56,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 21:58:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-31 21:58:56,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-31 21:58:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-31 21:58:56,207 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-31 21:58:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:58:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 21:58:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:56,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:56,212 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 21:58:56,408 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:56,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:56,987 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:58:56,987 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:57,363 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:57,363 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:58:57,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:57 BoogieIcfgContainer [2024-10-31 21:58:57,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:57,367 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:58:57,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:58:57,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:58:57,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:54" (1/3) ... [2024-10-31 21:58:57,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1b5e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:57, skipping insertion in model container [2024-10-31 21:58:57,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:55" (2/3) ... [2024-10-31 21:58:57,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1b5e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:57, skipping insertion in model container [2024-10-31 21:58:57,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:57" (3/3) ... [2024-10-31 21:58:57,377 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi003_tso.i [2024-10-31 21:58:57,397 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:58:57,398 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-31 21:58:57,398 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:58:57,467 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 21:58:57,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 84 flow [2024-10-31 21:58:57,549 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-10-31 21:58:57,551 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:58:57,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 36 events. 2/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 66 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2024-10-31 21:58:57,556 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 38 transitions, 84 flow [2024-10-31 21:58:57,561 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 36 transitions, 78 flow [2024-10-31 21:58:57,579 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:58:57,595 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;@6fb9055a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:58:57,595 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-31 21:58:57,611 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:58:57,613 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-10-31 21:58:57,617 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:58:57,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:57,618 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:57,619 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-31 21:58:57,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:57,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1857544288, now seen corresponding path program 1 times [2024-10-31 21:58:57,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:57,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564426215] [2024-10-31 21:58:57,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:57,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:58,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:58,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564426215] [2024-10-31 21:58:58,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564426215] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:58,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:58,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 21:58:58,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283816305] [2024-10-31 21:58:58,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:58,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:58,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:58,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:58,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:58,331 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 38 [2024-10-31 21:58:58,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-10-31 21:58:58,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:58,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 38 [2024-10-31 21:58:58,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:58,844 INFO L124 PetriNetUnfolderBase]: 325/618 cut-off events. [2024-10-31 21:58:58,845 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:58:58,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1182 conditions, 618 events. 325/618 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3323 event pairs, 30 based on Foata normal form. 48/659 useless extension candidates. Maximal degree in co-relation 1172. Up to 476 conditions per place. [2024-10-31 21:58:58,855 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 27 selfloop transitions, 2 changer transitions 2/43 dead transitions. [2024-10-31 21:58:58,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 43 transitions, 154 flow [2024-10-31 21:58:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:58,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:58:58,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-10-31 21:58:58,884 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6842105263157895 [2024-10-31 21:58:58,886 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 78 flow. Second operand 3 states and 78 transitions. [2024-10-31 21:58:58,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 43 transitions, 154 flow [2024-10-31 21:58:58,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 43 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:58:58,894 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow [2024-10-31 21:58:58,897 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2024-10-31 21:58:58,901 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places. [2024-10-31 21:58:58,901 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow [2024-10-31 21:58:58,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-10-31 21:58:58,903 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:58,903 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:58,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:58:58,905 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-31 21:58:58,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:58,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1875379275, now seen corresponding path program 1 times [2024-10-31 21:58:58,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:58,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098564534] [2024-10-31 21:58:58,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:58,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:59,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:59,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:59,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098564534] [2024-10-31 21:58:59,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098564534] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:59,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:59,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 21:58:59,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148897416] [2024-10-31 21:58:59,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:59,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:59,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:59,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:59,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:59,112 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-10-31 21:58:59,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:59,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:59,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-10-31 21:58:59,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:59,387 INFO L124 PetriNetUnfolderBase]: 287/600 cut-off events. [2024-10-31 21:58:59,387 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-10-31 21:58:59,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 600 events. 287/600 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3358 event pairs, 287 based on Foata normal form. 24/613 useless extension candidates. Maximal degree in co-relation 1124. Up to 488 conditions per place. [2024-10-31 21:58:59,396 INFO L140 encePairwiseOnDemand]: 36/38 looper letters, 17 selfloop transitions, 1 changer transitions 1/30 dead transitions. [2024-10-31 21:58:59,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 106 flow [2024-10-31 21:58:59,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:58:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2024-10-31 21:58:59,399 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5175438596491229 [2024-10-31 21:58:59,400 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 59 transitions. [2024-10-31 21:58:59,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 106 flow [2024-10-31 21:58:59,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:58:59,402 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow [2024-10-31 21:58:59,402 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2024-10-31 21:58:59,403 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places. [2024-10-31 21:58:59,404 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow [2024-10-31 21:58:59,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:59,405 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:59,405 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:59,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:58:59,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-31 21:58:59,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:59,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1875380614, now seen corresponding path program 1 times [2024-10-31 21:58:59,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:59,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551538974] [2024-10-31 21:58:59,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:59,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:59,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:59,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551538974] [2024-10-31 21:58:59,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551538974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:59,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:59,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:58:59,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363559975] [2024-10-31 21:58:59,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:59,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:59,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:59,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:59,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:59,747 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 38 [2024-10-31 21:58:59,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-10-31 21:58:59,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:59,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 38 [2024-10-31 21:58:59,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:00,083 INFO L124 PetriNetUnfolderBase]: 296/601 cut-off events. [2024-10-31 21:59:00,084 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:59:00,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1149 conditions, 601 events. 296/601 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2942 event pairs, 62 based on Foata normal form. 35/631 useless extension candidates. Maximal degree in co-relation 1143. Up to 289 conditions per place. [2024-10-31 21:59:00,089 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 38 selfloop transitions, 4 changer transitions 1/51 dead transitions. [2024-10-31 21:59:00,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 51 transitions, 196 flow [2024-10-31 21:59:00,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 21:59:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2024-10-31 21:59:00,093 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5855263157894737 [2024-10-31 21:59:00,093 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 4 states and 89 transitions. [2024-10-31 21:59:00,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 51 transitions, 196 flow [2024-10-31 21:59:00,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 51 transitions, 195 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:59:00,096 INFO L231 Difference]: Finished difference. Result has 40 places, 31 transitions, 89 flow [2024-10-31 21:59:00,097 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=35, 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=89, PETRI_PLACES=40, PETRI_TRANSITIONS=31} [2024-10-31 21:59:00,098 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -1 predicate places. [2024-10-31 21:59:00,099 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 89 flow [2024-10-31 21:59:00,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-10-31 21:59:00,100 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:00,100 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:00,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:59:00,101 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-31 21:59:00,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:00,102 INFO L85 PathProgramCache]: Analyzing trace with hash 757741343, now seen corresponding path program 1 times [2024-10-31 21:59:00,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:00,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624335856] [2024-10-31 21:59:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:00,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:00,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:00,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624335856] [2024-10-31 21:59:00,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624335856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:00,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:00,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:59:00,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113171431] [2024-10-31 21:59:00,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:00,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:59:00,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:00,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:59:00,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:00,636 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 38 [2024-10-31 21:59:00,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 89 flow. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-10-31 21:59:00,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:00,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 38 [2024-10-31 21:59:00,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:00,864 INFO L124 PetriNetUnfolderBase]: 138/284 cut-off events. [2024-10-31 21:59:00,864 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-10-31 21:59:00,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 284 events. 138/284 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1014 event pairs, 42 based on Foata normal form. 20/299 useless extension candidates. Maximal degree in co-relation 653. Up to 116 conditions per place. [2024-10-31 21:59:00,867 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 31 selfloop transitions, 6 changer transitions 1/46 dead transitions. [2024-10-31 21:59:00,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 46 transitions, 200 flow [2024-10-31 21:59:00,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:59:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 21:59:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 95 transitions. [2024-10-31 21:59:00,869 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-10-31 21:59:00,869 INFO L175 Difference]: Start difference. First operand has 40 places, 31 transitions, 89 flow. Second operand 5 states and 95 transitions. [2024-10-31 21:59:00,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 46 transitions, 200 flow [2024-10-31 21:59:00,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 46 transitions, 191 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-31 21:59:00,872 INFO L231 Difference]: Finished difference. Result has 44 places, 31 transitions, 105 flow [2024-10-31 21:59:00,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=105, PETRI_PLACES=44, PETRI_TRANSITIONS=31} [2024-10-31 21:59:00,873 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 3 predicate places. [2024-10-31 21:59:00,873 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 31 transitions, 105 flow [2024-10-31 21:59:00,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-10-31 21:59:00,874 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:00,874 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] [2024-10-31 21:59:00,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:59:00,875 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-31 21:59:00,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:00,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1092507095, now seen corresponding path program 1 times [2024-10-31 21:59:00,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:00,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169643177] [2024-10-31 21:59:00,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:00,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:08,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:08,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169643177] [2024-10-31 21:59:08,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169643177] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:08,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:08,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-31 21:59:08,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211302084] [2024-10-31 21:59:08,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:08,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 21:59:08,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:08,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 21:59:08,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-31 21:59:08,501 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-10-31 21:59:08,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 31 transitions, 105 flow. Second operand has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 13 states have internal predecessors, (186), 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) [2024-10-31 21:59:08,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:08,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-10-31 21:59:08,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:09,881 INFO L124 PetriNetUnfolderBase]: 164/381 cut-off events. [2024-10-31 21:59:09,881 INFO L125 PetriNetUnfolderBase]: For 124/124 co-relation queries the response was YES. [2024-10-31 21:59:09,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 381 events. 164/381 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1587 event pairs, 26 based on Foata normal form. 4/378 useless extension candidates. Maximal degree in co-relation 834. Up to 142 conditions per place. [2024-10-31 21:59:09,884 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 28 selfloop transitions, 17 changer transitions 15/72 dead transitions. [2024-10-31 21:59:09,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 72 transitions, 315 flow [2024-10-31 21:59:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 21:59:09,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-31 21:59:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 191 transitions. [2024-10-31 21:59:09,888 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5026315789473684 [2024-10-31 21:59:09,888 INFO L175 Difference]: Start difference. First operand has 44 places, 31 transitions, 105 flow. Second operand 10 states and 191 transitions. [2024-10-31 21:59:09,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 72 transitions, 315 flow [2024-10-31 21:59:09,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 72 transitions, 281 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-31 21:59:09,891 INFO L231 Difference]: Finished difference. Result has 53 places, 47 transitions, 182 flow [2024-10-31 21:59:09,892 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=182, PETRI_PLACES=53, PETRI_TRANSITIONS=47} [2024-10-31 21:59:09,893 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 12 predicate places. [2024-10-31 21:59:09,893 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 182 flow [2024-10-31 21:59:09,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 13 states have internal predecessors, (186), 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) [2024-10-31 21:59:09,893 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:09,894 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] [2024-10-31 21:59:09,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:59:09,894 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-31 21:59:09,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:09,895 INFO L85 PathProgramCache]: Analyzing trace with hash 374494543, now seen corresponding path program 2 times [2024-10-31 21:59:09,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:09,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032250319] [2024-10-31 21:59:09,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:09,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:14,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:14,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:14,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032250319] [2024-10-31 21:59:14,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032250319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:14,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:14,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-31 21:59:14,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024536381] [2024-10-31 21:59:14,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:14,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 21:59:14,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:14,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 21:59:14,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-31 21:59:14,628 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-10-31 21:59:14,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 182 flow. Second operand has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 13 states have internal predecessors, (186), 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) [2024-10-31 21:59:14,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:14,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-10-31 21:59:14,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:15,549 INFO L124 PetriNetUnfolderBase]: 162/388 cut-off events. [2024-10-31 21:59:15,550 INFO L125 PetriNetUnfolderBase]: For 71/74 co-relation queries the response was YES. [2024-10-31 21:59:15,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 957 conditions, 388 events. 162/388 cut-off events. For 71/74 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1623 event pairs, 24 based on Foata normal form. 6/389 useless extension candidates. Maximal degree in co-relation 943. Up to 143 conditions per place. [2024-10-31 21:59:15,553 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 19 selfloop transitions, 7 changer transitions 40/78 dead transitions. [2024-10-31 21:59:15,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 78 transitions, 413 flow [2024-10-31 21:59:15,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 21:59:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-31 21:59:15,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 198 transitions. [2024-10-31 21:59:15,556 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2024-10-31 21:59:15,556 INFO L175 Difference]: Start difference. First operand has 53 places, 47 transitions, 182 flow. Second operand 11 states and 198 transitions. [2024-10-31 21:59:15,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 78 transitions, 413 flow [2024-10-31 21:59:15,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 78 transitions, 399 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-10-31 21:59:15,562 INFO L231 Difference]: Finished difference. Result has 62 places, 33 transitions, 137 flow [2024-10-31 21:59:15,562 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=137, PETRI_PLACES=62, PETRI_TRANSITIONS=33} [2024-10-31 21:59:15,564 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 21 predicate places. [2024-10-31 21:59:15,565 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 33 transitions, 137 flow [2024-10-31 21:59:15,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 13 states have internal predecessors, (186), 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) [2024-10-31 21:59:15,565 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:15,566 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] [2024-10-31 21:59:15,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:59:15,566 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-31 21:59:15,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:15,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1109587875, now seen corresponding path program 3 times [2024-10-31 21:59:15,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:15,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866482991] [2024-10-31 21:59:15,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:15,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:16,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:16,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866482991] [2024-10-31 21:59:16,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866482991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:16,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:16,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 21:59:16,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63794580] [2024-10-31 21:59:16,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:16,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:59:16,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:16,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:59:16,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:59:16,580 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 38 [2024-10-31 21:59:16,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 33 transitions, 137 flow. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 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) [2024-10-31 21:59:16,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:16,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 38 [2024-10-31 21:59:16,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:16,870 INFO L124 PetriNetUnfolderBase]: 60/145 cut-off events. [2024-10-31 21:59:16,870 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-10-31 21:59:16,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 145 events. 60/145 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 374 event pairs, 8 based on Foata normal form. 4/147 useless extension candidates. Maximal degree in co-relation 376. Up to 58 conditions per place. [2024-10-31 21:59:16,871 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2024-10-31 21:59:16,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 39 transitions, 213 flow [2024-10-31 21:59:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 21:59:16,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-31 21:59:16,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 118 transitions. [2024-10-31 21:59:16,872 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3881578947368421 [2024-10-31 21:59:16,872 INFO L175 Difference]: Start difference. First operand has 62 places, 33 transitions, 137 flow. Second operand 8 states and 118 transitions. [2024-10-31 21:59:16,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 39 transitions, 213 flow [2024-10-31 21:59:16,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 39 transitions, 169 flow, removed 6 selfloop flow, removed 14 redundant places. [2024-10-31 21:59:16,874 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2024-10-31 21:59:16,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2024-10-31 21:59:16,875 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 6 predicate places. [2024-10-31 21:59:16,875 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2024-10-31 21:59:16,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 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) [2024-10-31 21:59:16,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-10-31 21:59:16,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-10-31 21:59:16,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-10-31 21:59:16,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-10-31 21:59:16,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-10-31 21:59:16,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-10-31 21:59:16,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:59:16,880 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-10-31 21:59:16,886 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 21:59:16,886 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:59:16,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:59:16 BasicIcfg [2024-10-31 21:59:16,892 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:59:16,892 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:59:16,892 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:59:16,893 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:59:16,893 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:57" (3/4) ... [2024-10-31 21:59:16,895 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 21:59:16,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-31 21:59:16,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-31 21:59:16,904 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2024-10-31 21:59:16,906 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-31 21:59:16,907 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 21:59:16,907 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 21:59:17,028 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 21:59:17,029 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 21:59:17,029 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:59:17,030 INFO L158 Benchmark]: Toolchain (without parser) took 22058.31ms. Allocated memory was 153.1MB in the beginning and 599.8MB in the end (delta: 446.7MB). Free memory was 116.0MB in the beginning and 563.8MB in the end (delta: -447.8MB). Peak memory consumption was 295.1MB. Max. memory is 16.1GB. [2024-10-31 21:59:17,030 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 107.0MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:59:17,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 892.31ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 87.4MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-31 21:59:17,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.11ms. Allocated memory is still 153.1MB. Free memory was 87.4MB in the beginning and 83.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 21:59:17,031 INFO L158 Benchmark]: Boogie Preprocessor took 133.73ms. Allocated memory is still 153.1MB. Free memory was 83.6MB in the beginning and 120.7MB in the end (delta: -37.1MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-10-31 21:59:17,032 INFO L158 Benchmark]: RCFGBuilder took 1275.62ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 114.3MB in the end (delta: 6.4MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2024-10-31 21:59:17,032 INFO L158 Benchmark]: TraceAbstraction took 19524.37ms. Allocated memory was 153.1MB in the beginning and 499.1MB in the end (delta: 346.0MB). Free memory was 113.3MB in the beginning and 172.8MB in the end (delta: -59.5MB). Peak memory consumption was 287.5MB. Max. memory is 16.1GB. [2024-10-31 21:59:17,033 INFO L158 Benchmark]: Witness Printer took 136.99ms. Allocated memory was 499.1MB in the beginning and 599.8MB in the end (delta: 100.7MB). Free memory was 172.8MB in the beginning and 563.8MB in the end (delta: -391.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-10-31 21:59:17,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 107.0MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 892.31ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 87.4MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.11ms. Allocated memory is still 153.1MB. Free memory was 87.4MB in the beginning and 83.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.73ms. Allocated memory is still 153.1MB. Free memory was 83.6MB in the beginning and 120.7MB in the end (delta: -37.1MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1275.62ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 114.3MB in the end (delta: 6.4MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. * TraceAbstraction took 19524.37ms. Allocated memory was 153.1MB in the beginning and 499.1MB in the end (delta: 346.0MB). Free memory was 113.3MB in the beginning and 172.8MB in the end (delta: -59.5MB). Peak memory consumption was 287.5MB. Max. memory is 16.1GB. * Witness Printer took 136.99ms. Allocated memory was 499.1MB in the beginning and 599.8MB in the end (delta: 100.7MB). Free memory was 172.8MB in the beginning and 563.8MB in the end (delta: -391.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 833]: 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, 57 locations, 6 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: 19.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 277 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 141 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 875 IncrementalHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 20 mSDtfsCounter, 875 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred 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, 1.1s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 1665 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 21:59:17,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f200227-ee5d-42e2-988e-1fa4cef5afd3/bin/uautomizer-verify-4GaUIPS5ZU/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