./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/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_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/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_6fcdac64-6757-46a3-be10-7fde2d2233e9/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 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:30:54,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:30:54,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-27 23:30:54,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:30:54,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:30:54,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:30:54,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:30:54,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:30:54,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:30:54,689 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:30:54,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:30:54,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:30:54,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:30:54,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:30:54,690 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:30:54,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:30:54,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:30:54,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:30:54,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:30:54,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:30:54,692 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 23:30:54,692 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 23:30:54,692 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-27 23:30:54,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:30:54,692 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:30:54,692 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:30:54,692 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:30:54,693 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:30:54,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:30:54,693 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:30:54,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:30:54,693 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:30:54,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:30:54,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:30:54,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:30:54,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:30:54,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:30:54,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:30:54,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:30:54,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:30:54,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:30:54,695 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:30:54,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:30:54,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:30:54,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:30:54,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:30:54,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:30:54,696 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_6fcdac64-6757-46a3-be10-7fde2d2233e9/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 -> 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 [2024-11-27 23:30:55,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:30:55,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:30:55,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:30:55,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:30:55,094 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:30:55,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe030_tso.i [2024-11-27 23:30:58,494 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/data/a82a35573/d48f927fec194aba9c07be8bbf697488/FLAGade009f3b [2024-11-27 23:30:58,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:30:58,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/sv-benchmarks/c/pthread-wmm/safe030_tso.i [2024-11-27 23:30:58,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/data/a82a35573/d48f927fec194aba9c07be8bbf697488/FLAGade009f3b [2024-11-27 23:30:59,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/data/a82a35573/d48f927fec194aba9c07be8bbf697488 [2024-11-27 23:30:59,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:30:59,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:30:59,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:30:59,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:30:59,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:30:59,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424d5d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59, skipping insertion in model container [2024-11-27 23:30:59,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:30:59,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:30:59,644 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:30:59,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:30:59,770 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:30:59,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59 WrapperNode [2024-11-27 23:30:59,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:30:59,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:30:59,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:30:59,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:30:59,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,841 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2024-11-27 23:30:59,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:30:59,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:30:59,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:30:59,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:30:59,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,897 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]. [2024-11-27 23:30:59,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,907 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:30:59,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:30:59,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:30:59,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:30:59,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (1/1) ... [2024-11-27 23:30:59,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:30:59,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:59,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:59,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:31:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 23:31:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:31:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-27 23:31:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-27 23:31:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-27 23:31:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-27 23:31:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-27 23:31:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-27 23:31:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:31:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 23:31:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:31:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:31:00,024 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 23:31:00,225 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:31:00,227 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:31:00,497 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 23:31:00,497 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:31:00,615 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:31:00,615 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 23:31:00,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:31:00 BoogieIcfgContainer [2024-11-27 23:31:00,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:31:00,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:31:00,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:31:00,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:31:00,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:30:59" (1/3) ... [2024-11-27 23:31:00,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf9b35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:31:00, skipping insertion in model container [2024-11-27 23:31:00,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:59" (2/3) ... [2024-11-27 23:31:00,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf9b35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:31:00, skipping insertion in model container [2024-11-27 23:31:00,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:31:00" (3/3) ... [2024-11-27 23:31:00,629 INFO L128 eAbstractionObserver]: Analyzing ICFG safe030_tso.i [2024-11-27 23:31:00,648 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:31:00,650 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe030_tso.i that has 4 procedures, 42 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-27 23:31:00,650 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 23:31:00,738 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 23:31:00,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2024-11-27 23:31:00,873 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-11-27 23:31:00,877 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:31:00,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 2/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2024-11-27 23:31:00,882 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2024-11-27 23:31:00,886 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 39 transitions, 87 flow [2024-11-27 23:31:00,896 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:31:00,911 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;@6797ce9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:31:00,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-27 23:31:00,957 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 23:31:00,957 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-27 23:31:00,957 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:31:00,957 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:00,958 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:00,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:31:00,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:00,969 INFO L85 PathProgramCache]: Analyzing trace with hash -501630994, now seen corresponding path program 1 times [2024-11-27 23:31:00,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:00,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664535298] [2024-11-27 23:31:00,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:00,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:01,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:01,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:01,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664535298] [2024-11-27 23:31:01,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664535298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:01,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:01,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 23:31:01,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182628140] [2024-11-27 23:31:01,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:01,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:31:01,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:01,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:31:01,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:31:01,446 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 43 [2024-11-27 23:31:01,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-27 23:31:01,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:01,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 43 [2024-11-27 23:31:01,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:01,573 INFO L124 PetriNetUnfolderBase]: 75/219 cut-off events. [2024-11-27 23:31:01,573 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:31:01,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 219 events. 75/219 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1149 event pairs, 75 based on Foata normal form. 24/224 useless extension candidates. Maximal degree in co-relation 363. Up to 136 conditions per place. [2024-11-27 23:31:01,578 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 12 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-27 23:31:01,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 35 transitions, 107 flow [2024-11-27 23:31:01,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:31:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:31:01,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2024-11-27 23:31:01,594 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.689922480620155 [2024-11-27 23:31:01,596 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 87 flow. Second operand 3 states and 89 transitions. [2024-11-27 23:31:01,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 35 transitions, 107 flow [2024-11-27 23:31:01,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 104 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-27 23:31:01,605 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-27 23:31:01,608 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-27 23:31:01,613 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2024-11-27 23:31:01,613 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-27 23:31:01,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-27 23:31:01,613 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:01,613 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:01,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:31:01,614 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:31:01,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:01,615 INFO L85 PathProgramCache]: Analyzing trace with hash -501629625, now seen corresponding path program 1 times [2024-11-27 23:31:01,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:01,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93222661] [2024-11-27 23:31:01,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:01,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:02,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:02,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:02,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93222661] [2024-11-27 23:31:02,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93222661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:02,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:02,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:31:02,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134592642] [2024-11-27 23:31:02,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:02,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:31:02,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:02,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:31:02,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:31:02,189 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-27 23:31:02,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:02,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:02,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-27 23:31:02,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:03,133 INFO L124 PetriNetUnfolderBase]: 1998/3484 cut-off events. [2024-11-27 23:31:03,134 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:31:03,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6521 conditions, 3484 events. 1998/3484 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 23583 event pairs, 433 based on Foata normal form. 0/3345 useless extension candidates. Maximal degree in co-relation 6515. Up to 1096 conditions per place. [2024-11-27 23:31:03,171 INFO L140 encePairwiseOnDemand]: 32/43 looper letters, 30 selfloop transitions, 7 changer transitions 61/111 dead transitions. [2024-11-27 23:31:03,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 111 transitions, 430 flow [2024-11-27 23:31:03,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:31:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-27 23:31:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 253 transitions. [2024-11-27 23:31:03,178 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6537467700258398 [2024-11-27 23:31:03,180 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 9 states and 253 transitions. [2024-11-27 23:31:03,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 111 transitions, 430 flow [2024-11-27 23:31:03,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 111 transitions, 429 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:31:03,187 INFO L231 Difference]: Finished difference. Result has 58 places, 39 transitions, 171 flow [2024-11-27 23:31:03,190 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=171, PETRI_PLACES=58, PETRI_TRANSITIONS=39} [2024-11-27 23:31:03,191 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 11 predicate places. [2024-11-27 23:31:03,191 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 39 transitions, 171 flow [2024-11-27 23:31:03,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:03,192 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:03,192 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:03,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:31:03,193 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:31:03,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:03,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1971983304, now seen corresponding path program 1 times [2024-11-27 23:31:03,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:03,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755861024] [2024-11-27 23:31:03,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:03,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:03,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:03,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755861024] [2024-11-27 23:31:03,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755861024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:03,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:03,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:31:03,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559735410] [2024-11-27 23:31:03,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:03,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:31:03,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:03,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:31:03,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:31:03,664 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-27 23:31:03,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 39 transitions, 171 flow. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:03,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:03,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-27 23:31:03,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:04,469 INFO L124 PetriNetUnfolderBase]: 1395/2659 cut-off events. [2024-11-27 23:31:04,469 INFO L125 PetriNetUnfolderBase]: For 4959/4965 co-relation queries the response was YES. [2024-11-27 23:31:04,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8363 conditions, 2659 events. 1395/2659 cut-off events. For 4959/4965 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 18305 event pairs, 194 based on Foata normal form. 90/2733 useless extension candidates. Maximal degree in co-relation 8348. Up to 1010 conditions per place. [2024-11-27 23:31:04,539 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 40 selfloop transitions, 11 changer transitions 58/122 dead transitions. [2024-11-27 23:31:04,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 122 transitions, 875 flow [2024-11-27 23:31:04,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:31:04,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 23:31:04,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 272 transitions. [2024-11-27 23:31:04,543 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6325581395348837 [2024-11-27 23:31:04,544 INFO L175 Difference]: Start difference. First operand has 58 places, 39 transitions, 171 flow. Second operand 10 states and 272 transitions. [2024-11-27 23:31:04,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 122 transitions, 875 flow [2024-11-27 23:31:04,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 122 transitions, 751 flow, removed 30 selfloop flow, removed 4 redundant places. [2024-11-27 23:31:04,608 INFO L231 Difference]: Finished difference. Result has 65 places, 46 transitions, 269 flow [2024-11-27 23:31:04,609 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=269, PETRI_PLACES=65, PETRI_TRANSITIONS=46} [2024-11-27 23:31:04,610 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 18 predicate places. [2024-11-27 23:31:04,611 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 46 transitions, 269 flow [2024-11-27 23:31:04,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:04,611 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:04,611 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:04,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:31:04,612 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:31:04,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:04,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1884885466, now seen corresponding path program 1 times [2024-11-27 23:31:04,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:04,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133034639] [2024-11-27 23:31:04,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:04,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:04,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:04,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133034639] [2024-11-27 23:31:04,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133034639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:04,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:04,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:31:04,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649571683] [2024-11-27 23:31:04,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:04,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:31:04,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:04,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:31:04,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:31:04,937 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-27 23:31:04,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 46 transitions, 269 flow. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:04,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:04,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-27 23:31:04,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:05,529 INFO L124 PetriNetUnfolderBase]: 1248/2367 cut-off events. [2024-11-27 23:31:05,529 INFO L125 PetriNetUnfolderBase]: For 8192/8196 co-relation queries the response was YES. [2024-11-27 23:31:05,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8598 conditions, 2367 events. 1248/2367 cut-off events. For 8192/8196 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 15885 event pairs, 222 based on Foata normal form. 67/2402 useless extension candidates. Maximal degree in co-relation 8576. Up to 954 conditions per place. [2024-11-27 23:31:05,553 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 45 selfloop transitions, 17 changer transitions 50/125 dead transitions. [2024-11-27 23:31:05,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 125 transitions, 991 flow [2024-11-27 23:31:05,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:31:05,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 23:31:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 266 transitions. [2024-11-27 23:31:05,557 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6186046511627907 [2024-11-27 23:31:05,557 INFO L175 Difference]: Start difference. First operand has 65 places, 46 transitions, 269 flow. Second operand 10 states and 266 transitions. [2024-11-27 23:31:05,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 125 transitions, 991 flow [2024-11-27 23:31:05,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 125 transitions, 959 flow, removed 16 selfloop flow, removed 0 redundant places. [2024-11-27 23:31:05,585 INFO L231 Difference]: Finished difference. Result has 77 places, 55 transitions, 441 flow [2024-11-27 23:31:05,586 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=441, PETRI_PLACES=77, PETRI_TRANSITIONS=55} [2024-11-27 23:31:05,586 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 30 predicate places. [2024-11-27 23:31:05,587 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 55 transitions, 441 flow [2024-11-27 23:31:05,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:05,588 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:05,588 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:05,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:31:05,589 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:31:05,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:05,589 INFO L85 PathProgramCache]: Analyzing trace with hash 633977861, now seen corresponding path program 1 times [2024-11-27 23:31:05,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:05,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298338151] [2024-11-27 23:31:05,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:05,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:05,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:05,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:05,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298338151] [2024-11-27 23:31:05,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298338151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:05,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:05,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:31:05,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325714931] [2024-11-27 23:31:05,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:05,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:31:05,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:05,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:31:05,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:31:05,891 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-27 23:31:05,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 55 transitions, 441 flow. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-11-27 23:31:05,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:05,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-27 23:31:05,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:06,499 INFO L124 PetriNetUnfolderBase]: 1123/2176 cut-off events. [2024-11-27 23:31:06,500 INFO L125 PetriNetUnfolderBase]: For 12090/12096 co-relation queries the response was YES. [2024-11-27 23:31:06,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9144 conditions, 2176 events. 1123/2176 cut-off events. For 12090/12096 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 14594 event pairs, 125 based on Foata normal form. 51/2216 useless extension candidates. Maximal degree in co-relation 9111. Up to 900 conditions per place. [2024-11-27 23:31:06,524 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 44 selfloop transitions, 22 changer transitions 40/119 dead transitions. [2024-11-27 23:31:06,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 119 transitions, 1169 flow [2024-11-27 23:31:06,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:31:06,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 23:31:06,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 254 transitions. [2024-11-27 23:31:06,529 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5906976744186047 [2024-11-27 23:31:06,529 INFO L175 Difference]: Start difference. First operand has 77 places, 55 transitions, 441 flow. Second operand 10 states and 254 transitions. [2024-11-27 23:31:06,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 119 transitions, 1169 flow [2024-11-27 23:31:06,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 119 transitions, 1117 flow, removed 26 selfloop flow, removed 4 redundant places. [2024-11-27 23:31:06,572 INFO L231 Difference]: Finished difference. Result has 85 places, 63 transitions, 623 flow [2024-11-27 23:31:06,572 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=623, PETRI_PLACES=85, PETRI_TRANSITIONS=63} [2024-11-27 23:31:06,574 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 38 predicate places. [2024-11-27 23:31:06,574 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 63 transitions, 623 flow [2024-11-27 23:31:06,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-11-27 23:31:06,574 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:06,574 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:06,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:31:06,575 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:31:06,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:06,575 INFO L85 PathProgramCache]: Analyzing trace with hash 175692443, now seen corresponding path program 1 times [2024-11-27 23:31:06,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:06,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091125625] [2024-11-27 23:31:06,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:06,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:06,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:06,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091125625] [2024-11-27 23:31:06,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091125625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:06,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:06,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:31:06,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960492796] [2024-11-27 23:31:06,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:06,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:31:06,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:06,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:31:06,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:31:06,832 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-27 23:31:06,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 63 transitions, 623 flow. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:06,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:06,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-27 23:31:06,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:07,539 INFO L124 PetriNetUnfolderBase]: 1300/2549 cut-off events. [2024-11-27 23:31:07,539 INFO L125 PetriNetUnfolderBase]: For 19339/19339 co-relation queries the response was YES. [2024-11-27 23:31:07,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11715 conditions, 2549 events. 1300/2549 cut-off events. For 19339/19339 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 18542 event pairs, 203 based on Foata normal form. 50/2570 useless extension candidates. Maximal degree in co-relation 11675. Up to 688 conditions per place. [2024-11-27 23:31:07,571 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 48 selfloop transitions, 26 changer transitions 43/130 dead transitions. [2024-11-27 23:31:07,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 130 transitions, 1431 flow [2024-11-27 23:31:07,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:31:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 23:31:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 259 transitions. [2024-11-27 23:31:07,573 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6023255813953489 [2024-11-27 23:31:07,573 INFO L175 Difference]: Start difference. First operand has 85 places, 63 transitions, 623 flow. Second operand 10 states and 259 transitions. [2024-11-27 23:31:07,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 130 transitions, 1431 flow [2024-11-27 23:31:07,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 130 transitions, 1373 flow, removed 29 selfloop flow, removed 6 redundant places. [2024-11-27 23:31:07,630 INFO L231 Difference]: Finished difference. Result has 91 places, 63 transitions, 729 flow [2024-11-27 23:31:07,631 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=729, PETRI_PLACES=91, PETRI_TRANSITIONS=63} [2024-11-27 23:31:07,631 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 44 predicate places. [2024-11-27 23:31:07,632 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 63 transitions, 729 flow [2024-11-27 23:31:07,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:07,633 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:07,633 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:07,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:31:07,634 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:31:07,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:07,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1200267631, now seen corresponding path program 1 times [2024-11-27 23:31:07,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:07,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252420071] [2024-11-27 23:31:07,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:07,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:07,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:07,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:07,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252420071] [2024-11-27 23:31:07,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252420071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:07,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:07,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:31:07,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450197137] [2024-11-27 23:31:07,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:07,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:31:07,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:07,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:31:07,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:31:07,958 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-27 23:31:07,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 63 transitions, 729 flow. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:07,959 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:07,959 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-27 23:31:07,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:08,696 INFO L124 PetriNetUnfolderBase]: 1473/3012 cut-off events. [2024-11-27 23:31:08,696 INFO L125 PetriNetUnfolderBase]: For 27330/27330 co-relation queries the response was YES. [2024-11-27 23:31:08,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14341 conditions, 3012 events. 1473/3012 cut-off events. For 27330/27330 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 23658 event pairs, 249 based on Foata normal form. 50/2979 useless extension candidates. Maximal degree in co-relation 14308. Up to 912 conditions per place. [2024-11-27 23:31:08,742 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 46 selfloop transitions, 25 changer transitions 46/130 dead transitions. [2024-11-27 23:31:08,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 130 transitions, 1659 flow [2024-11-27 23:31:08,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:31:08,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 23:31:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 257 transitions. [2024-11-27 23:31:08,748 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5976744186046512 [2024-11-27 23:31:08,748 INFO L175 Difference]: Start difference. First operand has 91 places, 63 transitions, 729 flow. Second operand 10 states and 257 transitions. [2024-11-27 23:31:08,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 130 transitions, 1659 flow [2024-11-27 23:31:08,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 130 transitions, 1595 flow, removed 32 selfloop flow, removed 5 redundant places. [2024-11-27 23:31:08,819 INFO L231 Difference]: Finished difference. Result has 98 places, 62 transitions, 829 flow [2024-11-27 23:31:08,819 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=829, PETRI_PLACES=98, PETRI_TRANSITIONS=62} [2024-11-27 23:31:08,820 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 51 predicate places. [2024-11-27 23:31:08,820 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 62 transitions, 829 flow [2024-11-27 23:31:08,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:08,821 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:08,821 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:08,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:31:08,821 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:31:08,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:08,822 INFO L85 PathProgramCache]: Analyzing trace with hash 2135515553, now seen corresponding path program 1 times [2024-11-27 23:31:08,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:08,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939220506] [2024-11-27 23:31:08,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:08,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:09,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:09,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939220506] [2024-11-27 23:31:09,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939220506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:09,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:09,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:31:09,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054932358] [2024-11-27 23:31:09,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:09,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:31:09,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:09,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:31:09,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:31:09,094 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-27 23:31:09,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 62 transitions, 829 flow. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:09,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:09,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-27 23:31:09,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:09,910 INFO L124 PetriNetUnfolderBase]: 1674/3559 cut-off events. [2024-11-27 23:31:09,910 INFO L125 PetriNetUnfolderBase]: For 36984/36984 co-relation queries the response was YES. [2024-11-27 23:31:09,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16835 conditions, 3559 events. 1674/3559 cut-off events. For 36984/36984 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 30289 event pairs, 325 based on Foata normal form. 58/3554 useless extension candidates. Maximal degree in co-relation 16798. Up to 1068 conditions per place. [2024-11-27 23:31:09,950 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 41 selfloop transitions, 23 changer transitions 50/127 dead transitions. [2024-11-27 23:31:09,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 127 transitions, 1829 flow [2024-11-27 23:31:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:31:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 23:31:09,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 255 transitions. [2024-11-27 23:31:09,953 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5930232558139535 [2024-11-27 23:31:09,954 INFO L175 Difference]: Start difference. First operand has 98 places, 62 transitions, 829 flow. Second operand 10 states and 255 transitions. [2024-11-27 23:31:09,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 127 transitions, 1829 flow [2024-11-27 23:31:10,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 127 transitions, 1691 flow, removed 53 selfloop flow, removed 7 redundant places. [2024-11-27 23:31:10,079 INFO L231 Difference]: Finished difference. Result has 101 places, 57 transitions, 745 flow [2024-11-27 23:31:10,080 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=745, PETRI_PLACES=101, PETRI_TRANSITIONS=57} [2024-11-27 23:31:10,080 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 54 predicate places. [2024-11-27 23:31:10,080 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 57 transitions, 745 flow [2024-11-27 23:31:10,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:31:10,081 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:10,081 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] [2024-11-27 23:31:10,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:31:10,081 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:31:10,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:10,082 INFO L85 PathProgramCache]: Analyzing trace with hash -285954908, now seen corresponding path program 1 times [2024-11-27 23:31:10,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:10,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657650209] [2024-11-27 23:31:10,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:10,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:10,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:10,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:10,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657650209] [2024-11-27 23:31:10,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657650209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:10,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:10,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:31:10,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122414648] [2024-11-27 23:31:10,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:10,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:31:10,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:10,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:31:10,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:31:10,285 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-27 23:31:10,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 57 transitions, 745 flow. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-11-27 23:31:10,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:10,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-27 23:31:10,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:11,035 INFO L124 PetriNetUnfolderBase]: 2587/4981 cut-off events. [2024-11-27 23:31:11,035 INFO L125 PetriNetUnfolderBase]: For 14456/14647 co-relation queries the response was YES. [2024-11-27 23:31:11,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13315 conditions, 4981 events. 2587/4981 cut-off events. For 14456/14647 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 40007 event pairs, 778 based on Foata normal form. 237/4976 useless extension candidates. Maximal degree in co-relation 13277. Up to 2405 conditions per place. [2024-11-27 23:31:11,090 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 27 selfloop transitions, 5 changer transitions 0/72 dead transitions. [2024-11-27 23:31:11,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 72 transitions, 843 flow [2024-11-27 23:31:11,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:31:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-27 23:31:11,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 118 transitions. [2024-11-27 23:31:11,092 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.686046511627907 [2024-11-27 23:31:11,092 INFO L175 Difference]: Start difference. First operand has 101 places, 57 transitions, 745 flow. Second operand 4 states and 118 transitions. [2024-11-27 23:31:11,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 72 transitions, 843 flow [2024-11-27 23:31:11,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 72 transitions, 750 flow, removed 16 selfloop flow, removed 13 redundant places. [2024-11-27 23:31:11,166 INFO L231 Difference]: Finished difference. Result has 87 places, 61 transitions, 690 flow [2024-11-27 23:31:11,167 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=690, PETRI_PLACES=87, PETRI_TRANSITIONS=61} [2024-11-27 23:31:11,167 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 40 predicate places. [2024-11-27 23:31:11,169 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 61 transitions, 690 flow [2024-11-27 23:31:11,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-11-27 23:31:11,169 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:11,170 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] [2024-11-27 23:31:11,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:31:11,170 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:31:11,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:11,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1806013601, now seen corresponding path program 1 times [2024-11-27 23:31:11,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:11,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083212101] [2024-11-27 23:31:11,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:11,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:11,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:11,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083212101] [2024-11-27 23:31:11,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083212101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:11,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:11,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:31:11,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978142172] [2024-11-27 23:31:11,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:11,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:31:11,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:11,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:31:11,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:31:11,362 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-27 23:31:11,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 61 transitions, 690 flow. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 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) [2024-11-27 23:31:11,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:11,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-27 23:31:11,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:11,991 INFO L124 PetriNetUnfolderBase]: 1964/3752 cut-off events. [2024-11-27 23:31:11,991 INFO L125 PetriNetUnfolderBase]: For 3311/4256 co-relation queries the response was YES. [2024-11-27 23:31:12,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10086 conditions, 3752 events. 1964/3752 cut-off events. For 3311/4256 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 28288 event pairs, 193 based on Foata normal form. 273/3843 useless extension candidates. Maximal degree in co-relation 10056. Up to 1820 conditions per place. [2024-11-27 23:31:12,021 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 31 selfloop transitions, 8 changer transitions 4/82 dead transitions. [2024-11-27 23:31:12,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 82 transitions, 837 flow [2024-11-27 23:31:12,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:31:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 23:31:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 149 transitions. [2024-11-27 23:31:12,023 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6930232558139535 [2024-11-27 23:31:12,023 INFO L175 Difference]: Start difference. First operand has 87 places, 61 transitions, 690 flow. Second operand 5 states and 149 transitions. [2024-11-27 23:31:12,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 82 transitions, 837 flow [2024-11-27 23:31:12,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 82 transitions, 802 flow, removed 16 selfloop flow, removed 4 redundant places. [2024-11-27 23:31:12,044 INFO L231 Difference]: Finished difference. Result has 89 places, 64 transitions, 697 flow [2024-11-27 23:31:12,045 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=697, PETRI_PLACES=89, PETRI_TRANSITIONS=64} [2024-11-27 23:31:12,046 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 42 predicate places. [2024-11-27 23:31:12,047 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 64 transitions, 697 flow [2024-11-27 23:31:12,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 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) [2024-11-27 23:31:12,048 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:12,048 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] [2024-11-27 23:31:12,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:31:12,048 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:31:12,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2078207800, now seen corresponding path program 1 times [2024-11-27 23:31:12,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:12,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173997985] [2024-11-27 23:31:12,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:12,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:12,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:12,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173997985] [2024-11-27 23:31:12,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173997985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:12,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:12,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:31:12,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707518639] [2024-11-27 23:31:12,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:12,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:31:12,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:12,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:31:12,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:31:12,249 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-27 23:31:12,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 64 transitions, 697 flow. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 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) [2024-11-27 23:31:12,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:12,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-27 23:31:12,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:12,766 INFO L124 PetriNetUnfolderBase]: 1596/2962 cut-off events. [2024-11-27 23:31:12,766 INFO L125 PetriNetUnfolderBase]: For 5467/7375 co-relation queries the response was YES. [2024-11-27 23:31:12,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9661 conditions, 2962 events. 1596/2962 cut-off events. For 5467/7375 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 21336 event pairs, 88 based on Foata normal form. 252/3052 useless extension candidates. Maximal degree in co-relation 9632. Up to 1256 conditions per place. [2024-11-27 23:31:12,781 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 0 selfloop transitions, 0 changer transitions 78/78 dead transitions. [2024-11-27 23:31:12,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 78 transitions, 806 flow [2024-11-27 23:31:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:31:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:31:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 170 transitions. [2024-11-27 23:31:12,783 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6589147286821705 [2024-11-27 23:31:12,783 INFO L175 Difference]: Start difference. First operand has 89 places, 64 transitions, 697 flow. Second operand 6 states and 170 transitions. [2024-11-27 23:31:12,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 78 transitions, 806 flow [2024-11-27 23:31:12,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 78 transitions, 759 flow, removed 7 selfloop flow, removed 8 redundant places. [2024-11-27 23:31:12,794 INFO L231 Difference]: Finished difference. Result has 81 places, 0 transitions, 0 flow [2024-11-27 23:31:12,794 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=81, PETRI_TRANSITIONS=0} [2024-11-27 23:31:12,795 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 34 predicate places. [2024-11-27 23:31:12,795 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 0 transitions, 0 flow [2024-11-27 23:31:12,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 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) [2024-11-27 23:31:12,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-27 23:31:12,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-27 23:31:12,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-27 23:31:12,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-27 23:31:12,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-27 23:31:12,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:31:12,804 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:12,809 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 23:31:12,810 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:31:12,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:31:12 BasicIcfg [2024-11-27 23:31:12,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:31:12,821 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:31:12,821 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:31:12,821 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:31:12,822 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:31:00" (3/4) ... [2024-11-27 23:31:12,825 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:31:12,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-27 23:31:12,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-27 23:31:12,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-27 23:31:12,837 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-27 23:31:12,837 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-27 23:31:12,837 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 23:31:12,837 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 23:31:12,941 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:31:12,941 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:31:12,941 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:31:12,942 INFO L158 Benchmark]: Toolchain (without parser) took 13936.96ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 92.4MB in the beginning and 351.9MB in the end (delta: -259.5MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2024-11-27 23:31:12,943 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:31:12,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.64ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 72.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:31:12,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.85ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:31:12,945 INFO L158 Benchmark]: Boogie Preprocessor took 83.10ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 68.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:31:12,945 INFO L158 Benchmark]: RCFGBuilder took 688.05ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 50.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:31:12,946 INFO L158 Benchmark]: TraceAbstraction took 12201.57ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 50.0MB in the beginning and 356.2MB in the end (delta: -306.2MB). Peak memory consumption was 235.4MB. Max. memory is 16.1GB. [2024-11-27 23:31:12,946 INFO L158 Benchmark]: Witness Printer took 120.30ms. Allocated memory is still 427.8MB. Free memory was 356.2MB in the beginning and 351.9MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:31:12,949 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.64ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 72.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.85ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 83.10ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 68.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 688.05ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 50.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12201.57ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 50.0MB in the beginning and 356.2MB in the end (delta: -306.2MB). Peak memory consumption was 235.4MB. Max. memory is 16.1GB. * Witness Printer took 120.30ms. Allocated memory is still 427.8MB. Free memory was 356.2MB in the beginning and 351.9MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 772]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 66 locations, 5 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: 12.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 510 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 468 mSDsluCounter, 411 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 299 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1007 IncrementalHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 112 mSDtfsCounter, 1007 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=829occurred in iteration=7, InterpolantAutomatonStates: 87, 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, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 23:31:12,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcdac64-6757-46a3-be10-7fde2d2233e9/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