./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bbb47797d2c6a4d5e961c4dfd7a8e6f4ff79c632e04c289068b1b9e8cca736fa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:36:20,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:36:21,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-27 06:36:21,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:36:21,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:36:21,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:36:21,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:36:21,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:36:21,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:36:21,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:36:21,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:36:21,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:36:21,092 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:36:21,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:36:21,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:36:21,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:36:21,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:36:21,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:36:21,093 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 06:36:21,093 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 06:36:21,093 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-27 06:36:21,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:36:21,093 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 06:36:21,093 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 06:36:21,093 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:36:21,093 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:36:21,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:36:21,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:36:21,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:36:21,094 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:36:21,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:36:21,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:36:21,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:36:21,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:36:21,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:36:21,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:36:21,095 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:36:21,095 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-27 06:36:21,095 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:36:21,095 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:36:21,095 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:36:21,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter 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 -> bbb47797d2c6a4d5e961c4dfd7a8e6f4ff79c632e04c289068b1b9e8cca736fa [2024-11-27 06:36:21,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:36:21,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:36:21,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:36:21,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:36:21,382 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:36:21,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2024-11-27 06:36:24,357 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/data/689ce2d8b/9808ce0478a94a2ba588d30a88d3b26a/FLAGa17f28218 [2024-11-27 06:36:24,800 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:36:24,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2024-11-27 06:36:24,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/data/689ce2d8b/9808ce0478a94a2ba588d30a88d3b26a/FLAGa17f28218 [2024-11-27 06:36:24,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/data/689ce2d8b/9808ce0478a94a2ba588d30a88d3b26a [2024-11-27 06:36:24,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:36:24,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:36:24,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:36:24,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:36:24,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:36:24,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:36:24" (1/1) ... [2024-11-27 06:36:24,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121fb7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:24, skipping insertion in model container [2024-11-27 06:36:24,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:36:24" (1/1) ... [2024-11-27 06:36:25,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:36:25,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:36:25,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:36:25,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:36:25,871 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:36:25,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25 WrapperNode [2024-11-27 06:36:25,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:36:25,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:36:25,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:36:25,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:36:25,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,920 INFO L138 Inliner]: procedures = 372, calls = 43, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 132 [2024-11-27 06:36:25,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:36:25,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:36:25,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:36:25,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:36:25,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,943 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:36:25,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:36:25,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:36:25,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:36:25,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (1/1) ... [2024-11-27 06:36:25,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:36:25,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:25,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:36:25,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:36:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-27 06:36:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-27 06:36:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 06:36:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:36:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:36:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 06:36:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:36:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:36:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-27 06:36:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 06:36:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 06:36:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:36:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:36:26,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:36:26,026 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 06:36:26,226 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:36:26,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:36:26,725 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:36:26,725 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:36:27,013 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:36:27,015 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 06:36:27,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:36:27 BoogieIcfgContainer [2024-11-27 06:36:27,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:36:27,018 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:36:27,018 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:36:27,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:36:27,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:36:24" (1/3) ... [2024-11-27 06:36:27,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6dc2ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:36:27, skipping insertion in model container [2024-11-27 06:36:27,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:25" (2/3) ... [2024-11-27 06:36:27,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6dc2ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:36:27, skipping insertion in model container [2024-11-27 06:36:27,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:36:27" (3/3) ... [2024-11-27 06:36:27,051 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_09-arraylist.i [2024-11-27 06:36:27,066 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:36:27,068 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_09-arraylist.i that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 37 error locations. [2024-11-27 06:36:27,069 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:36:27,144 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 06:36:27,214 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:36:27,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:36:27,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:27,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:36:27,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:36:27,331 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:36:27,342 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-27 06:36:27,351 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=PARTIAL_ORDER_FA, 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;@1c987111, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:36:27,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-27 06:36:27,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2024-11-27 06:36:27,632 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-27 06:36:27,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:27,637 INFO L85 PathProgramCache]: Analyzing trace with hash -184605094, now seen corresponding path program 1 times [2024-11-27 06:36:27,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:27,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068985652] [2024-11-27 06:36:27,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:27,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:27,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:27,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068985652] [2024-11-27 06:36:27,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068985652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:36:27,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:36:27,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:36:27,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154626837] [2024-11-27 06:36:27,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:36:27,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:36:27,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:27,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:36:27,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:36:27,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:27,973 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:27,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:27,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:28,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:36:28,078 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-27 06:36:28,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:28,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1269557928, now seen corresponding path program 1 times [2024-11-27 06:36:28,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:28,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170630305] [2024-11-27 06:36:28,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:28,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:28,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:28,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170630305] [2024-11-27 06:36:28,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170630305] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:36:28,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676607582] [2024-11-27 06:36:28,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:28,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:28,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:28,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:36:28,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 06:36:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:28,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 06:36:28,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:36:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:36:28,718 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 06:36:28,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676607582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:36:28,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 06:36:28,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2024-11-27 06:36:28,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742939365] [2024-11-27 06:36:28,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:36:28,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:36:28,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:28,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:36:28,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:36:28,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:28,722 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:28,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:28,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:28,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:28,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:28,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:28,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 06:36:29,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:29,113 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-27 06:36:29,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:29,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1269557927, now seen corresponding path program 1 times [2024-11-27 06:36:29,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:29,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093591544] [2024-11-27 06:36:29,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:29,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:29,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:29,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093591544] [2024-11-27 06:36:29,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093591544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:36:29,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479169540] [2024-11-27 06:36:29,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:29,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:29,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:29,355 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:36:29,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 06:36:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:29,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 06:36:29,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:36:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:29,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:36:29,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:29,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479169540] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:36:29,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:36:29,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-27 06:36:29,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516444668] [2024-11-27 06:36:29,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:36:29,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 06:36:29,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:29,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 06:36:29,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 06:36:29,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:29,613 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:29,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:29,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:29,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:29,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:29,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:29,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:29,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:29,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 06:36:29,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:29,935 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-27 06:36:29,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:29,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1836220077, now seen corresponding path program 2 times [2024-11-27 06:36:29,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:29,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859229553] [2024-11-27 06:36:29,936 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:36:29,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:30,014 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:36:30,018 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:36:30,169 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 06:36:30,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:30,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859229553] [2024-11-27 06:36:30,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859229553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:36:30,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:36:30,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:36:30,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294490310] [2024-11-27 06:36:30,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:36:30,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:36:30,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:30,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:36:30,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:36:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:30,172 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:30,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:30,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:30,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:30,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:30,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:30,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:30,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:30,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:30,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 06:36:30,412 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-27 06:36:30,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:30,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1088247067, now seen corresponding path program 1 times [2024-11-27 06:36:30,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:30,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094567479] [2024-11-27 06:36:30,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:30,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:30,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:30,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094567479] [2024-11-27 06:36:30,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094567479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:36:30,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649391646] [2024-11-27 06:36:30,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:30,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:30,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:30,990 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:36:30,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 06:36:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:31,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 06:36:31,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:36:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:31,421 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:36:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:31,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649391646] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:36:31,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:36:31,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-27 06:36:31,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135267724] [2024-11-27 06:36:31,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:36:31,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 06:36:31,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:31,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 06:36:31,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-27 06:36:31,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:31,552 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:31,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:31,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:31,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:31,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:31,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:31,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:31,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:31,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 06:36:31,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:31,961 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-27 06:36:31,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:31,962 INFO L85 PathProgramCache]: Analyzing trace with hash 497137137, now seen corresponding path program 2 times [2024-11-27 06:36:31,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:31,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107203214] [2024-11-27 06:36:31,962 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:36:31,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:32,190 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:36:32,190 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:36:32,945 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-11-27 06:36:32,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:32,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107203214] [2024-11-27 06:36:32,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107203214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:36:32,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:36:32,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:36:32,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393770746] [2024-11-27 06:36:32,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:36:32,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:36:32,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:32,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:36:32,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:36:32,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:32,948 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:32,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:32,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:32,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:32,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:32,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:32,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:32,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:33,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:33,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 06:36:33,083 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-27 06:36:33,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:33,083 INFO L85 PathProgramCache]: Analyzing trace with hash 497137138, now seen corresponding path program 1 times [2024-11-27 06:36:33,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:33,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722441874] [2024-11-27 06:36:33,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:33,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:35,544 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 423 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:35,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:35,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722441874] [2024-11-27 06:36:35,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722441874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:36:35,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886016556] [2024-11-27 06:36:35,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:35,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:35,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:35,548 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:36:35,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 06:36:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:36,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 2114 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 06:36:36,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:36:36,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:36,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2024-11-27 06:36:36,736 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:36:36,737 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 11 treesize of output 11 [2024-11-27 06:36:36,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:36:36,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2024-11-27 06:36:36,889 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:36:36,890 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 11 treesize of output 11 [2024-11-27 06:36:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 396 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:36,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:36:37,303 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:36:37,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 55 [2024-11-27 06:36:37,364 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 06:36:37,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 18 [2024-11-27 06:36:37,787 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 396 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:37,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886016556] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:36:37,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:36:37,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 18 [2024-11-27 06:36:37,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2884104] [2024-11-27 06:36:37,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:36:37,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-27 06:36:37,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:37,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 06:36:37,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-11-27 06:36:37,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:37,791 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:37,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.7368421052631575) internal successors, (128), 19 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:38,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:36:38,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 06:36:39,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:39,138 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] === [2024-11-27 06:36:39,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:39,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1768617431, now seen corresponding path program 1 times [2024-11-27 06:36:39,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:39,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114841181] [2024-11-27 06:36:39,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:39,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:37:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:37:34,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:37:34,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114841181] [2024-11-27 06:37:34,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114841181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:37:34,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346353566] [2024-11-27 06:37:34,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:37:34,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:37:34,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:37:34,622 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:37:34,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9c3ea-20d7-4933-8fe5-2737564800b3/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 06:37:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:37:39,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 2138 conjuncts, 445 conjuncts are in the unsatisfiable core [2024-11-27 06:37:39,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:37:39,911 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 [2024-11-27 06:37:40,271 INFO L349 Elim1Store]: treesize reduction 21, result has 44.7 percent of original size [2024-11-27 06:37:40,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 18 treesize of output 21 [2024-11-27 06:37:40,295 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:37:40,295 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 11 treesize of output 11 [2024-11-27 06:37:40,349 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 15 treesize of output 1 [2024-11-27 06:37:40,591 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 26 treesize of output 19 [2024-11-27 06:37:40,610 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 26 treesize of output 19 [2024-11-27 06:37:41,298 INFO L349 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2024-11-27 06:37:41,298 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 44 [2024-11-27 06:37:41,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-27 06:37:41,573 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 48 treesize of output 39 [2024-11-27 06:37:41,821 INFO L349 Elim1Store]: treesize reduction 32, result has 54.9 percent of original size [2024-11-27 06:37:41,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 61 [2024-11-27 06:37:41,836 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2024-11-27 06:37:41,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 29 treesize of output 35 [2024-11-27 06:37:42,146 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-27 06:37:42,147 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 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-27 06:37:42,151 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-27 06:37:42,155 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-27 06:37:42,375 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-27 06:37:42,376 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 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-27 06:37:42,648 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 57 treesize of output 33 [2024-11-27 06:37:42,693 INFO L349 Elim1Store]: treesize reduction 52, result has 42.9 percent of original size [2024-11-27 06:37:42,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 56 treesize of output 76 [2024-11-27 06:37:42,715 INFO L349 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2024-11-27 06:37:42,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 59 [2024-11-27 06:37:42,991 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 75 treesize of output 58 [2024-11-27 06:37:43,035 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 75 treesize of output 58 [2024-11-27 06:37:43,889 INFO L349 Elim1Store]: treesize reduction 17, result has 34.6 percent of original size [2024-11-27 06:37:43,889 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 89 [2024-11-27 06:37:43,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 3 [2024-11-27 06:37:44,218 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 88 treesize of output 69 [2024-11-27 06:37:44,685 INFO L349 Elim1Store]: treesize reduction 32, result has 58.4 percent of original size [2024-11-27 06:37:44,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 168 [2024-11-27 06:37:44,953 INFO L349 Elim1Store]: treesize reduction 92, result has 72.7 percent of original size [2024-11-27 06:37:44,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 132 treesize of output 340 [2024-11-27 06:41:56,826 WARN L286 SmtUtils]: Spent 1.03m on a formula simplification. DAG size of input: 1602 DAG size of output: 1527 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:43:30,178 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-27 06:43:30,203 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 1 case distinctions, treesize of input 63801 treesize of output 56628 [2024-11-27 06:45:01,638 WARN L286 SmtUtils]: Spent 9.93s on a formula simplification. DAG size of input: 25788 DAG size of output: 29504 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 06:45:06,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 4837 treesize of output 4685 [2024-11-27 06:45:14,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7754 treesize of output 6238 [2024-11-27 06:45:36,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2693 treesize of output 2153 [2024-11-27 06:45:43,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 5645 treesize of output 4773 [2024-11-27 06:45:57,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 4239 treesize of output 4125 [2024-11-27 06:46:04,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 9008 treesize of output 7320 [2024-11-27 06:47:00,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 422 treesize of output 348 [2024-11-27 06:47:01,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13140 treesize of output 10612 [2024-11-27 06:47:53,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 4370 treesize of output 4250 [2024-11-27 06:47:59,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 751 treesize of output 633