./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:32:26,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:32:27,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 04:32:27,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:32:27,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:32:27,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:32:27,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:32:27,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:32:27,075 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:32:27,076 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:32:27,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:32:27,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:32:27,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:32:27,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:32:27,078 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:32:27,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:32:27,079 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:32:27,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:32:27,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:32:27,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:32:27,080 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:32:27,080 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:32:27,080 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 04:32:27,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:32:27,080 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:32:27,080 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:32:27,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:32:27,081 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:32:27,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:32:27,081 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:32:27,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:27,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:32:27,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:27,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:27,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:32:27,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:27,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:32:27,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:27,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:27,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:32:27,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:32:27,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:32:27,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:32:27,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:32:27,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:32:27,084 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:32:27,084 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:32:27,084 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_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c [2024-11-28 04:32:27,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:32:27,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:32:27,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:32:27,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:32:27,451 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:32:27,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-atomic/lamport.i [2024-11-28 04:32:30,679 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/data/d8984b5a3/b08ba8fa3ef744feafe594d10435d448/FLAGc7aebad3b [2024-11-28 04:32:31,041 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:32:31,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/sv-benchmarks/c/pthread-atomic/lamport.i [2024-11-28 04:32:31,060 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/data/d8984b5a3/b08ba8fa3ef744feafe594d10435d448/FLAGc7aebad3b [2024-11-28 04:32:31,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/data/d8984b5a3/b08ba8fa3ef744feafe594d10435d448 [2024-11-28 04:32:31,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:32:31,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:32:31,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:31,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:32:31,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:32:31,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78aaaf18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31, skipping insertion in model container [2024-11-28 04:32:31,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:32:31,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:31,646 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:32:31,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:31,780 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:32:31,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31 WrapperNode [2024-11-28 04:32:31,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:31,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:31,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:32:31,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:32:31,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,834 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-11-28 04:32:31,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:31,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:32:31,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:32:31,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:32:31,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,848 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,866 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:32:31,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:32:31,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:32:31,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:32:31,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:32:31,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (1/1) ... [2024-11-28 04:32:31,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:31,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:31,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:32:31,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:32:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-28 04:32:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-28 04:32:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-28 04:32:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-28 04:32:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:32:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:32:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:32:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:32:31,984 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:32:32,130 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:32:32,131 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:32:32,304 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:32:32,304 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:32:32,377 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:32:32,377 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-28 04:32:32,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:32 BoogieIcfgContainer [2024-11-28 04:32:32,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:32:32,380 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:32:32,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:32:32,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:32:32,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:32:31" (1/3) ... [2024-11-28 04:32:32,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b189bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:32, skipping insertion in model container [2024-11-28 04:32:32,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31" (2/3) ... [2024-11-28 04:32:32,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b189bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:32, skipping insertion in model container [2024-11-28 04:32:32,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:32" (3/3) ... [2024-11-28 04:32:32,388 INFO L128 eAbstractionObserver]: Analyzing ICFG lamport.i [2024-11-28 04:32:32,403 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:32:32,405 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG lamport.i that has 3 procedures, 57 locations, 1 initial locations, 8 loop locations, and 3 error locations. [2024-11-28 04:32:32,405 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:32:32,478 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 04:32:32,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 76 transitions, 166 flow [2024-11-28 04:32:32,596 INFO L124 PetriNetUnfolderBase]: 20/74 cut-off events. [2024-11-28 04:32:32,599 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:32:32,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 74 events. 20/74 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 197 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 69. Up to 4 conditions per place. [2024-11-28 04:32:32,604 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 76 transitions, 166 flow [2024-11-28 04:32:32,608 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 73 transitions, 158 flow [2024-11-28 04:32:32,617 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:32:32,652 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;@4d0fd996, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:32:32,653 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-28 04:32:32,663 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:32:32,663 INFO L124 PetriNetUnfolderBase]: 4/28 cut-off events. [2024-11-28 04:32:32,663 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:32:32,663 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:32,664 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:32,665 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 04:32:32,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:32,672 INFO L85 PathProgramCache]: Analyzing trace with hash -619813737, now seen corresponding path program 1 times [2024-11-28 04:32:32,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:32,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470557391] [2024-11-28 04:32:32,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:32,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:32,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:32,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470557391] [2024-11-28 04:32:32,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470557391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:32,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:32,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:32,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250271958] [2024-11-28 04:32:32,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:32,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:32:32,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:32,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:32:32,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:32:32,874 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 76 [2024-11-28 04:32:32,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 73 transitions, 158 flow. Second operand has 2 states, 2 states have (on average 52.0) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:32,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:32,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 76 [2024-11-28 04:32:32,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:33,076 INFO L124 PetriNetUnfolderBase]: 186/435 cut-off events. [2024-11-28 04:32:33,077 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-28 04:32:33,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 435 events. 186/435 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2194 event pairs, 58 based on Foata normal form. 84/431 useless extension candidates. Maximal degree in co-relation 620. Up to 212 conditions per place. [2024-11-28 04:32:33,089 INFO L140 encePairwiseOnDemand]: 68/76 looper letters, 17 selfloop transitions, 0 changer transitions 0/63 dead transitions. [2024-11-28 04:32:33,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 63 transitions, 172 flow [2024-11-28 04:32:33,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:32:33,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 04:32:33,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 125 transitions. [2024-11-28 04:32:33,102 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8223684210526315 [2024-11-28 04:32:33,104 INFO L175 Difference]: Start difference. First operand has 60 places, 73 transitions, 158 flow. Second operand 2 states and 125 transitions. [2024-11-28 04:32:33,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 63 transitions, 172 flow [2024-11-28 04:32:33,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 63 transitions, 164 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 04:32:33,113 INFO L231 Difference]: Finished difference. Result has 55 places, 63 transitions, 130 flow [2024-11-28 04:32:33,115 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=130, PETRI_PLACES=55, PETRI_TRANSITIONS=63} [2024-11-28 04:32:33,119 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, -5 predicate places. [2024-11-28 04:32:33,120 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 63 transitions, 130 flow [2024-11-28 04:32:33,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 52.0) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:33,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:33,120 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:33,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:32:33,121 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 04:32:33,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:33,121 INFO L85 PathProgramCache]: Analyzing trace with hash -109370890, now seen corresponding path program 1 times [2024-11-28 04:32:33,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:33,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791477344] [2024-11-28 04:32:33,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:33,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:33,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:33,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791477344] [2024-11-28 04:32:33,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791477344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:33,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:33,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:33,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201099089] [2024-11-28 04:32:33,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:33,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:33,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:33,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:33,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:33,230 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 76 [2024-11-28 04:32:33,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 63 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:33,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:33,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 76 [2024-11-28 04:32:33,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:33,365 INFO L124 PetriNetUnfolderBase]: 234/551 cut-off events. [2024-11-28 04:32:33,365 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 04:32:33,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 870 conditions, 551 events. 234/551 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3119 event pairs, 44 based on Foata normal form. 15/472 useless extension candidates. Maximal degree in co-relation 867. Up to 169 conditions per place. [2024-11-28 04:32:33,377 INFO L140 encePairwiseOnDemand]: 71/76 looper letters, 27 selfloop transitions, 3 changer transitions 0/73 dead transitions. [2024-11-28 04:32:33,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 73 transitions, 212 flow [2024-11-28 04:32:33,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:33,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 173 transitions. [2024-11-28 04:32:33,379 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7587719298245614 [2024-11-28 04:32:33,379 INFO L175 Difference]: Start difference. First operand has 55 places, 63 transitions, 130 flow. Second operand 3 states and 173 transitions. [2024-11-28 04:32:33,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 73 transitions, 212 flow [2024-11-28 04:32:33,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 73 transitions, 212 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:32:33,383 INFO L231 Difference]: Finished difference. Result has 59 places, 64 transitions, 150 flow [2024-11-28 04:32:33,383 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=59, PETRI_TRANSITIONS=64} [2024-11-28 04:32:33,384 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-11-28 04:32:33,385 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 64 transitions, 150 flow [2024-11-28 04:32:33,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:33,386 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:33,386 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:33,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:32:33,386 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 04:32:33,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:33,388 INFO L85 PathProgramCache]: Analyzing trace with hash -740334882, now seen corresponding path program 1 times [2024-11-28 04:32:33,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:33,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815415364] [2024-11-28 04:32:33,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:33,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:33,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:33,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:33,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815415364] [2024-11-28 04:32:33,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815415364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:33,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:33,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:33,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508437486] [2024-11-28 04:32:33,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:33,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:33,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:33,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:33,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:33,555 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 76 [2024-11-28 04:32:33,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 64 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:33,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:33,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 76 [2024-11-28 04:32:33,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:33,724 INFO L124 PetriNetUnfolderBase]: 217/535 cut-off events. [2024-11-28 04:32:33,724 INFO L125 PetriNetUnfolderBase]: For 110/110 co-relation queries the response was YES. [2024-11-28 04:32:33,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 943 conditions, 535 events. 217/535 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2965 event pairs, 61 based on Foata normal form. 19/466 useless extension candidates. Maximal degree in co-relation 938. Up to 208 conditions per place. [2024-11-28 04:32:33,729 INFO L140 encePairwiseOnDemand]: 72/76 looper letters, 27 selfloop transitions, 2 changer transitions 0/72 dead transitions. [2024-11-28 04:32:33,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 72 transitions, 226 flow [2024-11-28 04:32:33,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:33,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 172 transitions. [2024-11-28 04:32:33,732 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7543859649122807 [2024-11-28 04:32:33,732 INFO L175 Difference]: Start difference. First operand has 59 places, 64 transitions, 150 flow. Second operand 3 states and 172 transitions. [2024-11-28 04:32:33,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 72 transitions, 226 flow [2024-11-28 04:32:33,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 72 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:33,737 INFO L231 Difference]: Finished difference. Result has 60 places, 64 transitions, 154 flow [2024-11-28 04:32:33,738 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=60, PETRI_TRANSITIONS=64} [2024-11-28 04:32:33,739 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, 0 predicate places. [2024-11-28 04:32:33,739 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 64 transitions, 154 flow [2024-11-28 04:32:33,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:33,740 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:33,740 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:33,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:32:33,741 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 04:32:33,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:33,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1904638535, now seen corresponding path program 1 times [2024-11-28 04:32:33,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:33,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510074232] [2024-11-28 04:32:33,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:33,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:33,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:33,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:33,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510074232] [2024-11-28 04:32:33,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510074232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:33,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:33,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:33,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672013218] [2024-11-28 04:32:33,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:33,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:33,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:33,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:33,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:33,885 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 76 [2024-11-28 04:32:33,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 64 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:33,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:33,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 76 [2024-11-28 04:32:33,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:34,064 INFO L124 PetriNetUnfolderBase]: 431/972 cut-off events. [2024-11-28 04:32:34,064 INFO L125 PetriNetUnfolderBase]: For 112/116 co-relation queries the response was YES. [2024-11-28 04:32:34,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1731 conditions, 972 events. 431/972 cut-off events. For 112/116 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 5973 event pairs, 150 based on Foata normal form. 22/920 useless extension candidates. Maximal degree in co-relation 1725. Up to 471 conditions per place. [2024-11-28 04:32:34,074 INFO L140 encePairwiseOnDemand]: 66/76 looper letters, 33 selfloop transitions, 5 changer transitions 0/76 dead transitions. [2024-11-28 04:32:34,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 76 transitions, 259 flow [2024-11-28 04:32:34,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-11-28 04:32:34,077 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7280701754385965 [2024-11-28 04:32:34,078 INFO L175 Difference]: Start difference. First operand has 60 places, 64 transitions, 154 flow. Second operand 3 states and 166 transitions. [2024-11-28 04:32:34,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 76 transitions, 259 flow [2024-11-28 04:32:34,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 76 transitions, 257 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:32:34,083 INFO L231 Difference]: Finished difference. Result has 63 places, 68 transitions, 198 flow [2024-11-28 04:32:34,084 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=63, PETRI_TRANSITIONS=68} [2024-11-28 04:32:34,084 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, 3 predicate places. [2024-11-28 04:32:34,084 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 68 transitions, 198 flow [2024-11-28 04:32:34,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:34,085 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:34,086 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:34,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:32:34,087 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 04:32:34,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:34,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1096005903, now seen corresponding path program 2 times [2024-11-28 04:32:34,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:34,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121391871] [2024-11-28 04:32:34,088 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:32:34,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:34,116 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:32:34,116 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:32:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:34,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:34,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121391871] [2024-11-28 04:32:34,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121391871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:34,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:34,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:34,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874904585] [2024-11-28 04:32:34,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:34,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:34,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:34,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:34,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:34,209 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 76 [2024-11-28 04:32:34,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 68 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:34,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:34,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 76 [2024-11-28 04:32:34,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:34,462 INFO L124 PetriNetUnfolderBase]: 589/1464 cut-off events. [2024-11-28 04:32:34,462 INFO L125 PetriNetUnfolderBase]: For 224/256 co-relation queries the response was YES. [2024-11-28 04:32:34,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2799 conditions, 1464 events. 589/1464 cut-off events. For 224/256 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 10682 event pairs, 165 based on Foata normal form. 35/1334 useless extension candidates. Maximal degree in co-relation 2792. Up to 391 conditions per place. [2024-11-28 04:32:34,474 INFO L140 encePairwiseOnDemand]: 71/76 looper letters, 33 selfloop transitions, 3 changer transitions 0/82 dead transitions. [2024-11-28 04:32:34,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 82 transitions, 306 flow [2024-11-28 04:32:34,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:34,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 173 transitions. [2024-11-28 04:32:34,476 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7587719298245614 [2024-11-28 04:32:34,476 INFO L175 Difference]: Start difference. First operand has 63 places, 68 transitions, 198 flow. Second operand 3 states and 173 transitions. [2024-11-28 04:32:34,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 82 transitions, 306 flow [2024-11-28 04:32:34,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 82 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:34,487 INFO L231 Difference]: Finished difference. Result has 65 places, 71 transitions, 216 flow [2024-11-28 04:32:34,487 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=65, PETRI_TRANSITIONS=71} [2024-11-28 04:32:34,488 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, 5 predicate places. [2024-11-28 04:32:34,488 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 71 transitions, 216 flow [2024-11-28 04:32:34,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:34,488 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:34,488 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:34,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:32:34,489 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 04:32:34,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:34,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1960413745, now seen corresponding path program 3 times [2024-11-28 04:32:34,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:34,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095418730] [2024-11-28 04:32:34,490 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:32:34,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:34,513 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 04:32:34,513 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:32:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:34,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:34,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095418730] [2024-11-28 04:32:34,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095418730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:34,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:34,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:34,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147393130] [2024-11-28 04:32:34,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:34,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:34,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:34,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:34,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:34,594 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 76 [2024-11-28 04:32:34,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 71 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:34,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:34,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 76 [2024-11-28 04:32:34,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:34,836 INFO L124 PetriNetUnfolderBase]: 649/1639 cut-off events. [2024-11-28 04:32:34,836 INFO L125 PetriNetUnfolderBase]: For 419/491 co-relation queries the response was YES. [2024-11-28 04:32:34,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3447 conditions, 1639 events. 649/1639 cut-off events. For 419/491 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 12088 event pairs, 265 based on Foata normal form. 81/1646 useless extension candidates. Maximal degree in co-relation 3439. Up to 774 conditions per place. [2024-11-28 04:32:34,851 INFO L140 encePairwiseOnDemand]: 66/76 looper letters, 35 selfloop transitions, 6 changer transitions 0/82 dead transitions. [2024-11-28 04:32:34,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 82 transitions, 333 flow [2024-11-28 04:32:34,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2024-11-28 04:32:34,854 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7236842105263158 [2024-11-28 04:32:34,854 INFO L175 Difference]: Start difference. First operand has 65 places, 71 transitions, 216 flow. Second operand 3 states and 165 transitions. [2024-11-28 04:32:34,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 82 transitions, 333 flow [2024-11-28 04:32:34,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 82 transitions, 327 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:34,860 INFO L231 Difference]: Finished difference. Result has 67 places, 75 transitions, 268 flow [2024-11-28 04:32:34,861 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=67, PETRI_TRANSITIONS=75} [2024-11-28 04:32:34,862 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2024-11-28 04:32:34,862 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 75 transitions, 268 flow [2024-11-28 04:32:34,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:34,862 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:34,862 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:34,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:32:34,863 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 04:32:34,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:34,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1270394039, now seen corresponding path program 4 times [2024-11-28 04:32:34,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:34,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219147881] [2024-11-28 04:32:34,864 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 04:32:34,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:34,878 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 04:32:34,879 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:32:34,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:34,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:34,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219147881] [2024-11-28 04:32:34,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219147881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:34,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:34,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:34,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219519875] [2024-11-28 04:32:34,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:34,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:34,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:34,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:34,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:34,936 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 76 [2024-11-28 04:32:34,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 75 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:34,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:34,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 76 [2024-11-28 04:32:34,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:35,147 INFO L124 PetriNetUnfolderBase]: 430/1279 cut-off events. [2024-11-28 04:32:35,147 INFO L125 PetriNetUnfolderBase]: For 510/603 co-relation queries the response was YES. [2024-11-28 04:32:35,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2741 conditions, 1279 events. 430/1279 cut-off events. For 510/603 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 9782 event pairs, 144 based on Foata normal form. 50/1219 useless extension candidates. Maximal degree in co-relation 2732. Up to 325 conditions per place. [2024-11-28 04:32:35,158 INFO L140 encePairwiseOnDemand]: 72/76 looper letters, 31 selfloop transitions, 3 changer transitions 0/85 dead transitions. [2024-11-28 04:32:35,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 85 transitions, 366 flow [2024-11-28 04:32:35,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 173 transitions. [2024-11-28 04:32:35,160 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7587719298245614 [2024-11-28 04:32:35,161 INFO L175 Difference]: Start difference. First operand has 67 places, 75 transitions, 268 flow. Second operand 3 states and 173 transitions. [2024-11-28 04:32:35,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 85 transitions, 366 flow [2024-11-28 04:32:35,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 85 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:35,166 INFO L231 Difference]: Finished difference. Result has 67 places, 74 transitions, 258 flow [2024-11-28 04:32:35,167 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=67, PETRI_TRANSITIONS=74} [2024-11-28 04:32:35,168 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2024-11-28 04:32:35,168 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 74 transitions, 258 flow [2024-11-28 04:32:35,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:35,168 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:35,169 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:35,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:32:35,169 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 04:32:35,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:35,170 INFO L85 PathProgramCache]: Analyzing trace with hash -765206911, now seen corresponding path program 1 times [2024-11-28 04:32:35,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:35,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520284273] [2024-11-28 04:32:35,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:35,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:35,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:35,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520284273] [2024-11-28 04:32:35,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520284273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:35,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:35,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:35,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974704708] [2024-11-28 04:32:35,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:35,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:35,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:35,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:35,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:35,237 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 76 [2024-11-28 04:32:35,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 74 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:35,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:35,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 76 [2024-11-28 04:32:35,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:35,441 INFO L124 PetriNetUnfolderBase]: 468/1300 cut-off events. [2024-11-28 04:32:35,442 INFO L125 PetriNetUnfolderBase]: For 264/318 co-relation queries the response was YES. [2024-11-28 04:32:35,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2673 conditions, 1300 events. 468/1300 cut-off events. For 264/318 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 9618 event pairs, 168 based on Foata normal form. 39/1242 useless extension candidates. Maximal degree in co-relation 2664. Up to 493 conditions per place. [2024-11-28 04:32:35,453 INFO L140 encePairwiseOnDemand]: 71/76 looper letters, 22 selfloop transitions, 4 changer transitions 0/79 dead transitions. [2024-11-28 04:32:35,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 79 transitions, 323 flow [2024-11-28 04:32:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:35,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2024-11-28 04:32:35,455 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7236842105263158 [2024-11-28 04:32:35,455 INFO L175 Difference]: Start difference. First operand has 67 places, 74 transitions, 258 flow. Second operand 3 states and 165 transitions. [2024-11-28 04:32:35,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 79 transitions, 323 flow [2024-11-28 04:32:35,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 79 transitions, 320 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:32:35,460 INFO L231 Difference]: Finished difference. Result has 69 places, 75 transitions, 273 flow [2024-11-28 04:32:35,461 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=69, PETRI_TRANSITIONS=75} [2024-11-28 04:32:35,461 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, 9 predicate places. [2024-11-28 04:32:35,461 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 75 transitions, 273 flow [2024-11-28 04:32:35,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:35,462 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:35,462 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:35,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:32:35,462 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 04:32:35,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:35,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1826150185, now seen corresponding path program 1 times [2024-11-28 04:32:35,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:35,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902902915] [2024-11-28 04:32:35,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:35,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:35,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:35,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902902915] [2024-11-28 04:32:35,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902902915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:35,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:35,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:35,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190959457] [2024-11-28 04:32:35,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:35,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:35,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:35,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:35,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:35,521 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 76 [2024-11-28 04:32:35,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 75 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:35,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:35,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 76 [2024-11-28 04:32:35,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:35,735 INFO L124 PetriNetUnfolderBase]: 471/1326 cut-off events. [2024-11-28 04:32:35,735 INFO L125 PetriNetUnfolderBase]: For 257/302 co-relation queries the response was YES. [2024-11-28 04:32:35,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2858 conditions, 1326 events. 471/1326 cut-off events. For 257/302 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 9164 event pairs, 141 based on Foata normal form. 25/1289 useless extension candidates. Maximal degree in co-relation 2848. Up to 504 conditions per place. [2024-11-28 04:32:35,745 INFO L140 encePairwiseOnDemand]: 71/76 looper letters, 21 selfloop transitions, 4 changer transitions 0/73 dead transitions. [2024-11-28 04:32:35,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 73 transitions, 310 flow [2024-11-28 04:32:35,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:35,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2024-11-28 04:32:35,747 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7192982456140351 [2024-11-28 04:32:35,747 INFO L175 Difference]: Start difference. First operand has 69 places, 75 transitions, 273 flow. Second operand 3 states and 164 transitions. [2024-11-28 04:32:35,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 73 transitions, 310 flow [2024-11-28 04:32:35,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 73 transitions, 300 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:35,756 INFO L231 Difference]: Finished difference. Result has 64 places, 68 transitions, 253 flow [2024-11-28 04:32:35,756 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=64, PETRI_TRANSITIONS=68} [2024-11-28 04:32:35,758 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, 4 predicate places. [2024-11-28 04:32:35,758 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 68 transitions, 253 flow [2024-11-28 04:32:35,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:35,759 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:35,759 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:35,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:32:35,759 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thr2Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 04:32:35,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:35,760 INFO L85 PathProgramCache]: Analyzing trace with hash -824984830, now seen corresponding path program 1 times [2024-11-28 04:32:35,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:35,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370987757] [2024-11-28 04:32:35,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:35,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:35,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:35,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:35,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370987757] [2024-11-28 04:32:35,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370987757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:35,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:35,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:32:35,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8826659] [2024-11-28 04:32:35,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:35,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:35,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:35,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:35,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:35,857 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 76 [2024-11-28 04:32:35,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 68 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:35,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:35,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 76 [2024-11-28 04:32:35,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:35,992 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([393] L746-->L746-2: Formula: (< v_~b2~0_In_1 1) InVars {~b2~0=v_~b2~0_In_1} OutVars{~b2~0=v_~b2~0_In_1} AuxVars[] AssignedVars[][31], [75#(= ~X~0 1), 9#L746-2true, Black: 97#(= ~b2~0 1), 99#true, Black: 101#(= ~b1~0 1), Black: 70#(= ~X~0 0), 3#L790true, 66#true, 105#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 94#(<= ~x~0 1), Black: 77#true, 17#L783true, Black: 84#(= 2 ~x~0), Black: 89#(= 2 ~y~0)]) [2024-11-28 04:32:35,992 INFO L294 olderBase$Statistics]: this new event has 33 ancestors and is cut-off event [2024-11-28 04:32:35,992 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is cut-off event [2024-11-28 04:32:35,992 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-11-28 04:32:35,992 INFO L297 olderBase$Statistics]: existing Event has 33 ancestors and is cut-off event [2024-11-28 04:32:36,000 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([354] L783-->thr2EXIT: Formula: (and (= |v_thr2Thread1of1ForFork0_#res#1.offset_1| 0) (= |v_thr2Thread1of1ForFork0_#res#1.base_1| 0)) InVars {} OutVars{thr2Thread1of1ForFork0_#res#1.offset=|v_thr2Thread1of1ForFork0_#res#1.offset_1|, thr2Thread1of1ForFork0_#res#1.base=|v_thr2Thread1of1ForFork0_#res#1.base_1|} AuxVars[] AssignedVars[thr2Thread1of1ForFork0_#res#1.offset, thr2Thread1of1ForFork0_#res#1.base][47], [75#(= ~X~0 1), Black: 97#(= ~b2~0 1), 99#true, 37#thr2EXITtrue, Black: 101#(= ~b1~0 1), Black: 70#(= ~X~0 0), 3#L790true, 66#true, 105#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 94#(<= ~x~0 1), Black: 79#(= ~y~0 1), Black: 84#(= 2 ~x~0), 19#L748-3true, Black: 89#(= 2 ~y~0)]) [2024-11-28 04:32:36,000 INFO L294 olderBase$Statistics]: this new event has 33 ancestors and is cut-off event [2024-11-28 04:32:36,000 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is cut-off event [2024-11-28 04:32:36,000 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is cut-off event [2024-11-28 04:32:36,000 INFO L297 olderBase$Statistics]: existing Event has 24 ancestors and is cut-off event [2024-11-28 04:32:36,004 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([386] L757-->thr1EXIT: Formula: (and (= 0 |v_thr1Thread1of1ForFork1_#res#1.offset_1|) (= |v_thr1Thread1of1ForFork1_#res#1.base_1| 0)) InVars {} OutVars{thr1Thread1of1ForFork1_#res#1.offset=|v_thr1Thread1of1ForFork1_#res#1.offset_1|, thr1Thread1of1ForFork1_#res#1.base=|v_thr1Thread1of1ForFork1_#res#1.base_1|} AuxVars[] AssignedVars[thr1Thread1of1ForFork1_#res#1.offset, thr1Thread1of1ForFork1_#res#1.base][42], [Black: 97#(= ~b2~0 1), 37#thr2EXITtrue, 99#true, Black: 101#(= ~b1~0 1), Black: 68#true, 6#thr1EXITtrue, 66#true, 105#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 94#(<= ~x~0 1), 5#L789-4true, Black: 79#(= ~y~0 1), Black: 84#(= 2 ~x~0), Black: 89#(= 2 ~y~0)]) [2024-11-28 04:32:36,005 INFO L294 olderBase$Statistics]: this new event has 33 ancestors and is cut-off event [2024-11-28 04:32:36,005 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-11-28 04:32:36,005 INFO L297 olderBase$Statistics]: existing Event has 34 ancestors and is cut-off event [2024-11-28 04:32:36,005 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-11-28 04:32:36,007 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([386] L757-->thr1EXIT: Formula: (and (= 0 |v_thr1Thread1of1ForFork1_#res#1.offset_1|) (= |v_thr1Thread1of1ForFork1_#res#1.base_1| 0)) InVars {} OutVars{thr1Thread1of1ForFork1_#res#1.offset=|v_thr1Thread1of1ForFork1_#res#1.offset_1|, thr1Thread1of1ForFork1_#res#1.base=|v_thr1Thread1of1ForFork1_#res#1.base_1|} AuxVars[] AssignedVars[thr1Thread1of1ForFork1_#res#1.offset, thr1Thread1of1ForFork1_#res#1.base][42], [Black: 97#(= ~b2~0 1), 37#thr2EXITtrue, 99#true, Black: 101#(= ~b1~0 1), 3#L790true, Black: 68#true, 6#thr1EXITtrue, 66#true, 105#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 94#(<= ~x~0 1), Black: 79#(= ~y~0 1), Black: 84#(= 2 ~x~0), Black: 89#(= 2 ~y~0)]) [2024-11-28 04:32:36,007 INFO L294 olderBase$Statistics]: this new event has 34 ancestors and is cut-off event [2024-11-28 04:32:36,007 INFO L297 olderBase$Statistics]: existing Event has 35 ancestors and is cut-off event [2024-11-28 04:32:36,007 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-11-28 04:32:36,007 INFO L297 olderBase$Statistics]: existing Event has 32 ancestors and is cut-off event [2024-11-28 04:32:36,008 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([393] L746-->L746-2: Formula: (< v_~b2~0_In_1 1) InVars {~b2~0=v_~b2~0_In_1} OutVars{~b2~0=v_~b2~0_In_1} AuxVars[] AssignedVars[][31], [75#(= ~X~0 1), 9#L746-2true, Black: 97#(= ~b2~0 1), 99#true, Black: 101#(= ~b1~0 1), Black: 70#(= ~X~0 0), 3#L790true, 66#true, 105#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 94#(<= ~x~0 1), Black: 77#true, 17#L783true, Black: 84#(= 2 ~x~0), Black: 89#(= 2 ~y~0)]) [2024-11-28 04:32:36,008 INFO L294 olderBase$Statistics]: this new event has 34 ancestors and is cut-off event [2024-11-28 04:32:36,008 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is cut-off event [2024-11-28 04:32:36,008 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-11-28 04:32:36,009 INFO L297 olderBase$Statistics]: existing Event has 33 ancestors and is cut-off event [2024-11-28 04:32:36,009 INFO L297 olderBase$Statistics]: existing Event has 33 ancestors and is cut-off event [2024-11-28 04:32:36,013 INFO L124 PetriNetUnfolderBase]: 332/974 cut-off events. [2024-11-28 04:32:36,013 INFO L125 PetriNetUnfolderBase]: For 254/286 co-relation queries the response was YES. [2024-11-28 04:32:36,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2118 conditions, 974 events. 332/974 cut-off events. For 254/286 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 6613 event pairs, 131 based on Foata normal form. 4/859 useless extension candidates. Maximal degree in co-relation 2108. Up to 383 conditions per place. [2024-11-28 04:32:36,018 INFO L140 encePairwiseOnDemand]: 74/76 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions. [2024-11-28 04:32:36,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 67 transitions, 281 flow [2024-11-28 04:32:36,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:36,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2024-11-28 04:32:36,020 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7149122807017544 [2024-11-28 04:32:36,020 INFO L175 Difference]: Start difference. First operand has 64 places, 68 transitions, 253 flow. Second operand 3 states and 163 transitions. [2024-11-28 04:32:36,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 67 transitions, 281 flow [2024-11-28 04:32:36,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 67 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:36,025 INFO L231 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2024-11-28 04:32:36,026 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2024-11-28 04:32:36,026 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, 3 predicate places. [2024-11-28 04:32:36,028 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow [2024-11-28 04:32:36,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:36,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-28 04:32:36,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-28 04:32:36,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-28 04:32:36,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-28 04:32:36,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-28 04:32:36,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-28 04:32:36,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-28 04:32:36,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:32:36,033 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:36,043 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:32:36,043 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:32:36,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:32:36 BasicIcfg [2024-11-28 04:32:36,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:32:36,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:32:36,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:32:36,052 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:32:36,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:32" (3/4) ... [2024-11-28 04:32:36,055 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:32:36,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-28 04:32:36,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-28 04:32:36,065 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-28 04:32:36,065 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 04:32:36,065 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 04:32:36,066 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:32:36,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:32:36,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:32:36,153 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:32:36,154 INFO L158 Benchmark]: Toolchain (without parser) took 5066.66ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 90.6MB in the beginning and 60.8MB in the end (delta: 29.8MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-11-28 04:32:36,154 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:36,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 693.64ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 70.7MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:32:36,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.73ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 69.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:36,155 INFO L158 Benchmark]: Boogie Preprocessor took 62.82ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 67.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:36,156 INFO L158 Benchmark]: RCFGBuilder took 476.98ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 50.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:32:36,156 INFO L158 Benchmark]: TraceAbstraction took 3671.23ms. 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 65.0MB in the end (delta: -15.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-28 04:32:36,156 INFO L158 Benchmark]: Witness Printer took 101.37ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 60.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:36,158 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 was 73.2MB in the beginning and 73.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 693.64ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 70.7MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.73ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 69.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.82ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 67.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.98ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 50.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3671.23ms. 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 65.0MB in the end (delta: -15.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 101.37ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 60.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 786]: 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, 105 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.5s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 196 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 405 IncrementalHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 49 mSDtfsCounter, 405 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred in iteration=8, InterpolantAutomatonStates: 29, 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, 0.6s InterpolantComputationTime, 213 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:32:36,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb366a40-4f3a-4607-ad04-eab70da415d2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE