./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/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_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:42:55,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:42:55,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-28 04:42:55,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:42:55,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:42:55,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:42:55,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:42:55,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:42:55,864 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:42:55,864 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:42:55,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:42:55,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:42:55,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:42:55,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:42:55,865 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:42:55,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:42:55,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:42:55,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:42:55,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:42:55,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:42:55,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:42:55,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:42:55,868 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:42:55,868 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:42:55,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:42:55,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:42:55,869 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:42:55,869 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:42:55,869 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:42:55,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:42:55,869 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:42:55,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:42:55,869 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:42:55,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:42:55,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:42:55,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:42:55,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:42:55,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:42:55,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:42:55,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:42:55,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:42:55,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:42:55,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:42:55,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:42:55,871 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:42:55,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:42:55,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:42:55,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:42:55,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:42:55,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:42:55,873 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_5bb2b07a-191a-4de8-9351-ba819ddcd902/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-memcleanup) ) 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 -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2024-11-28 04:42:56,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:42:56,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:42:56,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:42:56,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:42:56,173 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:42:56,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2024-11-28 04:42:59,246 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/data/1afbd58f7/86937c42a4cf4bdbb36a0f2571207e22/FLAGb335d080e [2024-11-28 04:42:59,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:42:59,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2024-11-28 04:42:59,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/data/1afbd58f7/86937c42a4cf4bdbb36a0f2571207e22/FLAGb335d080e [2024-11-28 04:42:59,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/data/1afbd58f7/86937c42a4cf4bdbb36a0f2571207e22 [2024-11-28 04:42:59,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:42:59,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:42:59,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:42:59,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:42:59,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:42:59,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:59" (1/1) ... [2024-11-28 04:42:59,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632fd474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:59, skipping insertion in model container [2024-11-28 04:42:59,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:59" (1/1) ... [2024-11-28 04:42:59,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:43:00,200 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:43:00,249 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:43:00,255 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:43:00,264 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:43:00,275 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:43:00,333 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:43:00,333 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:43:00,335 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:43:00,336 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:43:00,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:00,354 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:43:00,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:00,509 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:43:00,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00 WrapperNode [2024-11-28 04:43:00,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:43:00,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:00,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:43:00,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:43:00,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,609 INFO L138 Inliner]: procedures = 208, calls = 229, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1272 [2024-11-28 04:43:00,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:00,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:43:00,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:43:00,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:43:00,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,697 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 34, 172]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-11-28 04:43:00,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,735 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:43:00,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:43:00,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:43:00,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:43:00,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:00,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:00,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:43:00,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:43:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 04:43:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 04:43:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 04:43:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 04:43:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 04:43:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 04:43:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 04:43:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 04:43:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:43:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:43:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:43:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:43:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:43:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:43:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:43:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:43:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:43:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:43:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:43:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:43:01,195 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:43:01,196 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:43:03,066 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-28 04:43:03,066 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:43:03,085 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:43:03,086 INFO L312 CfgBuilder]: Removed 31 assume(true) statements. [2024-11-28 04:43:03,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:03 BoogieIcfgContainer [2024-11-28 04:43:03,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:43:03,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:43:03,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:43:03,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:43:03,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:42:59" (1/3) ... [2024-11-28 04:43:03,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8492fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:03, skipping insertion in model container [2024-11-28 04:43:03,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (2/3) ... [2024-11-28 04:43:03,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8492fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:03, skipping insertion in model container [2024-11-28 04:43:03,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:03" (3/3) ... [2024-11-28 04:43:03,099 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-1.i [2024-11-28 04:43:03,116 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:43:03,118 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_test2-1.i that has 6 procedures, 399 locations, 1 initial locations, 33 loop locations, and 2 error locations. [2024-11-28 04:43:03,178 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:43:03,196 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;@3f036c84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:43:03,197 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 04:43:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 391 states, 375 states have (on average 1.6133333333333333) internal successors, (605), 384 states have internal predecessors, (605), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 04:43:03,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-28 04:43:03,210 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:03,211 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:03,211 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:03,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:03,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1564073608, now seen corresponding path program 1 times [2024-11-28 04:43:03,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:03,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858882719] [2024-11-28 04:43:03,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:03,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:03,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:03,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:03,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858882719] [2024-11-28 04:43:03,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858882719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:03,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:03,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:03,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228017015] [2024-11-28 04:43:03,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:03,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:43:03,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:03,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:43:03,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:43:03,416 INFO L87 Difference]: Start difference. First operand has 391 states, 375 states have (on average 1.6133333333333333) internal successors, (605), 384 states have internal predecessors, (605), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:03,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:03,465 INFO L93 Difference]: Finished difference Result 389 states and 562 transitions. [2024-11-28 04:43:03,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:43:03,467 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-28 04:43:03,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:03,477 INFO L225 Difference]: With dead ends: 389 [2024-11-28 04:43:03,477 INFO L226 Difference]: Without dead ends: 387 [2024-11-28 04:43:03,481 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 04:43:03,484 INFO L435 NwaCegarLoop]: 562 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, 562 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 04:43:03,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:43:03,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-28 04:43:03,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2024-11-28 04:43:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 373 states have (on average 1.4530831099195711) internal successors, (542), 380 states have internal predecessors, (542), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:43:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 560 transitions. [2024-11-28 04:43:03,555 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 560 transitions. Word has length 7 [2024-11-28 04:43:03,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:03,556 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 560 transitions. [2024-11-28 04:43:03,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 560 transitions. [2024-11-28 04:43:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 04:43:03,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:03,557 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:03,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:43:03,558 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:03,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:03,558 INFO L85 PathProgramCache]: Analyzing trace with hash -861981024, now seen corresponding path program 1 times [2024-11-28 04:43:03,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:03,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353694771] [2024-11-28 04:43:03,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:03,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:03,788 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 04:43:03,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:03,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353694771] [2024-11-28 04:43:03,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353694771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:03,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:03,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:43:03,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070215109] [2024-11-28 04:43:03,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:03,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:43:03,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:03,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:43:03,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:43:03,791 INFO L87 Difference]: Start difference. First operand 387 states and 560 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:04,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:04,020 INFO L93 Difference]: Finished difference Result 757 states and 1104 transitions. [2024-11-28 04:43:04,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:43:04,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-28 04:43:04,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:04,026 INFO L225 Difference]: With dead ends: 757 [2024-11-28 04:43:04,028 INFO L226 Difference]: Without dead ends: 757 [2024-11-28 04:43:04,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:43:04,030 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 524 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:04,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1702 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:43:04,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-11-28 04:43:04,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 389. [2024-11-28 04:43:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 375 states have (on average 1.4506666666666668) internal successors, (544), 382 states have internal predecessors, (544), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:43:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 562 transitions. [2024-11-28 04:43:04,068 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 562 transitions. Word has length 9 [2024-11-28 04:43:04,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:04,068 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 562 transitions. [2024-11-28 04:43:04,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 562 transitions. [2024-11-28 04:43:04,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 04:43:04,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:04,071 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:04,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:43:04,072 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:04,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:04,072 INFO L85 PathProgramCache]: Analyzing trace with hash -480084302, now seen corresponding path program 1 times [2024-11-28 04:43:04,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:04,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134375933] [2024-11-28 04:43:04,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:04,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:04,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:04,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134375933] [2024-11-28 04:43:04,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134375933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:04,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:04,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:43:04,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133466916] [2024-11-28 04:43:04,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:04,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:43:04,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:04,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:43:04,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:43:04,642 INFO L87 Difference]: Start difference. First operand 389 states and 562 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:04,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:04,764 INFO L93 Difference]: Finished difference Result 392 states and 558 transitions. [2024-11-28 04:43:04,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:43:04,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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 86 [2024-11-28 04:43:04,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:04,768 INFO L225 Difference]: With dead ends: 392 [2024-11-28 04:43:04,769 INFO L226 Difference]: Without dead ends: 392 [2024-11-28 04:43:04,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:43:04,771 INFO L435 NwaCegarLoop]: 532 mSDtfsCounter, 106 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:04,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1502 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:43:04,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-28 04:43:04,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 389. [2024-11-28 04:43:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 375 states have (on average 1.432) internal successors, (537), 382 states have internal predecessors, (537), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:43:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 555 transitions. [2024-11-28 04:43:04,804 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 555 transitions. Word has length 86 [2024-11-28 04:43:04,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:04,805 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 555 transitions. [2024-11-28 04:43:04,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 555 transitions. [2024-11-28 04:43:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 04:43:04,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:04,808 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:04,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:43:04,808 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:04,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:04,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1330891430, now seen corresponding path program 1 times [2024-11-28 04:43:04,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:04,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624225408] [2024-11-28 04:43:04,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:04,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:05,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:05,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624225408] [2024-11-28 04:43:05,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624225408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:05,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:05,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:43:05,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68749160] [2024-11-28 04:43:05,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:05,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:05,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:05,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:05,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:05,203 INFO L87 Difference]: Start difference. First operand 389 states and 555 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:05,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:05,316 INFO L93 Difference]: Finished difference Result 671 states and 973 transitions. [2024-11-28 04:43:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:05,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 86 [2024-11-28 04:43:05,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:05,323 INFO L225 Difference]: With dead ends: 671 [2024-11-28 04:43:05,325 INFO L226 Difference]: Without dead ends: 671 [2024-11-28 04:43:05,325 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 04:43:05,326 INFO L435 NwaCegarLoop]: 752 mSDtfsCounter, 351 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 1291 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:05,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 1291 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:43:05,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-28 04:43:05,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 667. [2024-11-28 04:43:05,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 648 states have (on average 1.4537037037037037) internal successors, (942), 660 states have internal predecessors, (942), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 04:43:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 970 transitions. [2024-11-28 04:43:05,362 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 970 transitions. Word has length 86 [2024-11-28 04:43:05,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:05,363 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 970 transitions. [2024-11-28 04:43:05,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 970 transitions. [2024-11-28 04:43:05,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 04:43:05,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:05,371 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:05,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:43:05,372 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:05,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:05,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1802019898, now seen corresponding path program 1 times [2024-11-28 04:43:05,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:05,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892959053] [2024-11-28 04:43:05,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:05,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:43:06,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:06,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892959053] [2024-11-28 04:43:06,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892959053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:06,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:06,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:43:06,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493762832] [2024-11-28 04:43:06,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:06,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:43:06,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:06,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:43:06,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:43:06,055 INFO L87 Difference]: Start difference. First operand 667 states and 970 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:06,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:06,221 INFO L93 Difference]: Finished difference Result 918 states and 1338 transitions. [2024-11-28 04:43:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:43:06,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2024-11-28 04:43:06,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:06,230 INFO L225 Difference]: With dead ends: 918 [2024-11-28 04:43:06,233 INFO L226 Difference]: Without dead ends: 918 [2024-11-28 04:43:06,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:43:06,234 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 513 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:06,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1681 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:43:06,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2024-11-28 04:43:06,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 669. [2024-11-28 04:43:06,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 650 states have (on average 1.4523076923076923) internal successors, (944), 662 states have internal predecessors, (944), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 04:43:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 972 transitions. [2024-11-28 04:43:06,279 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 972 transitions. Word has length 101 [2024-11-28 04:43:06,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:06,279 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 972 transitions. [2024-11-28 04:43:06,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:06,283 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 972 transitions. [2024-11-28 04:43:06,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:43:06,286 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:06,286 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 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, 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, 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 04:43:06,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:43:06,286 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:06,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:06,290 INFO L85 PathProgramCache]: Analyzing trace with hash 557197740, now seen corresponding path program 1 times [2024-11-28 04:43:06,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:06,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771734300] [2024-11-28 04:43:06,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:06,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:43:06,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:06,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771734300] [2024-11-28 04:43:06,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771734300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:06,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:06,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:43:06,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813846176] [2024-11-28 04:43:06,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:06,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:43:06,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:06,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:43:06,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:43:06,772 INFO L87 Difference]: Start difference. First operand 669 states and 972 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:06,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:06,878 INFO L93 Difference]: Finished difference Result 583 states and 816 transitions. [2024-11-28 04:43:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:43:06,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 158 [2024-11-28 04:43:06,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:06,883 INFO L225 Difference]: With dead ends: 583 [2024-11-28 04:43:06,883 INFO L226 Difference]: Without dead ends: 583 [2024-11-28 04:43:06,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:43:06,884 INFO L435 NwaCegarLoop]: 448 mSDtfsCounter, 33 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:06,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 1328 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:43:06,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-28 04:43:06,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2024-11-28 04:43:06,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 564 states have (on average 1.3971631205673758) internal successors, (788), 576 states have internal predecessors, (788), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 04:43:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 816 transitions. [2024-11-28 04:43:06,918 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 816 transitions. Word has length 158 [2024-11-28 04:43:06,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:06,918 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 816 transitions. [2024-11-28 04:43:06,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:06,919 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 816 transitions. [2024-11-28 04:43:06,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:43:06,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:06,924 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 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, 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, 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 04:43:06,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:43:06,924 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:06,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:06,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1918319834, now seen corresponding path program 1 times [2024-11-28 04:43:06,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:06,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021611064] [2024-11-28 04:43:06,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:06,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:43:07,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:07,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021611064] [2024-11-28 04:43:07,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021611064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:07,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:07,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:43:07,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022726138] [2024-11-28 04:43:07,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:07,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:07,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:07,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:07,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:07,224 INFO L87 Difference]: Start difference. First operand 583 states and 816 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:07,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:07,279 INFO L93 Difference]: Finished difference Result 583 states and 810 transitions. [2024-11-28 04:43:07,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:07,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 158 [2024-11-28 04:43:07,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:07,284 INFO L225 Difference]: With dead ends: 583 [2024-11-28 04:43:07,285 INFO L226 Difference]: Without dead ends: 583 [2024-11-28 04:43:07,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 04:43:07,286 INFO L435 NwaCegarLoop]: 463 mSDtfsCounter, 2 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:07,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 904 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:43:07,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-28 04:43:07,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2024-11-28 04:43:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 564 states have (on average 1.3865248226950355) internal successors, (782), 576 states have internal predecessors, (782), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 04:43:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 810 transitions. [2024-11-28 04:43:07,308 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 810 transitions. Word has length 158 [2024-11-28 04:43:07,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:07,309 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 810 transitions. [2024-11-28 04:43:07,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 810 transitions. [2024-11-28 04:43:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:43:07,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:07,311 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 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, 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, 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 04:43:07,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:43:07,312 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:07,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:07,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1291061920, now seen corresponding path program 1 times [2024-11-28 04:43:07,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:07,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856571522] [2024-11-28 04:43:07,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:07,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:07,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:43:07,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:07,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856571522] [2024-11-28 04:43:07,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856571522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:07,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:07,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:07,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559736481] [2024-11-28 04:43:07,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:07,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:43:07,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:07,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:43:07,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:43:07,690 INFO L87 Difference]: Start difference. First operand 583 states and 810 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:08,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:08,250 INFO L93 Difference]: Finished difference Result 670 states and 921 transitions. [2024-11-28 04:43:08,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:43:08,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 158 [2024-11-28 04:43:08,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:08,255 INFO L225 Difference]: With dead ends: 670 [2024-11-28 04:43:08,255 INFO L226 Difference]: Without dead ends: 670 [2024-11-28 04:43:08,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:08,256 INFO L435 NwaCegarLoop]: 620 mSDtfsCounter, 972 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:08,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 1462 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:43:08,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-11-28 04:43:08,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 479. [2024-11-28 04:43:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 465 states have (on average 1.389247311827957) internal successors, (646), 472 states have internal predecessors, (646), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:43:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 664 transitions. [2024-11-28 04:43:08,272 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 664 transitions. Word has length 158 [2024-11-28 04:43:08,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:08,272 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 664 transitions. [2024-11-28 04:43:08,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 664 transitions. [2024-11-28 04:43:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 04:43:08,275 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:08,275 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:08,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:43:08,275 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:08,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:08,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1645618392, now seen corresponding path program 1 times [2024-11-28 04:43:08,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:08,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679965688] [2024-11-28 04:43:08,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:08,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:09,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:43:09,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:09,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679965688] [2024-11-28 04:43:09,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679965688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:09,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457841835] [2024-11-28 04:43:09,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:09,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:09,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:09,278 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:09,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:43:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:09,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:43:09,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:09,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 04:43:10,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-28 04:43:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:43:10,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:43:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:43:10,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457841835] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:43:10,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:43:10,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 5] total 12 [2024-11-28 04:43:10,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284237084] [2024-11-28 04:43:10,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:43:10,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:43:10,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:10,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:43:10,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:43:10,541 INFO L87 Difference]: Start difference. First operand 479 states and 664 transitions. Second operand has 12 states, 12 states have (on average 27.583333333333332) internal successors, (331), 12 states have internal predecessors, (331), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:43:11,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:11,019 INFO L93 Difference]: Finished difference Result 1369 states and 1897 transitions. [2024-11-28 04:43:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:43:11,020 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 27.583333333333332) internal successors, (331), 12 states have internal predecessors, (331), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 168 [2024-11-28 04:43:11,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:11,026 INFO L225 Difference]: With dead ends: 1369 [2024-11-28 04:43:11,027 INFO L226 Difference]: Without dead ends: 1369 [2024-11-28 04:43:11,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 328 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:43:11,028 INFO L435 NwaCegarLoop]: 708 mSDtfsCounter, 2549 mSDsluCounter, 3860 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:11,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2563 Valid, 4568 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:43:11,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2024-11-28 04:43:11,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 920. [2024-11-28 04:43:11,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 902 states have (on average 1.3891352549889135) internal successors, (1253), 909 states have internal predecessors, (1253), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 04:43:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1277 transitions. [2024-11-28 04:43:11,059 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1277 transitions. Word has length 168 [2024-11-28 04:43:11,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:11,059 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1277 transitions. [2024-11-28 04:43:11,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 27.583333333333332) internal successors, (331), 12 states have internal predecessors, (331), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:43:11,060 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1277 transitions. [2024-11-28 04:43:11,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-28 04:43:11,067 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:11,067 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:11,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:43:11,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:11,272 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:11,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:11,272 INFO L85 PathProgramCache]: Analyzing trace with hash -855094946, now seen corresponding path program 1 times [2024-11-28 04:43:11,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:11,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346373522] [2024-11-28 04:43:11,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:11,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:43:15,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:15,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346373522] [2024-11-28 04:43:15,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346373522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:15,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990556996] [2024-11-28 04:43:15,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:15,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:15,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:15,820 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:15,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:43:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:16,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 1903 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:43:16,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:16,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 04:43:17,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-28 04:43:17,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-28 04:43:17,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-28 04:43:17,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-28 04:43:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:43:17,690 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:43:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:43:18,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990556996] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:43:18,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:43:18,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 8] total 23 [2024-11-28 04:43:18,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337865639] [2024-11-28 04:43:18,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:43:18,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 04:43:18,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:18,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 04:43:18,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=339, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:43:18,489 INFO L87 Difference]: Start difference. First operand 920 states and 1277 transitions. Second operand has 23 states, 23 states have (on average 44.52173913043478) internal successors, (1024), 23 states have internal predecessors, (1024), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:43:19,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:19,685 INFO L93 Difference]: Finished difference Result 2893 states and 4027 transitions. [2024-11-28 04:43:19,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 04:43:19,686 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 44.52173913043478) internal successors, (1024), 23 states have internal predecessors, (1024), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 399 [2024-11-28 04:43:19,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:19,700 INFO L225 Difference]: With dead ends: 2893 [2024-11-28 04:43:19,701 INFO L226 Difference]: Without dead ends: 2893 [2024-11-28 04:43:19,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 786 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=696, Unknown=0, NotChecked=0, Total=992 [2024-11-28 04:43:19,702 INFO L435 NwaCegarLoop]: 1826 mSDtfsCounter, 4638 mSDsluCounter, 13153 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4673 SdHoareTripleChecker+Valid, 14979 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:19,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4673 Valid, 14979 Invalid, 714 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:43:19,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2893 states. [2024-11-28 04:43:19,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2893 to 2060. [2024-11-28 04:43:19,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2060 states, 2036 states have (on average 1.3963654223968567) internal successors, (2843), 2043 states have internal predecessors, (2843), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:43:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2879 transitions. [2024-11-28 04:43:19,769 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2879 transitions. Word has length 399 [2024-11-28 04:43:19,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:19,771 INFO L471 AbstractCegarLoop]: Abstraction has 2060 states and 2879 transitions. [2024-11-28 04:43:19,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 44.52173913043478) internal successors, (1024), 23 states have internal predecessors, (1024), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:43:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2879 transitions. [2024-11-28 04:43:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 862 [2024-11-28 04:43:19,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:19,800 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:19,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:43:20,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 04:43:20,005 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:20,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:20,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1401963490, now seen corresponding path program 2 times [2024-11-28 04:43:20,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:20,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39800095] [2024-11-28 04:43:20,007 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:43:20,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:20,439 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:43:20,440 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:43:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3471 trivial. 0 not checked. [2024-11-28 04:43:20,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:20,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39800095] [2024-11-28 04:43:20,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39800095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:20,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:20,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:43:20,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298402887] [2024-11-28 04:43:20,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:20,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:20,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:20,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:20,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:20,711 INFO L87 Difference]: Start difference. First operand 2060 states and 2879 transitions. Second operand has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:21,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:21,171 INFO L93 Difference]: Finished difference Result 2065 states and 2886 transitions. [2024-11-28 04:43:21,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:43:21,172 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 861 [2024-11-28 04:43:21,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:21,183 INFO L225 Difference]: With dead ends: 2065 [2024-11-28 04:43:21,184 INFO L226 Difference]: Without dead ends: 2065 [2024-11-28 04:43:21,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:43:21,185 INFO L435 NwaCegarLoop]: 453 mSDtfsCounter, 14 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:21,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1968 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:43:21,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states. [2024-11-28 04:43:21,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 2062. [2024-11-28 04:43:21,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 2038 states have (on average 1.3959764474975467) internal successors, (2845), 2045 states have internal predecessors, (2845), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:43:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2881 transitions. [2024-11-28 04:43:21,239 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2881 transitions. Word has length 861 [2024-11-28 04:43:21,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:21,241 INFO L471 AbstractCegarLoop]: Abstraction has 2062 states and 2881 transitions. [2024-11-28 04:43:21,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2881 transitions. [2024-11-28 04:43:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 863 [2024-11-28 04:43:21,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:21,270 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:21,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:43:21,271 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:21,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:21,272 INFO L85 PathProgramCache]: Analyzing trace with hash 17596988, now seen corresponding path program 1 times [2024-11-28 04:43:21,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:21,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48301335] [2024-11-28 04:43:21,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:21,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3471 trivial. 0 not checked. [2024-11-28 04:43:24,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:24,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48301335] [2024-11-28 04:43:24,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48301335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:24,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:24,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:43:24,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455383366] [2024-11-28 04:43:24,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:24,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:43:24,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:24,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:43:24,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:43:24,841 INFO L87 Difference]: Start difference. First operand 2062 states and 2881 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:25,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:25,262 INFO L93 Difference]: Finished difference Result 2067 states and 2887 transitions. [2024-11-28 04:43:25,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:43:25,263 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 862 [2024-11-28 04:43:25,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:25,273 INFO L225 Difference]: With dead ends: 2067 [2024-11-28 04:43:25,274 INFO L226 Difference]: Without dead ends: 2067 [2024-11-28 04:43:25,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:43:25,275 INFO L435 NwaCegarLoop]: 447 mSDtfsCounter, 15 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2362 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:25,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2362 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:43:25,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2024-11-28 04:43:25,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 2066. [2024-11-28 04:43:25,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2066 states, 2042 states have (on average 1.3956904995102841) internal successors, (2850), 2049 states have internal predecessors, (2850), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:43:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2886 transitions. [2024-11-28 04:43:25,353 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2886 transitions. Word has length 862 [2024-11-28 04:43:25,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:25,355 INFO L471 AbstractCegarLoop]: Abstraction has 2066 states and 2886 transitions. [2024-11-28 04:43:25,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:43:25,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2886 transitions. [2024-11-28 04:43:25,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 863 [2024-11-28 04:43:25,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:25,368 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:25,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:43:25,368 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:43:25,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:25,369 INFO L85 PathProgramCache]: Analyzing trace with hash -252004912, now seen corresponding path program 1 times [2024-11-28 04:43:25,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:25,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833687929] [2024-11-28 04:43:25,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:25,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 515 proven. 3 refuted. 0 times theorem prover too weak. 2953 trivial. 0 not checked. [2024-11-28 04:51:04,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:04,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833687929] [2024-11-28 04:51:04,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833687929] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:51:04,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705498999] [2024-11-28 04:51:04,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:04,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:51:04,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:04,191 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:51:04,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:51:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:29,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 4166 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 04:51:29,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 3145 trivial. 0 not checked. [2024-11-28 04:51:29,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:51:29,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705498999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:29,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:51:29,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2024-11-28 04:51:29,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742009554] [2024-11-28 04:51:29,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:29,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:51:29,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:29,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:51:29,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:51:29,279 INFO L87 Difference]: Start difference. First operand 2066 states and 2886 transitions. Second operand has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:51:29,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:29,986 INFO L93 Difference]: Finished difference Result 2426 states and 3316 transitions. [2024-11-28 04:51:29,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:51:29,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 862 [2024-11-28 04:51:29,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:29,995 INFO L225 Difference]: With dead ends: 2426 [2024-11-28 04:51:29,995 INFO L226 Difference]: Without dead ends: 2426 [2024-11-28 04:51:29,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 859 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:51:29,997 INFO L435 NwaCegarLoop]: 455 mSDtfsCounter, 13 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:51:29,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1720 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:51:30,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2024-11-28 04:51:30,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 2376. [2024-11-28 04:51:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2352 states have (on average 1.369047619047619) internal successors, (3220), 2359 states have internal predecessors, (3220), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:51:30,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3256 transitions. [2024-11-28 04:51:30,141 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3256 transitions. Word has length 862 [2024-11-28 04:51:30,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:30,141 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3256 transitions. [2024-11-28 04:51:30,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:51:30,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3256 transitions. [2024-11-28 04:51:30,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2024-11-28 04:51:30,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:30,153 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:51:30,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:51:30,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 04:51:30,355 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:51:30,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:30,356 INFO L85 PathProgramCache]: Analyzing trace with hash 665740122, now seen corresponding path program 1 times [2024-11-28 04:51:30,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:30,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530777437] [2024-11-28 04:51:30,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:30,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3561 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 3217 trivial. 0 not checked. [2024-11-28 04:51:32,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:51:32,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530777437] [2024-11-28 04:51:32,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530777437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:51:32,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:51:32,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:51:32,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292473351] [2024-11-28 04:51:32,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:51:32,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:51:32,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:51:32,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:51:32,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:51:32,698 INFO L87 Difference]: Start difference. First operand 2376 states and 3256 transitions. Second operand has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:51:33,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:51:33,302 INFO L93 Difference]: Finished difference Result 2446 states and 3336 transitions. [2024-11-28 04:51:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:51:33,303 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 882 [2024-11-28 04:51:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:51:33,312 INFO L225 Difference]: With dead ends: 2446 [2024-11-28 04:51:33,312 INFO L226 Difference]: Without dead ends: 2446 [2024-11-28 04:51:33,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:51:33,313 INFO L435 NwaCegarLoop]: 458 mSDtfsCounter, 9 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:51:33,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1747 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:51:33,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2024-11-28 04:51:33,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2416. [2024-11-28 04:51:33,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2416 states, 2392 states have (on average 1.367056856187291) internal successors, (3270), 2399 states have internal predecessors, (3270), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:51:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2416 states and 3306 transitions. [2024-11-28 04:51:33,383 INFO L78 Accepts]: Start accepts. Automaton has 2416 states and 3306 transitions. Word has length 882 [2024-11-28 04:51:33,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:51:33,383 INFO L471 AbstractCegarLoop]: Abstraction has 2416 states and 3306 transitions. [2024-11-28 04:51:33,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:51:33,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 3306 transitions. [2024-11-28 04:51:33,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 893 [2024-11-28 04:51:33,405 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:51:33,405 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:51:33,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:51:33,406 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:51:33,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:33,410 INFO L85 PathProgramCache]: Analyzing trace with hash -752930852, now seen corresponding path program 1 times [2024-11-28 04:51:33,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:51:33,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607595726] [2024-11-28 04:51:33,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:33,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3606 backedges. 542 proven. 3 refuted. 0 times theorem prover too weak. 3061 trivial. 0 not checked. [2024-11-28 04:54:55,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:55,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607595726] [2024-11-28 04:54:55,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607595726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:54:55,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157496206] [2024-11-28 04:54:55,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:55,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:54:55,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:54:55,214 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:54:55,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:55:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:32,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 4166 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-28 04:55:32,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:32,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 04:55:32,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-28 04:55:33,511 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2024-11-28 04:55:33,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2024-11-28 04:55:33,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:55:33,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 04:55:34,095 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:55:34,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4286282 treesize of output 3702589 [2024-11-28 04:55:34,295 INFO L349 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2024-11-28 04:55:34,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 611095 treesize of output 533270 [2024-11-28 04:55:34,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-28 04:55:34,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2024-11-28 04:55:35,191 INFO L349 Elim1Store]: treesize reduction 4149, result has 0.0 percent of original size [2024-11-28 04:55:35,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 27 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 32 new quantified variables, introduced 90 case distinctions, treesize of input 1436535 treesize of output 1225916 [2024-11-28 04:55:35,639 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:55:35,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 850163 treesize of output 767430 [2024-11-28 04:55:35,997 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:55:36,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4946970 treesize of output 4279085 [2024-11-28 04:55:36,628 INFO L349 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2024-11-28 04:55:36,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 301399 treesize of output 269178 [2024-11-28 04:55:36,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-28 04:55:36,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2024-11-28 04:55:37,013 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-28 04:55:37,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 17 case distinctions, treesize of input 1049141 treesize of output 899687 [2024-11-28 04:55:38,583 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 04:55:38,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 25042341 treesize of output 23106040 [2024-11-28 04:55:39,521 INFO L349 Elim1Store]: treesize reduction 2339, result has 0.0 percent of original size [2024-11-28 04:55:39,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 17 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 22 new quantified variables, introduced 55 case distinctions, treesize of input 16321179 treesize of output 14778771 [2024-11-28 04:55:43,128 INFO L349 Elim1Store]: treesize reduction 8515, result has 0.0 percent of original size [2024-11-28 04:55:43,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 34 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 40 new quantified variables, introduced 133 case distinctions, treesize of input 33107102 treesize of output 28834081 [2024-11-28 04:55:43,455 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-28 04:55:43,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 17 case distinctions, treesize of input 14176317 treesize of output 12826448 [2024-11-28 04:55:44,782 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 04:55:44,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 25644157 treesize of output 23652230 [2024-11-28 04:55:45,015 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:55:45,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 1785524 treesize of output 1460445 [2024-11-28 04:55:45,226 INFO L349 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2024-11-28 04:55:45,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1838137 treesize of output 1665974 [2024-11-28 04:55:45,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-28 04:55:45,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2024-11-28 04:55:45,561 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:55:45,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5520980 treesize of output 4834763 [2024-11-28 04:55:45,803 INFO L349 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2024-11-28 04:55:45,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1967670 treesize of output 1781884 [2024-11-28 04:55:45,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 04:55:46,711 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 04:55:46,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1405984 treesize of output 1235385 [2024-11-28 04:55:46,900 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:55:46,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 420663 treesize of output 369556 [2024-11-28 04:55:47,176 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:55:47,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4756730 treesize of output 4108149 [2024-11-28 04:55:48,312 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:55:48,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 662423 treesize of output 1 [2024-11-28 04:55:48,523 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:55:48,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5417418 treesize of output 4684645 [2024-11-28 04:55:48,606 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:55:48,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 328173 treesize of output 1 [2024-11-28 04:55:48,758 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:55:48,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 451883 treesize of output 396600 [2024-11-28 04:55:49,673 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 04:55:49,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1550944 treesize of output 1372341 [2024-11-28 04:55:49,906 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-28 04:55:49,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 17 case distinctions, treesize of input 992899 treesize of output 852686 [2024-11-28 04:55:51,254 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 04:55:51,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 24464123 treesize of output 22598476 [2024-11-28 04:55:51,424 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-28 04:55:51,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 17 case distinctions, treesize of input 5325081 treesize of output 4612182 [2024-11-28 04:55:52,641 INFO L349 Elim1Store]: treesize reduction 3169, result has 0.0 percent of original size [2024-11-28 04:55:52,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 22 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 27 new quantified variables, introduced 72 case distinctions, treesize of input 12017385 treesize of output 10594852 [2024-11-28 04:55:56,293 INFO L349 Elim1Store]: treesize reduction 8515, result has 0.0 percent of original size [2024-11-28 04:55:56,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 34 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 40 new quantified variables, introduced 133 case distinctions, treesize of input 31301791 treesize of output 27137656 [2024-11-28 04:55:57,099 INFO L349 Elim1Store]: treesize reduction 2089, result has 0.0 percent of original size [2024-11-28 04:55:57,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 20 new quantified variables, introduced 48 case distinctions, treesize of input 2682563 treesize of output 2264600 [2024-11-28 04:55:57,307 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:55:57,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 512863 treesize of output 1 [2024-11-28 04:55:57,521 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:55:57,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4539156 treesize of output 3926979 [2024-11-28 04:55:57,991 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 04:55:57,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1389403 treesize of output 1213162 [2024-11-28 04:55:58,338 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:55:58,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 721387 treesize of output 656209 [2024-11-28 04:55:58,503 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:55:58,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 570493 treesize of output 1 [2024-11-28 04:55:58,665 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:55:58,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 3878468 treesize of output 3350483 [2024-11-28 04:55:58,847 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:55:58,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 563727 treesize of output 1 [2024-11-28 04:55:59,063 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:55:59,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5009604 treesize of output 4332539 [2024-11-28 04:55:59,753 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:55:59,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4348916 treesize of output 3756043 [2024-11-28 04:55:59,984 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:55:59,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 677633 treesize of output 1 [2024-11-28 04:56:00,212 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:56:00,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 584771 treesize of output 531992 [2024-11-28 04:56:00,960 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 04:56:00,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1399079 treesize of output 1236626 [2024-11-28 04:56:01,204 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:01,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 568685 treesize of output 1 [2024-11-28 04:56:01,364 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:01,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 3876660 treesize of output 3348939 [2024-11-28 04:56:01,905 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:01,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4537348 treesize of output 3925435 [2024-11-28 04:56:02,169 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:02,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 511419 treesize of output 1 [2024-11-28 04:56:02,855 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 04:56:02,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1254119 treesize of output 1099670 [2024-11-28 04:56:03,062 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:56:03,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 269285 treesize of output 238082 [2024-11-28 04:56:03,160 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:03,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1745587 treesize of output 1 [2024-11-28 04:56:03,294 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:03,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4338590 treesize of output 3774091 [2024-11-28 04:56:03,424 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:03,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1878596 treesize of output 1 [2024-11-28 04:56:03,559 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:03,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5114212 treesize of output 4476001 [2024-11-28 04:56:03,937 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 04:56:03,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1352900 treesize of output 1180191 [2024-11-28 04:56:04,255 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:56:04,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 719193 treesize of output 654293 [2024-11-28 04:56:04,343 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:04,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1877114 treesize of output 1 [2024-11-28 04:56:04,472 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:04,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5112726 treesize of output 4474667 [2024-11-28 04:56:04,552 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:04,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1748547 treesize of output 1 [2024-11-28 04:56:04,690 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:04,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 1577504 treesize of output 1279207 [2024-11-28 04:56:05,035 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:56:05,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 705049 treesize of output 644377 [2024-11-28 04:56:05,570 INFO L349 Elim1Store]: treesize reduction 2877, result has 0.0 percent of original size [2024-11-28 04:56:05,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 20 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 25 new quantified variables, introduced 63 case distinctions, treesize of input 4282112 treesize of output 3716798 [2024-11-28 04:56:07,030 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 04:56:07,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 51026361 treesize of output 47250760 [2024-11-28 04:56:07,223 INFO L349 Elim1Store]: treesize reduction 373, result has 0.3 percent of original size [2024-11-28 04:56:07,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 13973299 treesize of output 12767064 [2024-11-28 04:56:08,017 INFO L349 Elim1Store]: treesize reduction 1519, result has 0.1 percent of original size [2024-11-28 04:56:08,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 37348612 treesize of output 34527052 [2024-11-28 04:56:11,167 INFO L349 Elim1Store]: treesize reduction 8515, result has 0.0 percent of original size [2024-11-28 04:56:11,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 34 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 40 new quantified variables, introduced 133 case distinctions, treesize of input 35262227 treesize of output 31038824 [2024-11-28 04:56:11,349 INFO L349 Elim1Store]: treesize reduction 373, result has 0.3 percent of original size [2024-11-28 04:56:11,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 12570497 treesize of output 11486186 [2024-11-28 04:56:12,676 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 04:56:12,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 50044013 treesize of output 46358412 [2024-11-28 04:56:12,958 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:56:12,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 747447 treesize of output 683563 [2024-11-28 04:56:13,718 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 04:56:13,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1402486 treesize of output 1239697 [2024-11-28 04:56:13,835 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:13,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1837827 treesize of output 1 [2024-11-28 04:56:14,107 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:14,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4347326 treesize of output 3754679 [2024-11-28 04:56:14,229 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:14,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1967360 treesize of output 1 [2024-11-28 04:56:14,433 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:14,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5008014 treesize of output 4331175 [2024-11-28 04:56:14,857 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:56:14,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 582222 treesize of output 529781 [2024-11-28 04:56:15,658 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 04:56:15,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1397912 treesize of output 1235633 [2024-11-28 04:56:15,843 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:15,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4347403 treesize of output 3754744 [2024-11-28 04:56:16,763 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:16,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 609978 treesize of output 1 [2024-11-28 04:56:16,888 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:16,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 301072 treesize of output 1 [2024-11-28 04:56:17,092 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:17,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5008091 treesize of output 4331240 [2024-11-28 04:56:17,613 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:17,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4537643 treesize of output 3925680 [2024-11-28 04:56:17,842 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:17,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 274298 treesize of output 1 [2024-11-28 04:56:17,900 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:17,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 558650 treesize of output 1 [2024-11-28 04:56:18,048 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:18,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 3876955 treesize of output 3349184 [2024-11-28 04:56:18,494 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 04:56:18,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1352990 treesize of output 1180267 [2024-11-28 04:56:18,725 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:56:18,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 719283 treesize of output 654369 [2024-11-28 04:56:18,813 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:18,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1782056 treesize of output 1 [2024-11-28 04:56:18,924 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:18,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 1577594 treesize of output 1279283 [2024-11-28 04:56:19,176 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 04:56:19,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5112816 treesize of output 4474743 [2024-11-28 04:56:19,452 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 04:56:19,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1877204 treesize of output 1 [2024-11-28 04:56:20,185 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 04:56:20,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1252952 treesize of output 1098677 [2024-11-28 04:56:20,352 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 04:56:20,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 268092 treesize of output 237059 [2024-11-28 04:56:21,129 INFO L349 Elim1Store]: treesize reduction 2089, result has 0.0 percent of original size [2024-11-28 04:56:21,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 20 new quantified variables, introduced 48 case distinctions, treesize of input 18822764 treesize of output 17386347 [2024-11-28 04:56:24,269 INFO L349 Elim1Store]: treesize reduction 8515, result has 0.0 percent of original size [2024-11-28 04:56:24,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 34 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 40 new quantified variables, introduced 133 case distinctions, treesize of input 35262378 treesize of output 31038947 [2024-11-28 04:56:26,043 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 04:56:26,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 25980824 treesize of output 23986523 [2024-11-28 04:56:26,316 INFO L349 Elim1Store]: treesize reduction 373, result has 0.3 percent of original size [2024-11-28 04:56:26,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 16625320 treesize of output 15207653 [2024-11-28 04:56:26,539 INFO L349 Elim1Store]: treesize reduction 373, result has 0.3 percent of original size [2024-11-28 04:56:26,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 16291530 treesize of output 14901945 [2024-11-28 04:56:27,997 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 04:56:28,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 25431888 treesize of output 23485813 [2024-11-28 04:56:28,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 04:56:28,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:56:28,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-28 04:56:28,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-11-28 04:56:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3606 backedges. 944 proven. 34 refuted. 0 times theorem prover too weak. 2628 trivial. 0 not checked. [2024-11-28 04:56:29,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:56:32,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157496206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:56:32,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:56:32,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 18] total 20 [2024-11-28 04:56:32,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044111765] [2024-11-28 04:56:32,451 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:56:32,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 04:56:32,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:56:32,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 04:56:32,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=748, Unknown=0, NotChecked=0, Total=870 [2024-11-28 04:56:32,454 INFO L87 Difference]: Start difference. First operand 2416 states and 3306 transitions. Second operand has 20 states, 20 states have (on average 17.55) internal successors, (351), 20 states have internal predecessors, (351), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:56:38,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:56:38,381 INFO L93 Difference]: Finished difference Result 2600 states and 3548 transitions. [2024-11-28 04:56:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 04:56:38,382 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 17.55) internal successors, (351), 20 states have internal predecessors, (351), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 892 [2024-11-28 04:56:38,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:56:38,391 INFO L225 Difference]: With dead ends: 2600 [2024-11-28 04:56:38,392 INFO L226 Difference]: Without dead ends: 2600 [2024-11-28 04:56:38,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1733 GetRequests, 1688 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=271, Invalid=1535, Unknown=0, NotChecked=0, Total=1806 [2024-11-28 04:56:38,393 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 1225 mSDsluCounter, 6102 mSDsCounter, 0 mSdLazyCounter, 2543 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 6763 SdHoareTripleChecker+Invalid, 2564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:56:38,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 6763 Invalid, 2564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2543 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-28 04:56:38,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2600 states. [2024-11-28 04:56:38,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2600 to 2424. [2024-11-28 04:56:38,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2424 states, 2399 states have (on average 1.366819508128387) internal successors, (3279), 2406 states have internal predecessors, (3279), 19 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:56:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2424 states and 3315 transitions. [2024-11-28 04:56:38,446 INFO L78 Accepts]: Start accepts. Automaton has 2424 states and 3315 transitions. Word has length 892 [2024-11-28 04:56:38,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:56:38,446 INFO L471 AbstractCegarLoop]: Abstraction has 2424 states and 3315 transitions. [2024-11-28 04:56:38,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 17.55) internal successors, (351), 20 states have internal predecessors, (351), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:56:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 3315 transitions. [2024-11-28 04:56:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 894 [2024-11-28 04:56:38,457 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:56:38,458 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:56:38,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:56:38,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb2b07a-191a-4de8-9351-ba819ddcd902/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:56:38,659 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:56:38,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:56:38,659 INFO L85 PathProgramCache]: Analyzing trace with hash 75836589, now seen corresponding path program 1 times [2024-11-28 04:56:38,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:56:38,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391078680] [2024-11-28 04:56:38,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:56:38,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:56:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:56:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3590 backedges. 1008 proven. 0 refuted. 0 times theorem prover too weak. 2582 trivial. 0 not checked. [2024-11-28 04:56:40,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:56:40,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391078680] [2024-11-28 04:56:40,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391078680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:56:40,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:56:40,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:56:40,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337673719] [2024-11-28 04:56:40,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:56:40,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:56:40,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:56:40,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:56:40,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:56:40,261 INFO L87 Difference]: Start difference. First operand 2424 states and 3315 transitions. Second operand has 7 states, 7 states have (on average 39.714285714285715) internal successors, (278), 7 states have internal predecessors, (278), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:56:40,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:56:40,900 INFO L93 Difference]: Finished difference Result 2544 states and 3475 transitions. [2024-11-28 04:56:40,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:56:40,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 39.714285714285715) internal successors, (278), 7 states have internal predecessors, (278), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 893 [2024-11-28 04:56:40,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:56:40,911 INFO L225 Difference]: With dead ends: 2544 [2024-11-28 04:56:40,911 INFO L226 Difference]: Without dead ends: 2544 [2024-11-28 04:56:40,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:56:40,912 INFO L435 NwaCegarLoop]: 453 mSDtfsCounter, 13 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2072 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:56:40,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2072 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:56:40,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2024-11-28 04:56:40,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2504. [2024-11-28 04:56:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2504 states, 2479 states have (on average 1.3670835014118596) internal successors, (3389), 2486 states have internal predecessors, (3389), 19 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:56:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 3425 transitions. [2024-11-28 04:56:40,960 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 3425 transitions. Word has length 893 [2024-11-28 04:56:40,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:56:40,961 INFO L471 AbstractCegarLoop]: Abstraction has 2504 states and 3425 transitions. [2024-11-28 04:56:40,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 39.714285714285715) internal successors, (278), 7 states have internal predecessors, (278), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:56:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 3425 transitions. [2024-11-28 04:56:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 894 [2024-11-28 04:56:40,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:56:40,971 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:56:40,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:56:40,972 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:56:40,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:56:40,973 INFO L85 PathProgramCache]: Analyzing trace with hash 630888265, now seen corresponding path program 1 times [2024-11-28 04:56:40,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:56:40,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700953418] [2024-11-28 04:56:40,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:56:40,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms