./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_13.c --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_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/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_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/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_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/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 8fd6142dd23f608c3bc9ae24389b4aee583128e9e6b549483298584de0c08ecd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:30:31,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:30:31,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 03:30:31,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:30:31,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:30:31,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:30:31,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:30:31,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:30:31,780 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:30:31,780 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:30:31,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:30:31,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:30:31,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:30:31,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:30:31,783 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:30:31,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:30:31,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:30:31,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:30:31,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:30:31,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:30:31,784 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:30:31,784 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:30:31,784 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:30:31,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:30:31,784 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:30:31,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:30:31,785 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:30:31,785 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:30:31,785 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:30:31,785 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:30:31,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:31,785 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:31,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:31,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:31,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:30:31,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:31,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:31,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:31,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:31,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:30:31,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:30:31,787 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:30:31,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:30:31,787 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:30:31,787 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:30:31,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:30:31,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:30:31,788 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_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/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 -> 8fd6142dd23f608c3bc9ae24389b4aee583128e9e6b549483298584de0c08ecd [2024-11-28 03:30:32,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:30:32,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:30:32,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:30:32,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:30:32,158 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:30:32,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/locks/test_locks_13.c [2024-11-28 03:30:35,164 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/data/23212969d/5156cbc827b64cc2a043412ff65d931f/FLAG2d289f92d [2024-11-28 03:30:35,478 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:30:35,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/sv-benchmarks/c/locks/test_locks_13.c [2024-11-28 03:30:35,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/data/23212969d/5156cbc827b64cc2a043412ff65d931f/FLAG2d289f92d [2024-11-28 03:30:35,515 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/data/23212969d/5156cbc827b64cc2a043412ff65d931f [2024-11-28 03:30:35,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:30:35,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:30:35,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:35,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:30:35,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:30:35,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a94c752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35, skipping insertion in model container [2024-11-28 03:30:35,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:30:35,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:35,786 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:30:35,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:35,843 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:30:35,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35 WrapperNode [2024-11-28 03:30:35,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:35,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:35,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:30:35,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:30:35,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,891 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 184 [2024-11-28 03:30:35,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:35,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:30:35,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:30:35,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:30:35,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,922 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:30:35,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,926 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:30:35,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:30:35,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:30:35,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:30:35,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (1/1) ... [2024-11-28 03:30:35,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:35,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:35,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:30:35,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:30:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:30:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:30:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:30:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:30:36,103 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:30:36,105 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:30:36,463 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-28 03:30:36,463 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:30:36,482 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:30:36,483 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:30:36,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:36 BoogieIcfgContainer [2024-11-28 03:30:36,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:30:36,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:30:36,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:30:36,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:30:36,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:30:35" (1/3) ... [2024-11-28 03:30:36,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d34f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:36, skipping insertion in model container [2024-11-28 03:30:36,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:35" (2/3) ... [2024-11-28 03:30:36,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d34f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:36, skipping insertion in model container [2024-11-28 03:30:36,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:36" (3/3) ... [2024-11-28 03:30:36,496 INFO L128 eAbstractionObserver]: Analyzing ICFG test_locks_13.c [2024-11-28 03:30:36,519 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:30:36,521 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test_locks_13.c that has 1 procedures, 52 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-28 03:30:36,579 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:30:36,602 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;@45e35290, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:30:36,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 03:30:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 49 states have (on average 1.8979591836734695) internal successors, (93), 51 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 03:30:36,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:36,613 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 03:30:36,613 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:36,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:36,618 INFO L85 PathProgramCache]: Analyzing trace with hash 28705102, now seen corresponding path program 1 times [2024-11-28 03:30:36,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:36,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909028525] [2024-11-28 03:30:36,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:36,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:36,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:36,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:36,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909028525] [2024-11-28 03:30:36,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909028525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:36,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:36,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:30:36,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036198409] [2024-11-28 03:30:36,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:36,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:30:36,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:36,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:30:36,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:30:36,841 INFO L87 Difference]: Start difference. First operand has 52 states, 49 states have (on average 1.8979591836734695) internal successors, (93), 51 states have internal predecessors, (93), 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:36,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:36,860 INFO L93 Difference]: Finished difference Result 51 states and 89 transitions. [2024-11-28 03:30:36,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:30:36,862 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2024-11-28 03:30:36,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:36,870 INFO L225 Difference]: With dead ends: 51 [2024-11-28 03:30:36,871 INFO L226 Difference]: Without dead ends: 49 [2024-11-28 03:30:36,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:30:36,879 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:36,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:36,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-28 03:30:36,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-28 03:30:36,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 47 states have (on average 1.851063829787234) internal successors, (87), 48 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:36,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 87 transitions. [2024-11-28 03:30:36,925 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 87 transitions. Word has length 5 [2024-11-28 03:30:36,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:36,926 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 87 transitions. [2024-11-28 03:30:36,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:36,927 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2024-11-28 03:30:36,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 03:30:36,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:36,928 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:30:36,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:30:36,928 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:36,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:36,929 INFO L85 PathProgramCache]: Analyzing trace with hash 889699598, now seen corresponding path program 1 times [2024-11-28 03:30:36,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:36,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371453436] [2024-11-28 03:30:36,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:36,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:37,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:37,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371453436] [2024-11-28 03:30:37,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371453436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:37,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:37,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:30:37,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117462453] [2024-11-28 03:30:37,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:37,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:37,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:37,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:37,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,038 INFO L87 Difference]: Start difference. First operand 49 states and 87 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:37,056 INFO L93 Difference]: Finished difference Result 48 states and 86 transitions. [2024-11-28 03:30:37,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:37,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2024-11-28 03:30:37,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:37,059 INFO L225 Difference]: With dead ends: 48 [2024-11-28 03:30:37,059 INFO L226 Difference]: Without dead ends: 46 [2024-11-28 03:30:37,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,060 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 81 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:37,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-28 03:30:37,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-28 03:30:37,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.8666666666666667) internal successors, (84), 45 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 84 transitions. [2024-11-28 03:30:37,072 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 84 transitions. Word has length 6 [2024-11-28 03:30:37,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:37,072 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 84 transitions. [2024-11-28 03:30:37,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,073 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2024-11-28 03:30:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-28 03:30:37,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:37,074 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:37,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:30:37,075 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:37,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:37,075 INFO L85 PathProgramCache]: Analyzing trace with hash 792944727, now seen corresponding path program 1 times [2024-11-28 03:30:37,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:37,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993966701] [2024-11-28 03:30:37,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:37,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:37,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:37,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993966701] [2024-11-28 03:30:37,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993966701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:37,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:37,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:37,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478485560] [2024-11-28 03:30:37,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:37,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:37,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:37,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:37,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,194 INFO L87 Difference]: Start difference. First operand 46 states and 84 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:37,223 INFO L93 Difference]: Finished difference Result 89 states and 163 transitions. [2024-11-28 03:30:37,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:37,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) Word has length 21 [2024-11-28 03:30:37,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:37,225 INFO L225 Difference]: With dead ends: 89 [2024-11-28 03:30:37,225 INFO L226 Difference]: Without dead ends: 89 [2024-11-28 03:30:37,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,228 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 64 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:37,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 166 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:37,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-28 03:30:37,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 60. [2024-11-28 03:30:37,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.88135593220339) internal successors, (111), 59 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 111 transitions. [2024-11-28 03:30:37,244 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 111 transitions. Word has length 21 [2024-11-28 03:30:37,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:37,245 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 111 transitions. [2024-11-28 03:30:37,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,245 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2024-11-28 03:30:37,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-28 03:30:37,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:37,246 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:37,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:30:37,246 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:37,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:37,247 INFO L85 PathProgramCache]: Analyzing trace with hash -795403175, now seen corresponding path program 1 times [2024-11-28 03:30:37,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:37,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360706982] [2024-11-28 03:30:37,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:37,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:37,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:37,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:37,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360706982] [2024-11-28 03:30:37,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360706982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:37,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:37,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:37,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866204942] [2024-11-28 03:30:37,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:37,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:37,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:37,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:37,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,363 INFO L87 Difference]: Start difference. First operand 60 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:37,400 INFO L93 Difference]: Finished difference Result 89 states and 161 transitions. [2024-11-28 03:30:37,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:37,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) Word has length 21 [2024-11-28 03:30:37,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:37,402 INFO L225 Difference]: With dead ends: 89 [2024-11-28 03:30:37,402 INFO L226 Difference]: Without dead ends: 89 [2024-11-28 03:30:37,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,403 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 64 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:37,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 187 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:37,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-28 03:30:37,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2024-11-28 03:30:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 85 states have (on average 1.8705882352941177) internal successors, (159), 85 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 159 transitions. [2024-11-28 03:30:37,424 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 159 transitions. Word has length 21 [2024-11-28 03:30:37,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:37,425 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 159 transitions. [2024-11-28 03:30:37,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,425 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 159 transitions. [2024-11-28 03:30:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 03:30:37,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:37,426 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:37,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:30:37,426 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:37,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:37,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1181940903, now seen corresponding path program 1 times [2024-11-28 03:30:37,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:37,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778789964] [2024-11-28 03:30:37,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:37,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:37,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:37,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778789964] [2024-11-28 03:30:37,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778789964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:37,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:37,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:37,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882955274] [2024-11-28 03:30:37,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:37,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:37,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:37,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:37,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,559 INFO L87 Difference]: Start difference. First operand 86 states and 159 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:37,598 INFO L93 Difference]: Finished difference Result 92 states and 163 transitions. [2024-11-28 03:30:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:37,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) Word has length 22 [2024-11-28 03:30:37,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:37,600 INFO L225 Difference]: With dead ends: 92 [2024-11-28 03:30:37,600 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 03:30:37,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,601 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 66 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:37,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 211 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:37,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 03:30:37,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2024-11-28 03:30:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.8295454545454546) internal successors, (161), 88 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 161 transitions. [2024-11-28 03:30:37,615 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 161 transitions. Word has length 22 [2024-11-28 03:30:37,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:37,616 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 161 transitions. [2024-11-28 03:30:37,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,616 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 161 transitions. [2024-11-28 03:30:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 03:30:37,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:37,616 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:37,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:30:37,617 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:37,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:37,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1118881687, now seen corresponding path program 1 times [2024-11-28 03:30:37,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:37,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684760898] [2024-11-28 03:30:37,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:37,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:37,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:37,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684760898] [2024-11-28 03:30:37,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684760898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:37,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:37,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:37,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537657081] [2024-11-28 03:30:37,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:37,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:37,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:37,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:37,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,709 INFO L87 Difference]: Start difference. First operand 89 states and 161 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:37,741 INFO L93 Difference]: Finished difference Result 169 states and 308 transitions. [2024-11-28 03:30:37,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:37,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) Word has length 22 [2024-11-28 03:30:37,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:37,743 INFO L225 Difference]: With dead ends: 169 [2024-11-28 03:30:37,743 INFO L226 Difference]: Without dead ends: 169 [2024-11-28 03:30:37,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,744 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 61 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:37,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 164 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:37,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-28 03:30:37,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 118. [2024-11-28 03:30:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.829059829059829) internal successors, (214), 117 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 214 transitions. [2024-11-28 03:30:37,765 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 214 transitions. Word has length 22 [2024-11-28 03:30:37,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:37,765 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 214 transitions. [2024-11-28 03:30:37,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 214 transitions. [2024-11-28 03:30:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 03:30:37,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:37,766 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:37,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:30:37,768 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:37,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:37,770 INFO L85 PathProgramCache]: Analyzing trace with hash -469466215, now seen corresponding path program 1 times [2024-11-28 03:30:37,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:37,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039076899] [2024-11-28 03:30:37,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:37,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:37,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:37,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039076899] [2024-11-28 03:30:37,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039076899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:37,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:37,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:37,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816345423] [2024-11-28 03:30:37,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:37,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:37,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:37,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:37,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,839 INFO L87 Difference]: Start difference. First operand 118 states and 214 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:37,872 INFO L93 Difference]: Finished difference Result 171 states and 306 transitions. [2024-11-28 03:30:37,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:37,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) Word has length 22 [2024-11-28 03:30:37,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:37,874 INFO L225 Difference]: With dead ends: 171 [2024-11-28 03:30:37,874 INFO L226 Difference]: Without dead ends: 171 [2024-11-28 03:30:37,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,875 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 63 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:37,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 188 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:37,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-28 03:30:37,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2024-11-28 03:30:37,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.8203592814371257) internal successors, (304), 167 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 304 transitions. [2024-11-28 03:30:37,891 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 304 transitions. Word has length 22 [2024-11-28 03:30:37,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:37,891 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 304 transitions. [2024-11-28 03:30:37,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 304 transitions. [2024-11-28 03:30:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-28 03:30:37,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:37,894 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:37,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:30:37,895 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:37,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:37,895 INFO L85 PathProgramCache]: Analyzing trace with hash 332180836, now seen corresponding path program 1 times [2024-11-28 03:30:37,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:37,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118378519] [2024-11-28 03:30:37,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:37,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:37,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:37,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118378519] [2024-11-28 03:30:37,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118378519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:37,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:37,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:37,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525366537] [2024-11-28 03:30:37,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:37,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:37,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:37,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:37,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,956 INFO L87 Difference]: Start difference. First operand 168 states and 304 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:37,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:37,980 INFO L93 Difference]: Finished difference Result 173 states and 306 transitions. [2024-11-28 03:30:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:37,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) Word has length 23 [2024-11-28 03:30:37,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:37,982 INFO L225 Difference]: With dead ends: 173 [2024-11-28 03:30:37,985 INFO L226 Difference]: Without dead ends: 173 [2024-11-28 03:30:37,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:37,987 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 65 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:37,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 207 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:37,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-28 03:30:37,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-28 03:30:38,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.7988165680473374) internal successors, (304), 169 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 304 transitions. [2024-11-28 03:30:38,002 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 304 transitions. Word has length 23 [2024-11-28 03:30:38,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:38,003 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 304 transitions. [2024-11-28 03:30:38,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,003 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 304 transitions. [2024-11-28 03:30:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-28 03:30:38,004 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:38,004 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:38,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:30:38,004 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:38,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:38,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1661963870, now seen corresponding path program 1 times [2024-11-28 03:30:38,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:38,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440474283] [2024-11-28 03:30:38,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:38,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:38,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:38,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440474283] [2024-11-28 03:30:38,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440474283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:38,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:38,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:38,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561146037] [2024-11-28 03:30:38,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:38,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:38,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:38,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:38,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,067 INFO L87 Difference]: Start difference. First operand 170 states and 304 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:38,098 INFO L93 Difference]: Finished difference Result 329 states and 582 transitions. [2024-11-28 03:30:38,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:38,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) Word has length 23 [2024-11-28 03:30:38,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:38,100 INFO L225 Difference]: With dead ends: 329 [2024-11-28 03:30:38,100 INFO L226 Difference]: Without dead ends: 329 [2024-11-28 03:30:38,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,101 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 63 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:38,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 166 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:38,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-28 03:30:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 326. [2024-11-28 03:30:38,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 325 states have (on average 1.7846153846153847) internal successors, (580), 325 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 580 transitions. [2024-11-28 03:30:38,129 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 580 transitions. Word has length 23 [2024-11-28 03:30:38,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:38,129 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 580 transitions. [2024-11-28 03:30:38,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 580 transitions. [2024-11-28 03:30:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-28 03:30:38,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:38,131 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:38,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:30:38,131 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:38,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:38,131 INFO L85 PathProgramCache]: Analyzing trace with hash -73615968, now seen corresponding path program 1 times [2024-11-28 03:30:38,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:38,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292921687] [2024-11-28 03:30:38,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:38,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:38,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:38,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292921687] [2024-11-28 03:30:38,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292921687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:38,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:38,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:38,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747478800] [2024-11-28 03:30:38,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:38,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:38,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:38,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:38,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,202 INFO L87 Difference]: Start difference. First operand 326 states and 580 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:38,226 INFO L93 Difference]: Finished difference Result 417 states and 746 transitions. [2024-11-28 03:30:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:38,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) Word has length 23 [2024-11-28 03:30:38,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:38,228 INFO L225 Difference]: With dead ends: 417 [2024-11-28 03:30:38,228 INFO L226 Difference]: Without dead ends: 417 [2024-11-28 03:30:38,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,233 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 58 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:38,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 227 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:38,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-28 03:30:38,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 326. [2024-11-28 03:30:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 325 states have (on average 1.7723076923076924) internal successors, (576), 325 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 576 transitions. [2024-11-28 03:30:38,250 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 576 transitions. Word has length 23 [2024-11-28 03:30:38,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:38,250 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 576 transitions. [2024-11-28 03:30:38,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,250 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 576 transitions. [2024-11-28 03:30:38,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-28 03:30:38,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:38,252 INFO L218 NwaCegarLoop]: 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] [2024-11-28 03:30:38,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:30:38,252 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:38,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:38,252 INFO L85 PathProgramCache]: Analyzing trace with hash 25325060, now seen corresponding path program 1 times [2024-11-28 03:30:38,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:38,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432545542] [2024-11-28 03:30:38,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:38,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:38,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:38,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432545542] [2024-11-28 03:30:38,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432545542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:38,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:38,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:38,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522070675] [2024-11-28 03:30:38,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:38,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:38,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:38,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:38,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,312 INFO L87 Difference]: Start difference. First operand 326 states and 576 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:38,339 INFO L93 Difference]: Finished difference Result 613 states and 1090 transitions. [2024-11-28 03:30:38,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:38,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Word has length 24 [2024-11-28 03:30:38,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:38,342 INFO L225 Difference]: With dead ends: 613 [2024-11-28 03:30:38,342 INFO L226 Difference]: Without dead ends: 613 [2024-11-28 03:30:38,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,343 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 55 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:38,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 160 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:38,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-28 03:30:38,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 450. [2024-11-28 03:30:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 449 states have (on average 1.7461024498886415) internal successors, (784), 449 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 784 transitions. [2024-11-28 03:30:38,369 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 784 transitions. Word has length 24 [2024-11-28 03:30:38,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:38,370 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 784 transitions. [2024-11-28 03:30:38,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 784 transitions. [2024-11-28 03:30:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-28 03:30:38,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:38,372 INFO L218 NwaCegarLoop]: 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] [2024-11-28 03:30:38,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:30:38,372 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:38,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:38,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1563022842, now seen corresponding path program 1 times [2024-11-28 03:30:38,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:38,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838784337] [2024-11-28 03:30:38,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:38,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:38,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:38,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:38,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838784337] [2024-11-28 03:30:38,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838784337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:38,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:38,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:38,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869971907] [2024-11-28 03:30:38,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:38,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:38,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:38,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:38,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,421 INFO L87 Difference]: Start difference. First operand 450 states and 784 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:38,448 INFO L93 Difference]: Finished difference Result 637 states and 1102 transitions. [2024-11-28 03:30:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:38,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Word has length 24 [2024-11-28 03:30:38,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:38,451 INFO L225 Difference]: With dead ends: 637 [2024-11-28 03:30:38,451 INFO L226 Difference]: Without dead ends: 637 [2024-11-28 03:30:38,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,452 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:38,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 190 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:38,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-28 03:30:38,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 634. [2024-11-28 03:30:38,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 633 states have (on average 1.7377567140600316) internal successors, (1100), 633 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1100 transitions. [2024-11-28 03:30:38,488 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1100 transitions. Word has length 24 [2024-11-28 03:30:38,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:38,488 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 1100 transitions. [2024-11-28 03:30:38,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,488 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1100 transitions. [2024-11-28 03:30:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 03:30:38,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:38,489 INFO L218 NwaCegarLoop]: 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] [2024-11-28 03:30:38,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:30:38,492 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:38,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:38,494 INFO L85 PathProgramCache]: Analyzing trace with hash 791684909, now seen corresponding path program 1 times [2024-11-28 03:30:38,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:38,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710273625] [2024-11-28 03:30:38,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:38,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:38,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:38,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:38,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710273625] [2024-11-28 03:30:38,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710273625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:38,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:38,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:38,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750825556] [2024-11-28 03:30:38,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:38,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:38,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:38,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:38,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,577 INFO L87 Difference]: Start difference. First operand 634 states and 1100 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:38,601 INFO L93 Difference]: Finished difference Result 649 states and 1110 transitions. [2024-11-28 03:30:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:38,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) Word has length 25 [2024-11-28 03:30:38,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:38,604 INFO L225 Difference]: With dead ends: 649 [2024-11-28 03:30:38,604 INFO L226 Difference]: Without dead ends: 649 [2024-11-28 03:30:38,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,606 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 63 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:38,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 199 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:38,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-11-28 03:30:38,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 646. [2024-11-28 03:30:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 645 states have (on average 1.7178294573643411) internal successors, (1108), 645 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1108 transitions. [2024-11-28 03:30:38,633 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1108 transitions. Word has length 25 [2024-11-28 03:30:38,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:38,633 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 1108 transitions. [2024-11-28 03:30:38,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1108 transitions. [2024-11-28 03:30:38,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 03:30:38,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:38,634 INFO L218 NwaCegarLoop]: 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] [2024-11-28 03:30:38,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:30:38,635 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:38,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:38,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1202459797, now seen corresponding path program 1 times [2024-11-28 03:30:38,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:38,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613634681] [2024-11-28 03:30:38,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:38,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:38,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:38,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613634681] [2024-11-28 03:30:38,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613634681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:38,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:38,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:38,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936730716] [2024-11-28 03:30:38,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:38,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:38,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:38,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:38,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,686 INFO L87 Difference]: Start difference. First operand 646 states and 1108 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:38,709 INFO L93 Difference]: Finished difference Result 1193 states and 2062 transitions. [2024-11-28 03:30:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:38,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) Word has length 25 [2024-11-28 03:30:38,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:38,715 INFO L225 Difference]: With dead ends: 1193 [2024-11-28 03:30:38,715 INFO L226 Difference]: Without dead ends: 1193 [2024-11-28 03:30:38,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,717 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 52 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:38,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 158 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:38,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-28 03:30:38,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 902. [2024-11-28 03:30:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 901 states have (on average 1.6825749167591566) internal successors, (1516), 901 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1516 transitions. [2024-11-28 03:30:38,747 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1516 transitions. Word has length 25 [2024-11-28 03:30:38,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:38,747 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1516 transitions. [2024-11-28 03:30:38,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1516 transitions. [2024-11-28 03:30:38,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 03:30:38,750 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:38,750 INFO L218 NwaCegarLoop]: 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] [2024-11-28 03:30:38,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:30:38,751 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:38,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:38,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1504159597, now seen corresponding path program 1 times [2024-11-28 03:30:38,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:38,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259259105] [2024-11-28 03:30:38,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:38,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:38,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:38,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259259105] [2024-11-28 03:30:38,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259259105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:38,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:38,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:38,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406020309] [2024-11-28 03:30:38,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:38,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:38,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:38,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:38,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,796 INFO L87 Difference]: Start difference. First operand 902 states and 1516 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:38,826 INFO L93 Difference]: Finished difference Result 1257 states and 2102 transitions. [2024-11-28 03:30:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:38,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) Word has length 25 [2024-11-28 03:30:38,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:38,831 INFO L225 Difference]: With dead ends: 1257 [2024-11-28 03:30:38,831 INFO L226 Difference]: Without dead ends: 1257 [2024-11-28 03:30:38,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,834 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 60 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:38,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 191 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:38,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2024-11-28 03:30:38,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1254. [2024-11-28 03:30:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 1253 states have (on average 1.675977653631285) internal successors, (2100), 1253 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 2100 transitions. [2024-11-28 03:30:38,874 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 2100 transitions. Word has length 25 [2024-11-28 03:30:38,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:38,875 INFO L471 AbstractCegarLoop]: Abstraction has 1254 states and 2100 transitions. [2024-11-28 03:30:38,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 2100 transitions. [2024-11-28 03:30:38,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 03:30:38,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:38,878 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:38,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:30:38,879 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:38,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:38,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1385070577, now seen corresponding path program 1 times [2024-11-28 03:30:38,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:38,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686095145] [2024-11-28 03:30:38,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:38,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:38,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:38,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686095145] [2024-11-28 03:30:38,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686095145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:38,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:38,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:38,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493837864] [2024-11-28 03:30:38,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:38,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:38,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:38,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:38,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,921 INFO L87 Difference]: Start difference. First operand 1254 states and 2100 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:38,953 INFO L93 Difference]: Finished difference Result 1273 states and 2102 transitions. [2024-11-28 03:30:38,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:38,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) Word has length 26 [2024-11-28 03:30:38,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:38,958 INFO L225 Difference]: With dead ends: 1273 [2024-11-28 03:30:38,959 INFO L226 Difference]: Without dead ends: 1273 [2024-11-28 03:30:38,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:38,960 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 62 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:38,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 195 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:38,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2024-11-28 03:30:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1270. [2024-11-28 03:30:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 1269 states have (on average 1.6548463356973995) internal successors, (2100), 1269 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 2100 transitions. [2024-11-28 03:30:38,993 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 2100 transitions. Word has length 26 [2024-11-28 03:30:38,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:38,993 INFO L471 AbstractCegarLoop]: Abstraction has 1270 states and 2100 transitions. [2024-11-28 03:30:38,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 2100 transitions. [2024-11-28 03:30:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 03:30:38,996 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:38,996 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:38,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:30:38,997 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:38,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:38,998 INFO L85 PathProgramCache]: Analyzing trace with hash -609074129, now seen corresponding path program 1 times [2024-11-28 03:30:38,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:38,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622637787] [2024-11-28 03:30:38,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:38,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:39,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:39,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622637787] [2024-11-28 03:30:39,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622637787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:39,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:39,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:39,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354570114] [2024-11-28 03:30:39,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:39,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:39,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:39,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:39,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:39,046 INFO L87 Difference]: Start difference. First operand 1270 states and 2100 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:39,080 INFO L93 Difference]: Finished difference Result 2313 states and 3862 transitions. [2024-11-28 03:30:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:39,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) Word has length 26 [2024-11-28 03:30:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:39,108 INFO L225 Difference]: With dead ends: 2313 [2024-11-28 03:30:39,109 INFO L226 Difference]: Without dead ends: 2313 [2024-11-28 03:30:39,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:39,110 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 49 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:39,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 156 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:39,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2313 states. [2024-11-28 03:30:39,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2313 to 1798. [2024-11-28 03:30:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1798 states, 1797 states have (on average 1.613800779076238) internal successors, (2900), 1797 states have internal predecessors, (2900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1798 states and 2900 transitions. [2024-11-28 03:30:39,161 INFO L78 Accepts]: Start accepts. Automaton has 1798 states and 2900 transitions. Word has length 26 [2024-11-28 03:30:39,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:39,161 INFO L471 AbstractCegarLoop]: Abstraction has 1798 states and 2900 transitions. [2024-11-28 03:30:39,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2900 transitions. [2024-11-28 03:30:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 03:30:39,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:39,165 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:39,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:30:39,166 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:39,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:39,167 INFO L85 PathProgramCache]: Analyzing trace with hash 2097545265, now seen corresponding path program 1 times [2024-11-28 03:30:39,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:39,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157563169] [2024-11-28 03:30:39,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:39,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:39,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:39,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157563169] [2024-11-28 03:30:39,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157563169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:39,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:39,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:39,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500795171] [2024-11-28 03:30:39,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:39,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:39,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:39,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:39,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:39,206 INFO L87 Difference]: Start difference. First operand 1798 states and 2900 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:39,236 INFO L93 Difference]: Finished difference Result 2473 states and 3974 transitions. [2024-11-28 03:30:39,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:39,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) Word has length 26 [2024-11-28 03:30:39,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:39,244 INFO L225 Difference]: With dead ends: 2473 [2024-11-28 03:30:39,245 INFO L226 Difference]: Without dead ends: 2473 [2024-11-28 03:30:39,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:39,245 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 59 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:39,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 192 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:39,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2473 states. [2024-11-28 03:30:39,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2473 to 2470. [2024-11-28 03:30:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2470 states, 2469 states have (on average 1.608748481166464) internal successors, (3972), 2469 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2470 states and 3972 transitions. [2024-11-28 03:30:39,304 INFO L78 Accepts]: Start accepts. Automaton has 2470 states and 3972 transitions. Word has length 26 [2024-11-28 03:30:39,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:39,304 INFO L471 AbstractCegarLoop]: Abstraction has 2470 states and 3972 transitions. [2024-11-28 03:30:39,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 3972 transitions. [2024-11-28 03:30:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 03:30:39,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:39,307 INFO L218 NwaCegarLoop]: 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] [2024-11-28 03:30:39,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:30:39,308 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:39,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:39,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1694799624, now seen corresponding path program 1 times [2024-11-28 03:30:39,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:39,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733309042] [2024-11-28 03:30:39,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:39,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:39,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:39,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733309042] [2024-11-28 03:30:39,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733309042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:39,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:39,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:39,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122136944] [2024-11-28 03:30:39,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:39,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:39,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:39,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:39,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:39,349 INFO L87 Difference]: Start difference. First operand 2470 states and 3972 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:39,381 INFO L93 Difference]: Finished difference Result 2505 states and 3974 transitions. [2024-11-28 03:30:39,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:39,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 27 [2024-11-28 03:30:39,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:39,390 INFO L225 Difference]: With dead ends: 2505 [2024-11-28 03:30:39,390 INFO L226 Difference]: Without dead ends: 2505 [2024-11-28 03:30:39,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:39,391 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 61 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:39,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 191 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:39,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2024-11-28 03:30:39,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2502. [2024-11-28 03:30:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2502 states, 2501 states have (on average 1.5881647341063574) internal successors, (3972), 2501 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 3972 transitions. [2024-11-28 03:30:39,470 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 3972 transitions. Word has length 27 [2024-11-28 03:30:39,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:39,470 INFO L471 AbstractCegarLoop]: Abstraction has 2502 states and 3972 transitions. [2024-11-28 03:30:39,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3972 transitions. [2024-11-28 03:30:39,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 03:30:39,473 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:39,473 INFO L218 NwaCegarLoop]: 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] [2024-11-28 03:30:39,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:30:39,473 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:39,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:39,474 INFO L85 PathProgramCache]: Analyzing trace with hash 606022966, now seen corresponding path program 1 times [2024-11-28 03:30:39,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:39,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997165703] [2024-11-28 03:30:39,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:39,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:39,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:39,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997165703] [2024-11-28 03:30:39,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997165703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:39,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:39,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:39,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316084177] [2024-11-28 03:30:39,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:39,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:39,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:39,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:39,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:39,516 INFO L87 Difference]: Start difference. First operand 2502 states and 3972 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:39,555 INFO L93 Difference]: Finished difference Result 4489 states and 7206 transitions. [2024-11-28 03:30:39,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:39,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 27 [2024-11-28 03:30:39,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:39,571 INFO L225 Difference]: With dead ends: 4489 [2024-11-28 03:30:39,571 INFO L226 Difference]: Without dead ends: 4489 [2024-11-28 03:30:39,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:39,572 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:39,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 154 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2024-11-28 03:30:39,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 3590. [2024-11-28 03:30:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3590 states, 3589 states have (on average 1.5436054611312344) internal successors, (5540), 3589 states have internal predecessors, (5540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3590 states and 5540 transitions. [2024-11-28 03:30:39,664 INFO L78 Accepts]: Start accepts. Automaton has 3590 states and 5540 transitions. Word has length 27 [2024-11-28 03:30:39,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:39,664 INFO L471 AbstractCegarLoop]: Abstraction has 3590 states and 5540 transitions. [2024-11-28 03:30:39,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3590 states and 5540 transitions. [2024-11-28 03:30:39,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 03:30:39,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:39,669 INFO L218 NwaCegarLoop]: 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] [2024-11-28 03:30:39,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:30:39,670 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:39,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:39,671 INFO L85 PathProgramCache]: Analyzing trace with hash -982324936, now seen corresponding path program 1 times [2024-11-28 03:30:39,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:39,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522570687] [2024-11-28 03:30:39,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:39,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:39,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:39,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:39,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522570687] [2024-11-28 03:30:39,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522570687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:39,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:39,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:39,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488166735] [2024-11-28 03:30:39,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:39,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:39,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:39,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:39,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:39,709 INFO L87 Difference]: Start difference. First operand 3590 states and 5540 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:39,768 INFO L93 Difference]: Finished difference Result 4873 states and 7494 transitions. [2024-11-28 03:30:39,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:39,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 27 [2024-11-28 03:30:39,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:39,790 INFO L225 Difference]: With dead ends: 4873 [2024-11-28 03:30:39,791 INFO L226 Difference]: Without dead ends: 4873 [2024-11-28 03:30:39,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:39,791 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 58 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:39,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 193 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:39,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4873 states. [2024-11-28 03:30:39,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4873 to 4870. [2024-11-28 03:30:39,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4870 states, 4869 states have (on average 1.538714315054426) internal successors, (7492), 4869 states have internal predecessors, (7492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4870 states to 4870 states and 7492 transitions. [2024-11-28 03:30:39,903 INFO L78 Accepts]: Start accepts. Automaton has 4870 states and 7492 transitions. Word has length 27 [2024-11-28 03:30:39,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:39,903 INFO L471 AbstractCegarLoop]: Abstraction has 4870 states and 7492 transitions. [2024-11-28 03:30:39,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,903 INFO L276 IsEmpty]: Start isEmpty. Operand 4870 states and 7492 transitions. [2024-11-28 03:30:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 03:30:39,908 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:39,908 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:39,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 03:30:39,908 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:39,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:39,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1613482524, now seen corresponding path program 1 times [2024-11-28 03:30:39,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:39,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365219270] [2024-11-28 03:30:39,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:39,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:39,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:39,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:39,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365219270] [2024-11-28 03:30:39,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365219270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:39,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:39,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:39,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303828295] [2024-11-28 03:30:39,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:39,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:39,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:39,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:39,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:39,943 INFO L87 Difference]: Start difference. First operand 4870 states and 7492 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:39,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:39,982 INFO L93 Difference]: Finished difference Result 4937 states and 7494 transitions. [2024-11-28 03:30:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:39,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) Word has length 28 [2024-11-28 03:30:39,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:39,999 INFO L225 Difference]: With dead ends: 4937 [2024-11-28 03:30:39,999 INFO L226 Difference]: Without dead ends: 4937 [2024-11-28 03:30:40,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:40,002 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 60 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:40,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 187 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:40,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4937 states. [2024-11-28 03:30:40,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4937 to 4934. [2024-11-28 03:30:40,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4934 states, 4933 states have (on average 1.5187512669774985) internal successors, (7492), 4933 states have internal predecessors, (7492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:40,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4934 states to 4934 states and 7492 transitions. [2024-11-28 03:30:40,127 INFO L78 Accepts]: Start accepts. Automaton has 4934 states and 7492 transitions. Word has length 28 [2024-11-28 03:30:40,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:40,127 INFO L471 AbstractCegarLoop]: Abstraction has 4934 states and 7492 transitions. [2024-11-28 03:30:40,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:40,128 INFO L276 IsEmpty]: Start isEmpty. Operand 4934 states and 7492 transitions. [2024-11-28 03:30:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 03:30:40,134 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:40,134 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:40,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 03:30:40,135 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:40,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:40,136 INFO L85 PathProgramCache]: Analyzing trace with hash -380662182, now seen corresponding path program 1 times [2024-11-28 03:30:40,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:40,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536554252] [2024-11-28 03:30:40,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:40,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:40,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:40,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536554252] [2024-11-28 03:30:40,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536554252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:40,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:40,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:40,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530105325] [2024-11-28 03:30:40,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:40,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:40,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:40,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:40,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:40,191 INFO L87 Difference]: Start difference. First operand 4934 states and 7492 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:40,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:40,263 INFO L93 Difference]: Finished difference Result 8713 states and 13382 transitions. [2024-11-28 03:30:40,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:40,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) Word has length 28 [2024-11-28 03:30:40,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:40,289 INFO L225 Difference]: With dead ends: 8713 [2024-11-28 03:30:40,289 INFO L226 Difference]: Without dead ends: 8713 [2024-11-28 03:30:40,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:40,290 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 43 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:40,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 152 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8713 states. [2024-11-28 03:30:40,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8713 to 7174. [2024-11-28 03:30:40,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7174 states, 7173 states have (on average 1.4727450160323434) internal successors, (10564), 7173 states have internal predecessors, (10564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:40,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7174 states to 7174 states and 10564 transitions. [2024-11-28 03:30:40,506 INFO L78 Accepts]: Start accepts. Automaton has 7174 states and 10564 transitions. Word has length 28 [2024-11-28 03:30:40,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:40,506 INFO L471 AbstractCegarLoop]: Abstraction has 7174 states and 10564 transitions. [2024-11-28 03:30:40,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:40,507 INFO L276 IsEmpty]: Start isEmpty. Operand 7174 states and 10564 transitions. [2024-11-28 03:30:40,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 03:30:40,515 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:40,516 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:40,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 03:30:40,516 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:40,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:40,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1969010084, now seen corresponding path program 1 times [2024-11-28 03:30:40,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:40,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447631470] [2024-11-28 03:30:40,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:40,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:40,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:40,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:40,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447631470] [2024-11-28 03:30:40,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447631470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:40,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:40,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:40,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513358763] [2024-11-28 03:30:40,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:40,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:40,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:40,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:40,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:40,554 INFO L87 Difference]: Start difference. First operand 7174 states and 10564 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:40,623 INFO L93 Difference]: Finished difference Result 9609 states and 14086 transitions. [2024-11-28 03:30:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:40,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) Word has length 28 [2024-11-28 03:30:40,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:40,644 INFO L225 Difference]: With dead ends: 9609 [2024-11-28 03:30:40,644 INFO L226 Difference]: Without dead ends: 9609 [2024-11-28 03:30:40,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:40,646 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 57 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:40,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 194 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:40,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9609 states. [2024-11-28 03:30:40,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9609 to 9606. [2024-11-28 03:30:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9606 states, 9605 states have (on average 1.4663196251952109) internal successors, (14084), 9605 states have internal predecessors, (14084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9606 states to 9606 states and 14084 transitions. [2024-11-28 03:30:40,862 INFO L78 Accepts]: Start accepts. Automaton has 9606 states and 14084 transitions. Word has length 28 [2024-11-28 03:30:40,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:40,862 INFO L471 AbstractCegarLoop]: Abstraction has 9606 states and 14084 transitions. [2024-11-28 03:30:40,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 9606 states and 14084 transitions. [2024-11-28 03:30:40,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 03:30:40,871 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:40,871 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:40,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 03:30:40,871 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:40,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:40,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1091024579, now seen corresponding path program 1 times [2024-11-28 03:30:40,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:40,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406564484] [2024-11-28 03:30:40,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:40,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:40,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:40,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:40,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406564484] [2024-11-28 03:30:40,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406564484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:40,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:40,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:40,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154072428] [2024-11-28 03:30:40,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:40,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:40,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:40,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:40,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:40,900 INFO L87 Difference]: Start difference. First operand 9606 states and 14084 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:40,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:40,963 INFO L93 Difference]: Finished difference Result 9737 states and 14086 transitions. [2024-11-28 03:30:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:40,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) Word has length 29 [2024-11-28 03:30:40,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:40,983 INFO L225 Difference]: With dead ends: 9737 [2024-11-28 03:30:40,983 INFO L226 Difference]: Without dead ends: 9737 [2024-11-28 03:30:40,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:40,984 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 59 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:40,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 183 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:40,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9737 states. [2024-11-28 03:30:41,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9737 to 9734. [2024-11-28 03:30:41,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9734 states, 9733 states have (on average 1.4470358573923765) internal successors, (14084), 9733 states have internal predecessors, (14084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9734 states to 9734 states and 14084 transitions. [2024-11-28 03:30:41,190 INFO L78 Accepts]: Start accepts. Automaton has 9734 states and 14084 transitions. Word has length 29 [2024-11-28 03:30:41,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:41,190 INFO L471 AbstractCegarLoop]: Abstraction has 9734 states and 14084 transitions. [2024-11-28 03:30:41,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 9734 states and 14084 transitions. [2024-11-28 03:30:41,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 03:30:41,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:41,230 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:41,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 03:30:41,231 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:41,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:41,232 INFO L85 PathProgramCache]: Analyzing trace with hash -903120127, now seen corresponding path program 1 times [2024-11-28 03:30:41,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:41,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377489162] [2024-11-28 03:30:41,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:41,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:41,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:41,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377489162] [2024-11-28 03:30:41,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377489162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:41,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:41,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:41,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702736399] [2024-11-28 03:30:41,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:41,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:41,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:41,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:41,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:41,268 INFO L87 Difference]: Start difference. First operand 9734 states and 14084 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:41,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:41,372 INFO L93 Difference]: Finished difference Result 16905 states and 24710 transitions. [2024-11-28 03:30:41,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:41,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) Word has length 29 [2024-11-28 03:30:41,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:41,418 INFO L225 Difference]: With dead ends: 16905 [2024-11-28 03:30:41,418 INFO L226 Difference]: Without dead ends: 16905 [2024-11-28 03:30:41,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:41,419 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 40 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:41,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 150 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:41,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16905 states. [2024-11-28 03:30:41,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16905 to 14342. [2024-11-28 03:30:41,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14342 states, 14341 states have (on average 1.4015759012621156) internal successors, (20100), 14341 states have internal predecessors, (20100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14342 states to 14342 states and 20100 transitions. [2024-11-28 03:30:41,771 INFO L78 Accepts]: Start accepts. Automaton has 14342 states and 20100 transitions. Word has length 29 [2024-11-28 03:30:41,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:41,771 INFO L471 AbstractCegarLoop]: Abstraction has 14342 states and 20100 transitions. [2024-11-28 03:30:41,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 14342 states and 20100 transitions. [2024-11-28 03:30:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 03:30:41,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:41,793 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:41,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 03:30:41,794 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:41,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:41,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1803499267, now seen corresponding path program 1 times [2024-11-28 03:30:41,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:41,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233200357] [2024-11-28 03:30:41,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:41,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:41,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:41,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233200357] [2024-11-28 03:30:41,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233200357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:41,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:41,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:41,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953982734] [2024-11-28 03:30:41,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:41,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:41,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:41,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:41,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:41,841 INFO L87 Difference]: Start difference. First operand 14342 states and 20100 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:41,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:41,986 INFO L93 Difference]: Finished difference Result 18953 states and 26374 transitions. [2024-11-28 03:30:41,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:41,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) Word has length 29 [2024-11-28 03:30:41,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:42,026 INFO L225 Difference]: With dead ends: 18953 [2024-11-28 03:30:42,026 INFO L226 Difference]: Without dead ends: 18953 [2024-11-28 03:30:42,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:42,027 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 56 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:42,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 195 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:42,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18953 states. [2024-11-28 03:30:42,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18953 to 18950. [2024-11-28 03:30:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18950 states, 18949 states have (on average 1.3917357116470526) internal successors, (26372), 18949 states have internal predecessors, (26372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:42,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18950 states to 18950 states and 26372 transitions. [2024-11-28 03:30:42,355 INFO L78 Accepts]: Start accepts. Automaton has 18950 states and 26372 transitions. Word has length 29 [2024-11-28 03:30:42,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:42,355 INFO L471 AbstractCegarLoop]: Abstraction has 18950 states and 26372 transitions. [2024-11-28 03:30:42,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:42,355 INFO L276 IsEmpty]: Start isEmpty. Operand 18950 states and 26372 transitions. [2024-11-28 03:30:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-28 03:30:42,376 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:42,376 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:42,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 03:30:42,377 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:42,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:42,377 INFO L85 PathProgramCache]: Analyzing trace with hash 2074708039, now seen corresponding path program 1 times [2024-11-28 03:30:42,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:42,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151264584] [2024-11-28 03:30:42,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:42,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:42,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:42,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151264584] [2024-11-28 03:30:42,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151264584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:42,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:42,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:42,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652176248] [2024-11-28 03:30:42,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:42,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:42,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:42,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:42,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:42,422 INFO L87 Difference]: Start difference. First operand 18950 states and 26372 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:42,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:42,554 INFO L93 Difference]: Finished difference Result 19209 states and 26374 transitions. [2024-11-28 03:30:42,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:42,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) Word has length 30 [2024-11-28 03:30:42,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:42,591 INFO L225 Difference]: With dead ends: 19209 [2024-11-28 03:30:42,591 INFO L226 Difference]: Without dead ends: 19209 [2024-11-28 03:30:42,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:42,592 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 58 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:42,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 179 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:30:42,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19209 states. [2024-11-28 03:30:42,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19209 to 19206. [2024-11-28 03:30:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19206 states, 19205 states have (on average 1.37318406664931) internal successors, (26372), 19205 states have internal predecessors, (26372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:42,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19206 states to 19206 states and 26372 transitions. [2024-11-28 03:30:42,892 INFO L78 Accepts]: Start accepts. Automaton has 19206 states and 26372 transitions. Word has length 30 [2024-11-28 03:30:42,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:42,892 INFO L471 AbstractCegarLoop]: Abstraction has 19206 states and 26372 transitions. [2024-11-28 03:30:42,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 19206 states and 26372 transitions. [2024-11-28 03:30:42,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-28 03:30:42,911 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:42,911 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:42,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 03:30:42,911 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:42,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:42,912 INFO L85 PathProgramCache]: Analyzing trace with hash 80563333, now seen corresponding path program 1 times [2024-11-28 03:30:42,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:42,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330907372] [2024-11-28 03:30:42,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:42,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:42,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:42,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:42,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330907372] [2024-11-28 03:30:42,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330907372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:42,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:42,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:42,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741273647] [2024-11-28 03:30:42,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:42,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:42,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:42,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:42,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:42,960 INFO L87 Difference]: Start difference. First operand 19206 states and 26372 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:43,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:43,092 INFO L93 Difference]: Finished difference Result 32777 states and 45318 transitions. [2024-11-28 03:30:43,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:43,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) Word has length 30 [2024-11-28 03:30:43,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:43,163 INFO L225 Difference]: With dead ends: 32777 [2024-11-28 03:30:43,163 INFO L226 Difference]: Without dead ends: 32777 [2024-11-28 03:30:43,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:43,165 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 37 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:43,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 148 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:43,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32777 states. [2024-11-28 03:30:43,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32777 to 28678. [2024-11-28 03:30:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28678 states, 28677 states have (on average 1.3302646720368239) internal successors, (38148), 28677 states have internal predecessors, (38148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28678 states to 28678 states and 38148 transitions. [2024-11-28 03:30:43,693 INFO L78 Accepts]: Start accepts. Automaton has 28678 states and 38148 transitions. Word has length 30 [2024-11-28 03:30:43,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:43,693 INFO L471 AbstractCegarLoop]: Abstraction has 28678 states and 38148 transitions. [2024-11-28 03:30:43,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:43,694 INFO L276 IsEmpty]: Start isEmpty. Operand 28678 states and 38148 transitions. [2024-11-28 03:30:43,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-28 03:30:43,738 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:43,738 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:43,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 03:30:43,739 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:43,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:43,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1507784569, now seen corresponding path program 1 times [2024-11-28 03:30:43,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:43,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113181191] [2024-11-28 03:30:43,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:43,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:43,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:43,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113181191] [2024-11-28 03:30:43,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113181191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:43,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:43,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:43,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129497395] [2024-11-28 03:30:43,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:43,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:43,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:43,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:43,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:43,790 INFO L87 Difference]: Start difference. First operand 28678 states and 38148 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:43,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:43,917 INFO L93 Difference]: Finished difference Result 37385 states and 49158 transitions. [2024-11-28 03:30:43,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:43,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) Word has length 30 [2024-11-28 03:30:43,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:44,004 INFO L225 Difference]: With dead ends: 37385 [2024-11-28 03:30:44,004 INFO L226 Difference]: Without dead ends: 37385 [2024-11-28 03:30:44,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:44,005 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 55 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:44,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 196 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:44,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37385 states. [2024-11-28 03:30:44,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37385 to 37382. [2024-11-28 03:30:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37382 states, 37381 states have (on average 1.3149995987266259) internal successors, (49156), 37381 states have internal predecessors, (49156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37382 states to 37382 states and 49156 transitions. [2024-11-28 03:30:44,966 INFO L78 Accepts]: Start accepts. Automaton has 37382 states and 49156 transitions. Word has length 30 [2024-11-28 03:30:44,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:44,966 INFO L471 AbstractCegarLoop]: Abstraction has 37382 states and 49156 transitions. [2024-11-28 03:30:44,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:44,966 INFO L276 IsEmpty]: Start isEmpty. Operand 37382 states and 49156 transitions. [2024-11-28 03:30:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 03:30:44,986 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:44,986 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:44,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 03:30:44,987 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:44,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:44,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1790832498, now seen corresponding path program 1 times [2024-11-28 03:30:44,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:44,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456255948] [2024-11-28 03:30:44,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:44,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:45,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:45,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:45,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456255948] [2024-11-28 03:30:45,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456255948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:45,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:45,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:45,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003754447] [2024-11-28 03:30:45,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:45,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:45,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:45,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:45,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:45,023 INFO L87 Difference]: Start difference. First operand 37382 states and 49156 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:45,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:45,116 INFO L93 Difference]: Finished difference Result 37897 states and 49158 transitions. [2024-11-28 03:30:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:45,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) Word has length 31 [2024-11-28 03:30:45,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:45,198 INFO L225 Difference]: With dead ends: 37897 [2024-11-28 03:30:45,198 INFO L226 Difference]: Without dead ends: 37897 [2024-11-28 03:30:45,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:45,199 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 57 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:45,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 175 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:45,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37897 states. [2024-11-28 03:30:45,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37897 to 37894. [2024-11-28 03:30:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37894 states, 37893 states have (on average 1.2972316786741616) internal successors, (49156), 37893 states have internal predecessors, (49156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37894 states to 37894 states and 49156 transitions. [2024-11-28 03:30:45,705 INFO L78 Accepts]: Start accepts. Automaton has 37894 states and 49156 transitions. Word has length 31 [2024-11-28 03:30:45,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:45,706 INFO L471 AbstractCegarLoop]: Abstraction has 37894 states and 49156 transitions. [2024-11-28 03:30:45,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 37894 states and 49156 transitions. [2024-11-28 03:30:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 03:30:45,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:45,728 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:45,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 03:30:45,728 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:45,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:45,729 INFO L85 PathProgramCache]: Analyzing trace with hash 509990092, now seen corresponding path program 1 times [2024-11-28 03:30:45,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:45,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477090429] [2024-11-28 03:30:45,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:45,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:45,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:45,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477090429] [2024-11-28 03:30:45,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477090429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:45,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:45,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:45,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338528916] [2024-11-28 03:30:45,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:45,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:45,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:45,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:45,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:45,760 INFO L87 Difference]: Start difference. First operand 37894 states and 49156 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:46,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:46,143 INFO L93 Difference]: Finished difference Result 73737 states and 92166 transitions. [2024-11-28 03:30:46,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:46,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) Word has length 31 [2024-11-28 03:30:46,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:46,321 INFO L225 Difference]: With dead ends: 73737 [2024-11-28 03:30:46,322 INFO L226 Difference]: Without dead ends: 73737 [2024-11-28 03:30:46,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:46,323 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 55 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:46,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 166 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:46,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73737 states. [2024-11-28 03:30:47,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73737 to 73734. [2024-11-28 03:30:47,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73734 states, 73733 states have (on average 1.2499694844913403) internal successors, (92164), 73733 states have internal predecessors, (92164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:47,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73734 states to 73734 states and 92164 transitions. [2024-11-28 03:30:47,650 INFO L78 Accepts]: Start accepts. Automaton has 73734 states and 92164 transitions. Word has length 31 [2024-11-28 03:30:47,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:47,650 INFO L471 AbstractCegarLoop]: Abstraction has 73734 states and 92164 transitions. [2024-11-28 03:30:47,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:47,651 INFO L276 IsEmpty]: Start isEmpty. Operand 73734 states and 92164 transitions. [2024-11-28 03:30:47,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 03:30:47,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:47,892 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:47,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 03:30:47,892 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:47,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:47,893 INFO L85 PathProgramCache]: Analyzing trace with hash 2098337994, now seen corresponding path program 1 times [2024-11-28 03:30:47,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:47,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000596780] [2024-11-28 03:30:47,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:47,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:47,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:47,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000596780] [2024-11-28 03:30:47,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000596780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:47,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:47,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:47,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354852392] [2024-11-28 03:30:47,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:47,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:47,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:47,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:47,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:47,927 INFO L87 Difference]: Start difference. First operand 73734 states and 92164 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:48,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:48,153 INFO L93 Difference]: Finished difference Result 79881 states and 101382 transitions. [2024-11-28 03:30:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:48,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) Word has length 31 [2024-11-28 03:30:48,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:48,274 INFO L225 Difference]: With dead ends: 79881 [2024-11-28 03:30:48,274 INFO L226 Difference]: Without dead ends: 79881 [2024-11-28 03:30:48,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:48,275 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 34 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:48,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 187 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:48,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79881 states. [2024-11-28 03:30:49,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79881 to 73734. [2024-11-28 03:30:49,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73734 states, 73733 states have (on average 1.2360815374391385) internal successors, (91140), 73733 states have internal predecessors, (91140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73734 states to 73734 states and 91140 transitions. [2024-11-28 03:30:49,669 INFO L78 Accepts]: Start accepts. Automaton has 73734 states and 91140 transitions. Word has length 31 [2024-11-28 03:30:49,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:49,669 INFO L471 AbstractCegarLoop]: Abstraction has 73734 states and 91140 transitions. [2024-11-28 03:30:49,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:49,670 INFO L276 IsEmpty]: Start isEmpty. Operand 73734 states and 91140 transitions. [2024-11-28 03:30:49,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 03:30:49,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:49,714 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:49,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 03:30:49,714 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:49,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:49,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1363494286, now seen corresponding path program 1 times [2024-11-28 03:30:49,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:49,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359831569] [2024-11-28 03:30:49,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:49,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:49,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:49,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359831569] [2024-11-28 03:30:49,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359831569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:49,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:49,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:49,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256241450] [2024-11-28 03:30:49,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:49,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:49,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:49,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:49,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:49,744 INFO L87 Difference]: Start difference. First operand 73734 states and 91140 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:49,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:49,995 INFO L93 Difference]: Finished difference Result 121865 states and 149510 transitions. [2024-11-28 03:30:49,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:49,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) Word has length 32 [2024-11-28 03:30:49,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:50,085 INFO L225 Difference]: With dead ends: 121865 [2024-11-28 03:30:50,086 INFO L226 Difference]: Without dead ends: 121865 [2024-11-28 03:30:50,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:50,086 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 31 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:50,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 144 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:50,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121865 states. [2024-11-28 03:30:51,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121865 to 113670. [2024-11-28 03:30:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113670 states, 113669 states have (on average 1.2071892952344088) internal successors, (137220), 113669 states have internal predecessors, (137220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:51,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113670 states to 113670 states and 137220 transitions. [2024-11-28 03:30:51,785 INFO L78 Accepts]: Start accepts. Automaton has 113670 states and 137220 transitions. Word has length 32 [2024-11-28 03:30:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:51,785 INFO L471 AbstractCegarLoop]: Abstraction has 113670 states and 137220 transitions. [2024-11-28 03:30:51,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 113670 states and 137220 transitions. [2024-11-28 03:30:52,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 03:30:52,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:52,248 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:52,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 03:30:52,248 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:52,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:52,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1343125108, now seen corresponding path program 1 times [2024-11-28 03:30:52,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:52,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51973247] [2024-11-28 03:30:52,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:52,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:52,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:52,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51973247] [2024-11-28 03:30:52,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51973247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:52,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:52,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:52,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731298919] [2024-11-28 03:30:52,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:52,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:52,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:52,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:52,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:52,278 INFO L87 Difference]: Start difference. First operand 113670 states and 137220 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:52,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:52,580 INFO L93 Difference]: Finished difference Result 144393 states and 169990 transitions. [2024-11-28 03:30:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:52,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) Word has length 32 [2024-11-28 03:30:52,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:52,704 INFO L225 Difference]: With dead ends: 144393 [2024-11-28 03:30:52,704 INFO L226 Difference]: Without dead ends: 144393 [2024-11-28 03:30:52,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:52,705 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 53 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:52,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 198 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:52,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144393 states. [2024-11-28 03:30:54,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144393 to 144390. [2024-11-28 03:30:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144390 states, 144389 states have (on average 1.1772918989673729) internal successors, (169988), 144389 states have internal predecessors, (169988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144390 states to 144390 states and 169988 transitions. [2024-11-28 03:30:54,373 INFO L78 Accepts]: Start accepts. Automaton has 144390 states and 169988 transitions. Word has length 32 [2024-11-28 03:30:54,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:54,373 INFO L471 AbstractCegarLoop]: Abstraction has 144390 states and 169988 transitions. [2024-11-28 03:30:54,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 144390 states and 169988 transitions. [2024-11-28 03:30:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 03:30:54,437 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:54,437 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:54,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 03:30:54,437 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:54,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:54,438 INFO L85 PathProgramCache]: Analyzing trace with hash 688042711, now seen corresponding path program 1 times [2024-11-28 03:30:54,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:54,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941088868] [2024-11-28 03:30:54,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:54,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:54,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:54,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941088868] [2024-11-28 03:30:54,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941088868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:54,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:54,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:54,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983862099] [2024-11-28 03:30:54,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:54,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:54,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:54,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:54,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:54,473 INFO L87 Difference]: Start difference. First operand 144390 states and 169988 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:55,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:55,357 INFO L93 Difference]: Finished difference Result 147465 states and 172038 transitions. [2024-11-28 03:30:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:55,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33 [2024-11-28 03:30:55,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:55,526 INFO L225 Difference]: With dead ends: 147465 [2024-11-28 03:30:55,527 INFO L226 Difference]: Without dead ends: 147465 [2024-11-28 03:30:55,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:55,527 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 55 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:55,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 167 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:55,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147465 states. [2024-11-28 03:30:57,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147465 to 147462. [2024-11-28 03:30:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147462 states, 147461 states have (on average 1.1666542340008546) internal successors, (172036), 147461 states have internal predecessors, (172036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:57,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147462 states to 147462 states and 172036 transitions. [2024-11-28 03:30:57,865 INFO L78 Accepts]: Start accepts. Automaton has 147462 states and 172036 transitions. Word has length 33 [2024-11-28 03:30:57,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:57,866 INFO L471 AbstractCegarLoop]: Abstraction has 147462 states and 172036 transitions. [2024-11-28 03:30:57,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:57,866 INFO L276 IsEmpty]: Start isEmpty. Operand 147462 states and 172036 transitions. [2024-11-28 03:30:57,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 03:30:57,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:57,924 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:57,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 03:30:57,924 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:30:57,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:57,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1306101995, now seen corresponding path program 1 times [2024-11-28 03:30:57,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:57,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259265073] [2024-11-28 03:30:57,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:57,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:30:57,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:57,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259265073] [2024-11-28 03:30:57,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259265073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:57,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:57,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:30:57,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578328591] [2024-11-28 03:30:57,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:57,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:57,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:57,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:57,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:57,955 INFO L87 Difference]: Start difference. First operand 147462 states and 172036 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:58,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:58,421 INFO L93 Difference]: Finished difference Result 237574 states and 270340 transitions. [2024-11-28 03:30:58,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:30:58,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33 [2024-11-28 03:30:58,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:58,651 INFO L225 Difference]: With dead ends: 237574 [2024-11-28 03:30:58,651 INFO L226 Difference]: Without dead ends: 237574 [2024-11-28 03:30:58,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:58,652 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 26 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:58,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 140 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:58,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237574 states. [2024-11-28 03:31:01,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237574 to 229382. [2024-11-28 03:31:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229382 states, 229381 states have (on average 1.1428496693274508) internal successors, (262148), 229381 states have internal predecessors, (262148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:31:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229382 states to 229382 states and 262148 transitions. [2024-11-28 03:31:02,099 INFO L78 Accepts]: Start accepts. Automaton has 229382 states and 262148 transitions. Word has length 33 [2024-11-28 03:31:02,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:31:02,099 INFO L471 AbstractCegarLoop]: Abstraction has 229382 states and 262148 transitions. [2024-11-28 03:31:02,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:31:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 229382 states and 262148 transitions. [2024-11-28 03:31:02,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 03:31:02,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:31:02,230 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:02,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-28 03:31:02,231 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:31:02,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:02,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1400517399, now seen corresponding path program 1 times [2024-11-28 03:31:02,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:02,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301130661] [2024-11-28 03:31:02,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:02,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:02,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:02,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301130661] [2024-11-28 03:31:02,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301130661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:02,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:02,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:31:02,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126428527] [2024-11-28 03:31:02,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:02,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:02,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:02,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:02,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:02,273 INFO L87 Difference]: Start difference. First operand 229382 states and 262148 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:31:03,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:31:03,437 INFO L93 Difference]: Finished difference Result 286723 states and 315394 transitions. [2024-11-28 03:31:03,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:03,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33 [2024-11-28 03:31:03,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:31:03,438 INFO L225 Difference]: With dead ends: 286723 [2024-11-28 03:31:03,438 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:31:03,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:03,439 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 50 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:31:03,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 195 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:31:03,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:31:03,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:31:03,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:31:03,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:31:03,439 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-11-28 03:31:03,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:31:03,440 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:31:03,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:31:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:31:03,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:31:03,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2024-11-28 03:31:03,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2024-11-28 03:31:03,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-28 03:31:03,447 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:03,449 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:31:03,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:31:03 BoogieIcfgContainer [2024-11-28 03:31:03,453 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:31:03,453 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:31:03,453 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:31:03,454 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:31:03,454 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:36" (3/4) ... [2024-11-28 03:31:03,457 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:31:03,467 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-28 03:31:03,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 03:31:03,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:31:03,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:31:03,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:31:03,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:31:03,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:31:03,587 INFO L158 Benchmark]: Toolchain (without parser) took 28067.85ms. Allocated memory was 142.6MB in the beginning and 13.9GB in the end (delta: 13.8GB). Free memory was 117.6MB in the beginning and 11.3GB in the end (delta: -11.2GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-11-28 03:31:03,587 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:31:03,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.13ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 105.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:31:03,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.99ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:31:03,588 INFO L158 Benchmark]: Boogie Preprocessor took 41.40ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:31:03,588 INFO L158 Benchmark]: RCFGBuilder took 546.43ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 85.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:31:03,588 INFO L158 Benchmark]: TraceAbstraction took 26967.04ms. Allocated memory was 142.6MB in the beginning and 13.9GB in the end (delta: 13.8GB). Free memory was 85.3MB in the beginning and 11.3GB in the end (delta: -11.2GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-28 03:31:03,589 INFO L158 Benchmark]: Witness Printer took 133.06ms. Allocated memory is still 13.9GB. Free memory was 11.3GB in the beginning and 11.3GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:31:03,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.13ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 105.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.99ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.40ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.43ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 85.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 26967.04ms. Allocated memory was 142.6MB in the beginning and 13.9GB in the end (delta: 13.8GB). Free memory was 85.3MB in the beginning and 11.3GB in the end (delta: -11.2GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * Witness Printer took 133.06ms. Allocated memory is still 13.9GB. Free memory was 11.3GB in the beginning and 11.3GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 26.9s, OverallIterations: 38, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2037 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2037 mSDsluCounter, 6626 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2599 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192 IncrementalHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 4027 mSDtfsCounter, 192 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229382occurred in iteration=37, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 16.3s AutomataMinimizationTime, 38 MinimizatonAttempts, 32840 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 987 NumberOfCodeBlocks, 987 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 949 ConstructedInterpolants, 0 QuantifiedInterpolants, 2049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:31:03,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3f5c7e-8ebf-46c8-a86e-d105a10fc1c1/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