./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca --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 d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:33:26,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:33:26,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-23 11:33:26,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:33:26,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:33:26,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:33:26,779 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:33:26,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:33:26,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:33:26,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:33:26,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:33:26,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:33:26,780 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:33:26,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:33:26,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:33:26,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:33:26,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:33:26,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:33:26,781 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-23 11:33:26,781 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-23 11:33:26,782 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-23 11:33:26,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:33:26,782 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 11:33:26,782 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 11:33:26,782 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:33:26,782 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:33:26,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:33:26,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:33:26,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:33:26,783 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:33:26,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:33:26,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:33:26,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:33:26,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:33:26,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:33:26,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:33:26,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:33:26,784 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-23 11:33:26,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:33:26,784 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:33:26,784 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:33:26,784 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_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca 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 -> d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 [2024-11-23 11:33:27,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:33:27,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:33:27,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:33:27,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:33:27,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:33:27,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2024-11-23 11:33:30,210 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/data/43f6d6537/3df8440cf6cf442d86da3ac1ac390ea5/FLAGf60f5c5da [2024-11-23 11:33:30,494 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:33:30,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2024-11-23 11:33:30,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/data/43f6d6537/3df8440cf6cf442d86da3ac1ac390ea5/FLAGf60f5c5da [2024-11-23 11:33:30,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/data/43f6d6537/3df8440cf6cf442d86da3ac1ac390ea5 [2024-11-23 11:33:30,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:33:30,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:33:30,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:33:30,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:33:30,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:33:30,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35501548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30, skipping insertion in model container [2024-11-23 11:33:30,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:33:30,784 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 11:33:30,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:33:30,807 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:33:30,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:33:30,880 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:33:30,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30 WrapperNode [2024-11-23 11:33:30,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:33:30,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:33:30,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:33:30,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:33:30,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,937 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 138 [2024-11-23 11:33:30,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:33:30,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:33:30,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:33:30,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:33:30,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,962 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:33:30,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:33:30,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:33:30,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:33:30,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (1/1) ... [2024-11-23 11:33:30,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:33:31,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:31,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:33:31,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:33:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:33:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-23 11:33:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-23 11:33:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-23 11:33:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-23 11:33:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:33:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 11:33:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 11:33:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 11:33:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 11:33:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:33:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:33:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 11:33:31,069 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:33:31,164 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:33:31,166 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:33:31,594 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:33:31,595 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:33:31,901 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:33:31,902 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-23 11:33:31,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:31 BoogieIcfgContainer [2024-11-23 11:33:31,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:33:31,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:33:31,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:33:31,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:33:31,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:33:30" (1/3) ... [2024-11-23 11:33:31,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edf3377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:31, skipping insertion in model container [2024-11-23 11:33:31,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:30" (2/3) ... [2024-11-23 11:33:31,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edf3377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:31, skipping insertion in model container [2024-11-23 11:33:31,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:31" (3/3) ... [2024-11-23 11:33:31,932 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2024-11-23 11:33:31,948 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:33:31,949 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-send-receive-alt.wvr.c that has 3 procedures, 38 locations, 1 initial locations, 3 loop locations, and 10 error locations. [2024-11-23 11:33:31,950 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:33:32,024 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-23 11:33:32,091 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:33:32,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:33:32,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:32,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:33:32,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:33:32,174 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:33:32,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2024-11-23 11:33:32,193 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;@74358639, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:33:32,193 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-23 11:33:32,463 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2024-11-23 11:33:32,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:32,469 INFO L85 PathProgramCache]: Analyzing trace with hash -478344103, now seen corresponding path program 1 times [2024-11-23 11:33:32,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:32,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190718385] [2024-11-23 11:33:32,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:32,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:32,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:32,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190718385] [2024-11-23 11:33:32,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190718385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:32,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:32,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:33:32,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234325281] [2024-11-23 11:33:32,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:32,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:33:32,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:32,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:33:32,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:33:32,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:32,906 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:32,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-23 11:33:32,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:33,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:33,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:33:33,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2024-11-23 11:33:33,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:33,153 INFO L85 PathProgramCache]: Analyzing trace with hash -478344102, now seen corresponding path program 1 times [2024-11-23 11:33:33,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:33,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40440701] [2024-11-23 11:33:33,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:33,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:33,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:33,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40440701] [2024-11-23 11:33:33,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40440701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:33,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:33,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:33:33,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226169379] [2024-11-23 11:33:33,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:33,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:33:33,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:33,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:33:33,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:33:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:33,353 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:33,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-23 11:33:33,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:33,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:33,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 11:33:33,555 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2024-11-23 11:33:33,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:33,556 INFO L85 PathProgramCache]: Analyzing trace with hash -2126182847, now seen corresponding path program 1 times [2024-11-23 11:33:33,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:33,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771837896] [2024-11-23 11:33:33,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:33,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:34,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:34,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771837896] [2024-11-23 11:33:34,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771837896] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:33:34,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867191843] [2024-11-23 11:33:34,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:34,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:34,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:34,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:33:34,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 11:33:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:34,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 11:33:34,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:33:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:34,336 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 11:33:34,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867191843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:34,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 11:33:34,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-23 11:33:34,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932373824] [2024-11-23 11:33:34,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:34,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:33:34,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:34,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:33:34,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 11:33:34,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:34,340 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:34,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2024-11-23 11:33:34,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:34,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:34,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:34,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:34,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:34,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:34,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 4 remaining) [2024-11-23 11:33:34,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 4 remaining) [2024-11-23 11:33:34,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 4 remaining) [2024-11-23 11:33:34,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 4 remaining) [2024-11-23 11:33:34,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 11:33:35,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:35,025 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 11:33:35,028 INFO L319 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE (1/3) [2024-11-23 11:33:35,033 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:33:35,036 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:33:35,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2024-11-23 11:33:35,038 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;@74358639, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:33:35,038 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 11:33:35,208 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2024-11-23 11:33:35,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:35,210 INFO L85 PathProgramCache]: Analyzing trace with hash 952520464, now seen corresponding path program 1 times [2024-11-23 11:33:35,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:35,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000542389] [2024-11-23 11:33:35,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:35,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:35,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:35,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000542389] [2024-11-23 11:33:35,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000542389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:35,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:35,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 11:33:35,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582480099] [2024-11-23 11:33:35,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:35,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:33:35,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:35,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:33:35,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:33:35,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:35,293 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:35,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2024-11-23 11:33:35,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:35,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 11:33:35,731 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2024-11-23 11:33:35,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:35,731 INFO L85 PathProgramCache]: Analyzing trace with hash 620953715, now seen corresponding path program 1 times [2024-11-23 11:33:35,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:35,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753896416] [2024-11-23 11:33:35,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:35,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:35,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:35,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:35,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753896416] [2024-11-23 11:33:35,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753896416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:35,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:35,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:33:35,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875896501] [2024-11-23 11:33:35,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:35,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:33:35,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:35,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:33:35,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:33:35,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:35,811 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:35,811 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) [2024-11-23 11:33:35,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:35,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:36,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:36,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 11:33:36,219 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2024-11-23 11:33:36,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:36,219 INFO L85 PathProgramCache]: Analyzing trace with hash 620953716, now seen corresponding path program 1 times [2024-11-23 11:33:36,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:36,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909995736] [2024-11-23 11:33:36,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:36,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:36,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:36,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909995736] [2024-11-23 11:33:36,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909995736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:36,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:36,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:33:36,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236964186] [2024-11-23 11:33:36,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:36,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:33:36,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:36,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:33:36,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:33:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:36,342 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:36,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) 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) [2024-11-23 11:33:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:36,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:36,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 11:33:36,771 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2024-11-23 11:33:36,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:36,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1703027547, now seen corresponding path program 1 times [2024-11-23 11:33:36,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:36,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312188548] [2024-11-23 11:33:36,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:36,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:36,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:36,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312188548] [2024-11-23 11:33:36,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312188548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:33:36,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102142993] [2024-11-23 11:33:36,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:36,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:36,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:36,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:33:36,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 11:33:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:37,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 11:33:37,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:33:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:33:37,123 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 11:33:37,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102142993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:37,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 11:33:37,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6 [2024-11-23 11:33:37,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189794762] [2024-11-23 11:33:37,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:37,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:33:37,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:37,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:33:37,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 11:33:37,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:37,125 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:37,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) 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) [2024-11-23 11:33:37,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:37,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:37,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:37,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:37,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:37,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:37,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:37,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:37,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 11:33:37,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-23 11:33:37,567 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2024-11-23 11:33:37,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:37,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1610312080, now seen corresponding path program 1 times [2024-11-23 11:33:37,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:37,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299776016] [2024-11-23 11:33:37,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:37,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:37,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:37,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299776016] [2024-11-23 11:33:37,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299776016] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:33:37,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010010400] [2024-11-23 11:33:37,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:37,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:37,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:37,756 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:33:37,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 11:33:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:37,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 11:33:37,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:33:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:37,954 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:33:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:38,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010010400] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:33:38,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:33:38,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-11-23 11:33:38,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547286452] [2024-11-23 11:33:38,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:33:38,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-23 11:33:38,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:38,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-23 11:33:38,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-23 11:33:38,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:38,094 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:38,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 14 states have internal predecessors, (45), 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) [2024-11-23 11:33:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:33:38,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 11:33:38,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-23 11:33:38,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2024-11-23 11:33:38,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:38,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1187688873, now seen corresponding path program 2 times [2024-11-23 11:33:38,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:38,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873695533] [2024-11-23 11:33:38,513 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:33:38,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:38,537 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:33:38,538 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:33:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-23 11:33:38,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:38,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873695533] [2024-11-23 11:33:38,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873695533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:38,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:38,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:33:38,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8330272] [2024-11-23 11:33:38,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:38,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:33:38,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:38,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:33:38,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 11:33:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:38,719 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:38,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:33:38,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:38,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:38,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:38,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:38,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:33:38,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:39,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:39,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:39,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:39,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:39,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:33:39,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:39,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 2 remaining) [2024-11-23 11:33:39,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 2 remaining) [2024-11-23 11:33:39,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 11:33:39,565 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-11-23 11:33:39,565 INFO L319 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE (2/3) [2024-11-23 11:33:39,567 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:33:39,573 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:33:39,573 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:33:39,574 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;@74358639, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:33:39,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-23 11:33:39,591 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:39,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:39,591 INFO L85 PathProgramCache]: Analyzing trace with hash 456708, now seen corresponding path program 1 times [2024-11-23 11:33:39,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:39,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081162108] [2024-11-23 11:33:39,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:39,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:39,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:39,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081162108] [2024-11-23 11:33:39,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081162108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:39,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:39,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 11:33:39,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290129580] [2024-11-23 11:33:39,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:39,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:33:39,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:39,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:33:39,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:33:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:39,624 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:39,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-11-23 11:33:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:39,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:39,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 11:33:39,647 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:39,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:39,648 INFO L85 PathProgramCache]: Analyzing trace with hash 456709, now seen corresponding path program 1 times [2024-11-23 11:33:39,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:39,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971059698] [2024-11-23 11:33:39,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:39,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:39,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:39,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:39,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971059698] [2024-11-23 11:33:39,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971059698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:39,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:39,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:33:39,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118703081] [2024-11-23 11:33:39,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:39,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:33:39,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:39,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:33:39,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:33:39,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:39,844 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:39,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-11-23 11:33:39,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:39,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:39,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:39,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:39,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 11:33:39,900 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:39,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:39,901 INFO L85 PathProgramCache]: Analyzing trace with hash 438911998, now seen corresponding path program 1 times [2024-11-23 11:33:39,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:39,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667188029] [2024-11-23 11:33:39,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:39,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:40,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:40,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:40,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667188029] [2024-11-23 11:33:40,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667188029] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:33:40,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890553714] [2024-11-23 11:33:40,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:40,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:40,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:40,169 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:33:40,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 11:33:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:40,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 11:33:40,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:33:40,293 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 8 treesize of output 1 [2024-11-23 11:33:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:40,475 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:33:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:40,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890553714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:33:40,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:33:40,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2024-11-23 11:33:40,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149817203] [2024-11-23 11:33:40,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:33:40,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 11:33:40,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:40,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 11:33:40,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-23 11:33:40,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:40,626 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:40,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2024-11-23 11:33:40,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:40,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:40,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:41,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:41,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:41,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:41,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 11:33:41,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 11:33:41,721 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:41,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:41,722 INFO L85 PathProgramCache]: Analyzing trace with hash 112999210, now seen corresponding path program 1 times [2024-11-23 11:33:41,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:41,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704742448] [2024-11-23 11:33:41,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:41,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:42,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:42,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704742448] [2024-11-23 11:33:42,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704742448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:33:42,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191398322] [2024-11-23 11:33:42,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:42,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:42,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:42,397 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:33:42,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 11:33:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:42,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 11:33:42,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:33:42,552 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 23 treesize of output 1 [2024-11-23 11:33:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:42,823 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:33:43,611 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 61 treesize of output 55 [2024-11-23 11:33:43,628 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:33:43,628 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 78 treesize of output 68 [2024-11-23 11:33:43,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:43,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191398322] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:33:43,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:33:43,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2024-11-23 11:33:43,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012599270] [2024-11-23 11:33:43,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:33:43,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-23 11:33:43,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:43,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-23 11:33:43,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2024-11-23 11:33:43,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:43,846 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:43,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 18 states have internal predecessors, (72), 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) [2024-11-23 11:33:43,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:43,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:43,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:43,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:44,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:44,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:44,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:44,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:44,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-23 11:33:45,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:45,160 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:45,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:45,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1839628990, now seen corresponding path program 2 times [2024-11-23 11:33:45,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:45,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674108390] [2024-11-23 11:33:45,161 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:33:45,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:45,192 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:33:45,192 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:33:45,274 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-23 11:33:45,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:45,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674108390] [2024-11-23 11:33:45,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674108390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:45,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:45,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:33:45,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014399829] [2024-11-23 11:33:45,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:45,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:33:45,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:45,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:33:45,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:33:45,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:45,279 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:45,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:33:45,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:45,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:45,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:45,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:45,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:45,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:45,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:45,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:45,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:45,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:45,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 11:33:45,455 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:45,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:45,457 INFO L85 PathProgramCache]: Analyzing trace with hash -150623137, now seen corresponding path program 3 times [2024-11-23 11:33:45,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:45,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873174556] [2024-11-23 11:33:45,457 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:33:45,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:45,493 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 11:33:45,493 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:33:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-23 11:33:45,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:45,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873174556] [2024-11-23 11:33:45,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873174556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:45,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:45,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:33:45,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453364306] [2024-11-23 11:33:45,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:45,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 11:33:45,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:45,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 11:33:45,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 11:33:45,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:45,637 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:45,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:33:45,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:45,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:45,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:45,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:45,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:45,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:45,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:45,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 11:33:45,794 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:45,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:45,794 INFO L85 PathProgramCache]: Analyzing trace with hash -970940554, now seen corresponding path program 4 times [2024-11-23 11:33:45,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:45,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870296580] [2024-11-23 11:33:45,795 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:33:45,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:45,832 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:33:45,833 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:33:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-23 11:33:45,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:45,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870296580] [2024-11-23 11:33:45,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870296580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:45,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:45,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:33:45,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271072556] [2024-11-23 11:33:45,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:45,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:33:45,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:45,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:33:45,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:33:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:45,931 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:45,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:33:45,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:45,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:45,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:45,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:45,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:45,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:45,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:46,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:46,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:46,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:46,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:46,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:46,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:46,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:46,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 11:33:46,040 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:46,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:46,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1724381826, now seen corresponding path program 5 times [2024-11-23 11:33:46,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:46,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357650902] [2024-11-23 11:33:46,041 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:33:46,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:46,073 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-23 11:33:46,073 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:33:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-23 11:33:46,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:46,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357650902] [2024-11-23 11:33:46,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357650902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:33:46,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:33:46,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:33:46,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32205619] [2024-11-23 11:33:46,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:33:46,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:33:46,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:46,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:33:46,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:33:46,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:46,200 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:46,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-23 11:33:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:46,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:46,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 11:33:46,375 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:46,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:46,375 INFO L85 PathProgramCache]: Analyzing trace with hash -701549216, now seen corresponding path program 1 times [2024-11-23 11:33:46,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:46,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012939923] [2024-11-23 11:33:46,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:46,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:46,920 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 31 proven. 73 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:33:46,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:46,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012939923] [2024-11-23 11:33:46,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012939923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:33:46,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351371628] [2024-11-23 11:33:46,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:33:46,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:46,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:46,925 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:33:46,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 11:33:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:33:47,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 11:33:47,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:33:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:33:47,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:33:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 71 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:33:47,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351371628] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:33:47,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:33:47,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 31 [2024-11-23 11:33:47,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388043737] [2024-11-23 11:33:47,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:33:47,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-23 11:33:47,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:47,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-23 11:33:47,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=769, Unknown=0, NotChecked=0, Total=992 [2024-11-23 11:33:47,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:47,854 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:47,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.71875) internal successors, (151), 31 states have internal predecessors, (151), 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) [2024-11-23 11:33:47,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:47,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:47,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:47,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:47,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:47,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:47,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:47,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:47,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:33:48,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-23 11:33:48,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-23 11:33:48,326 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:48,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:48,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1666149159, now seen corresponding path program 2 times [2024-11-23 11:33:48,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:48,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547020401] [2024-11-23 11:33:48,327 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:33:48,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:48,374 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:33:48,374 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:33:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 38 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:48,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:48,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547020401] [2024-11-23 11:33:48,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547020401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:33:48,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597264922] [2024-11-23 11:33:48,890 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:33:48,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:48,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:48,892 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:33:48,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 11:33:49,021 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:33:49,022 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:33:49,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 11:33:49,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:33:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 72 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:49,657 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:33:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 70 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:33:50,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597264922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:33:50,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:33:50,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 39 [2024-11-23 11:33:50,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089696474] [2024-11-23 11:33:50,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:33:50,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-23 11:33:50,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:50,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-23 11:33:50,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=388, Invalid=1172, Unknown=0, NotChecked=0, Total=1560 [2024-11-23 11:33:50,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:50,466 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:50,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.775) internal successors, (191), 39 states have internal predecessors, (191), 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) [2024-11-23 11:33:50,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:50,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:50,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:50,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:50,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:50,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:50,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:50,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:50,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:33:50,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:33:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:33:51,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-23 11:33:51,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:51,319 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:51,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:51,320 INFO L85 PathProgramCache]: Analyzing trace with hash -933758446, now seen corresponding path program 3 times [2024-11-23 11:33:51,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:51,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205838347] [2024-11-23 11:33:51,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:33:51,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:51,479 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-23 11:33:51,479 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:33:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 1 proven. 84 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-23 11:33:53,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:53,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205838347] [2024-11-23 11:33:53,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205838347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:33:53,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677325197] [2024-11-23 11:33:53,134 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:33:53,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:53,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:53,137 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:33:53,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 11:33:53,655 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-23 11:33:53,655 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:33:53,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-23 11:33:53,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:33:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 13 proven. 79 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 11:33:54,753 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:33:56,563 INFO L349 Elim1Store]: treesize reduction 100, result has 58.5 percent of original size [2024-11-23 11:33:56,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 176 treesize of output 184 [2024-11-23 11:33:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 11:33:57,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677325197] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:33:57,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:33:57,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 32 [2024-11-23 11:33:57,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224876893] [2024-11-23 11:33:57,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:33:57,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-23 11:33:57,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:33:57,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-23 11:33:57,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=866, Unknown=0, NotChecked=0, Total=1056 [2024-11-23 11:33:57,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:57,114 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:33:57,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.2727272727272725) internal successors, (174), 32 states have internal predecessors, (174), 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) [2024-11-23 11:33:57,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:57,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:57,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:57,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:57,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:57,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:57,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:57,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:57,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:33:57,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:33:57,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:33:59,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:33:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:33:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:33:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:33:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:33:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:33:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:33:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:33:59,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-23 11:33:59,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:59,505 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:33:59,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:33:59,506 INFO L85 PathProgramCache]: Analyzing trace with hash 823426290, now seen corresponding path program 4 times [2024-11-23 11:33:59,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:33:59,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932718305] [2024-11-23 11:33:59,506 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:33:59,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:33:59,558 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:33:59,558 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:33:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 52 proven. 27 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-23 11:33:59,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:33:59,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932718305] [2024-11-23 11:33:59,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932718305] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:33:59,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336346081] [2024-11-23 11:33:59,905 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:33:59,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:33:59,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:33:59,907 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:33:59,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 11:34:00,100 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:34:00,100 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:34:00,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 11:34:00,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:34:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 119 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:34:00,652 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:34:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 64 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:34:01,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336346081] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:34:01,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:34:01,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 15, 15] total 32 [2024-11-23 11:34:01,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680848620] [2024-11-23 11:34:01,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:34:01,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-23 11:34:01,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:01,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-23 11:34:01,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=816, Unknown=0, NotChecked=0, Total=1056 [2024-11-23 11:34:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:01,255 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:01,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.151515151515151) internal successors, (170), 32 states have internal predecessors, (170), 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) [2024-11-23 11:34:01,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:01,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:01,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:34:01,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:34:01,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:01,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:01,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:01,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:01,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:34:01,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:34:01,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:01,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:01,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:01,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:34:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:34:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:34:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:34:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:01,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:34:01,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 11:34:02,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:34:02,055 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:34:02,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:02,059 INFO L85 PathProgramCache]: Analyzing trace with hash 444689567, now seen corresponding path program 5 times [2024-11-23 11:34:02,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:02,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732713905] [2024-11-23 11:34:02,064 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:34:02,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:02,243 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-23 11:34:02,244 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:34:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 213 proven. 129 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 11:34:03,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:03,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732713905] [2024-11-23 11:34:03,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732713905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:34:03,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827817685] [2024-11-23 11:34:03,103 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:34:03,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:34:03,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:34:03,106 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:34:03,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 11:34:03,504 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-23 11:34:03,504 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:34:03,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 11:34:03,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:34:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 260 proven. 82 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 11:34:04,386 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:34:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 271 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 11:34:05,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827817685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:34:05,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:34:05,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 19] total 54 [2024-11-23 11:34:05,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031334213] [2024-11-23 11:34:05,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:34:05,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-23 11:34:05,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:05,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-23 11:34:05,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=775, Invalid=2195, Unknown=0, NotChecked=0, Total=2970 [2024-11-23 11:34:05,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:05,515 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:05,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.909090909090909) internal successors, (270), 54 states have internal predecessors, (270), 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) [2024-11-23 11:34:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:34:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:34:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:34:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:34:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:34:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:06,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:34:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:34:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:34:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:34:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:34:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:06,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-23 11:34:06,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:34:06,558 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:34:06,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:06,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1365042223, now seen corresponding path program 6 times [2024-11-23 11:34:06,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:06,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441846978] [2024-11-23 11:34:06,559 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:34:06,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:06,825 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-23 11:34:06,826 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:34:07,665 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 259 proven. 119 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 11:34:07,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:07,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441846978] [2024-11-23 11:34:07,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441846978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:34:07,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935107141] [2024-11-23 11:34:07,666 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:34:07,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:34:07,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:34:07,668 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:34:07,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-23 11:34:08,110 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-23 11:34:08,110 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:34:08,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 11:34:08,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:34:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 11:34:09,094 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:34:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 234 proven. 144 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 11:34:10,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935107141] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:34:10,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:34:10,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 63 [2024-11-23 11:34:10,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519449714] [2024-11-23 11:34:10,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:34:10,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-23 11:34:10,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:10,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-23 11:34:10,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=698, Invalid=3334, Unknown=0, NotChecked=0, Total=4032 [2024-11-23 11:34:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:10,219 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:10,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 4.578125) internal successors, (293), 63 states have internal predecessors, (293), 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) [2024-11-23 11:34:10,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:10,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:10,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:34:10,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:34:10,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:10,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:10,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:10,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:10,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:34:10,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:34:10,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:10,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:34:10,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:10,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:10,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-23 11:34:11,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-23 11:34:11,161 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:34:11,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:11,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1743459338, now seen corresponding path program 7 times [2024-11-23 11:34:11,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:11,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712670981] [2024-11-23 11:34:11,162 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:34:11,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:34:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 111 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:34:23,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:23,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712670981] [2024-11-23 11:34:23,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712670981] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:34:23,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446565511] [2024-11-23 11:34:23,563 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:34:23,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:34:23,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:34:23,565 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:34:23,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-23 11:34:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:34:23,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-23 11:34:23,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:34:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 4 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:34:28,847 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:34:35,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:34:35,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 312 treesize of output 864 [2024-11-23 11:34:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:34:39,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446565511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:34:39,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:34:39,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 33, 33] total 99 [2024-11-23 11:34:39,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10143360] [2024-11-23 11:34:39,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:34:39,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-11-23 11:34:39,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:39,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-11-23 11:34:39,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1616, Invalid=8284, Unknown=0, NotChecked=0, Total=9900 [2024-11-23 11:34:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:39,477 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:39,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 3.33) internal successors, (333), 99 states have internal predecessors, (333), 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) [2024-11-23 11:34:39,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:39,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:39,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:34:39,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:34:39,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:39,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:39,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:39,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:39,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:34:39,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:34:39,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:39,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:34:39,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:39,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:39,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:44,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:34:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-23 11:34:44,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-23 11:34:45,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:34:45,169 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:34:45,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:45,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1482705486, now seen corresponding path program 8 times [2024-11-23 11:34:45,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:45,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046840525] [2024-11-23 11:34:45,170 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:34:45,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:45,504 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:34:45,504 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:35:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 140 proven. 453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:35:07,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:07,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046840525] [2024-11-23 11:35:07,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046840525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:35:07,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144681786] [2024-11-23 11:35:07,420 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:35:07,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:35:07,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:35:07,422 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:35:07,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-23 11:35:07,604 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:35:07,604 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:35:07,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-11-23 11:35:07,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:35:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 15 proven. 578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:35:15,549 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:35:25,193 INFO L349 Elim1Store]: treesize reduction 550, result has 53.7 percent of original size [2024-11-23 11:35:25,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 380 treesize of output 724 [2024-11-23 11:35:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 0 proven. 593 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:35:29,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144681786] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:35:29,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:35:29,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 38, 38] total 117 [2024-11-23 11:35:29,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912253298] [2024-11-23 11:35:29,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:35:29,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-11-23 11:35:29,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:29,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-11-23 11:35:29,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1879, Invalid=11927, Unknown=0, NotChecked=0, Total=13806 [2024-11-23 11:35:29,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:29,398 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:29,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 3.330508474576271) internal successors, (393), 117 states have internal predecessors, (393), 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) [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:35:29,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:35:29,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:35:29,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-23 11:35:29,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:35:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-23 11:35:42,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-23 11:35:42,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-23 11:35:42,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:35:42,902 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:35:42,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:42,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1805753989, now seen corresponding path program 9 times [2024-11-23 11:35:42,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:42,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27818097] [2024-11-23 11:35:42,902 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:35:42,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:43,106 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-23 11:35:43,106 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:35:46,668 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-11-23 11:35:46,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:46,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27818097] [2024-11-23 11:35:46,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27818097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:35:46,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719774473] [2024-11-23 11:35:46,669 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:35:46,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:35:46,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:35:46,670 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:35:46,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-23 11:35:48,254 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-23 11:35:48,254 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:35:48,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-11-23 11:35:48,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:35:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 188 proven. 440 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-23 11:35:52,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:36:04,199 INFO L349 Elim1Store]: treesize reduction 964, result has 48.8 percent of original size [2024-11-23 11:36:04,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 447 treesize of output 1016 [2024-11-23 11:36:05,757 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-11-23 11:36:05,774 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-11-23 11:36:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 1 proven. 627 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-23 11:36:06,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719774473] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:36:06,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:36:06,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 28, 28] total 65 [2024-11-23 11:36:06,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151590445] [2024-11-23 11:36:06,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:36:06,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-11-23 11:36:06,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:36:06,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-11-23 11:36:06,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=895, Invalid=3395, Unknown=0, NotChecked=0, Total=4290 [2024-11-23 11:36:06,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:36:06,386 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:36:06,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 4.696969696969697) internal successors, (310), 65 states have internal predecessors, (310), 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) [2024-11-23 11:36:06,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:06,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:06,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:36:06,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:36:06,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:06,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:36:06,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:06,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:06,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:36:06,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:36:06,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:06,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:36:06,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:06,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:06,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-23 11:36:06,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-23 11:36:06,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-23 11:36:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-23 11:36:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-23 11:36:18,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-23 11:36:19,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-23 11:36:19,169 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:36:19,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:36:19,169 INFO L85 PathProgramCache]: Analyzing trace with hash 558381745, now seen corresponding path program 10 times [2024-11-23 11:36:19,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:36:19,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007695223] [2024-11-23 11:36:19,169 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:36:19,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:36:19,265 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:36:19,265 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:36:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 1140 proven. 350 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 11:36:21,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:36:21,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007695223] [2024-11-23 11:36:21,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007695223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:36:21,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37366637] [2024-11-23 11:36:21,127 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:36:21,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:36:21,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:36:21,129 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:36:21,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-23 11:36:22,978 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:36:22,978 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:36:22,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-23 11:36:22,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:36:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 1195 proven. 289 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 11:36:25,019 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:36:27,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 990 proven. 494 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 11:36:27,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37366637] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:36:27,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:36:27,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37, 37] total 109 [2024-11-23 11:36:27,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115352844] [2024-11-23 11:36:27,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:36:27,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2024-11-23 11:36:27,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:36:27,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2024-11-23 11:36:27,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1750, Invalid=10240, Unknown=0, NotChecked=0, Total=11990 [2024-11-23 11:36:27,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:36:27,432 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:36:27,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 4.954545454545454) internal successors, (545), 109 states have internal predecessors, (545), 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) [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-23 11:36:27,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:36:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:36:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:36:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:36:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:36:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:36:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:36:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-23 11:36:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-23 11:36:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-23 11:36:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 11:36:28,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-23 11:36:28,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-23 11:36:28,756 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:36:28,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:36:28,756 INFO L85 PathProgramCache]: Analyzing trace with hash -417132566, now seen corresponding path program 11 times [2024-11-23 11:36:28,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:36:28,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676720422] [2024-11-23 11:36:28,756 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:36:28,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:36:28,970 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-11-23 11:36:28,970 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:36:30,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 894 proven. 631 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 11:36:30,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:36:30,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676720422] [2024-11-23 11:36:30,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676720422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:36:30,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683904048] [2024-11-23 11:36:30,353 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:36:30,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:36:30,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:36:30,355 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:36:30,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-23 11:36:30,976 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-11-23 11:36:30,976 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:36:30,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-23 11:36:30,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:36:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 972 proven. 553 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 11:36:32,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:36:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 801 proven. 724 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 11:36:34,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683904048] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:36:34,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:36:34,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 113 [2024-11-23 11:36:34,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529001899] [2024-11-23 11:36:34,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:36:34,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-11-23 11:36:34,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:36:34,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-11-23 11:36:34,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2451, Invalid=10431, Unknown=0, NotChecked=0, Total=12882 [2024-11-23 11:36:34,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:36:34,912 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:36:34,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 4.728070175438597) internal successors, (539), 113 states have internal predecessors, (539), 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) [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-23 11:36:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:36:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:36:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:36:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:36:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:36:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:36:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:36:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:36:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:36:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:36:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-23 11:36:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-23 11:36:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-23 11:36:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 11:36:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-23 11:36:35,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-23 11:36:35,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-23 11:36:35,652 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-23 11:36:35,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:36:35,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1583514909, now seen corresponding path program 12 times [2024-11-23 11:36:35,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:36:35,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641235374] [2024-11-23 11:36:35,652 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:36:35,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:36:36,112 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-11-23 11:36:36,112 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:36:50,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 305 proven. 1263 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:36:50,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:36:50,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641235374] [2024-11-23 11:36:50,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641235374] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:36:50,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492784299] [2024-11-23 11:36:50,015 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:36:50,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:36:50,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:36:50,016 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:36:50,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d2cc0d-cca9-447d-97b4-ce6b18287cfb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-23 11:36:55,908 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-11-23 11:36:55,908 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:36:55,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 190 conjuncts are in the unsatisfiable core [2024-11-23 11:36:55,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:36:57,251 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 [2024-11-23 11:36:57,363 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 [2024-11-23 11:36:57,474 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 [2024-11-23 11:36:57,596 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 [2024-11-23 11:36:57,710 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 [2024-11-23 11:36:57,823 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 [2024-11-23 11:36:57,933 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 [2024-11-23 11:37:54,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,606 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:37:54,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,634 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:37:54,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,654 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:37:54,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,666 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:37:54,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,704 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:37:54,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,729 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:37:54,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,760 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:37:54,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:37:54,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,780 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:37:54,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,784 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:37:54,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:37:54,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:37:54,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 28 select indices, 28 select index equivalence classes, 153 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 294 treesize of output 116 [2024-11-23 11:37:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 23 proven. 1527 refuted. 18 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:37:54,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:43:39,556 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 2407 treesize of output 2335