./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dce9d71ca8bbe247a74e6b2653e5cdb882c6b8b5d902edf534df70d90ee806fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:33:38,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:33:38,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-27 06:33:38,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:33:38,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:33:38,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:33:38,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:33:38,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:33:38,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:33:38,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:33:38,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:33:38,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:33:38,817 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:33:38,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:33:38,817 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:33:38,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:33:38,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:33:38,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:33:38,818 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 06:33:38,818 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 06:33:38,818 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-27 06:33:38,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:33:38,818 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 06:33:38,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 06:33:38,818 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:33:38,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:33:38,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:33:38,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:33:38,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:33:38,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:33:38,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:33:38,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:33:38,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:33:38,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:33:38,822 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:33:38,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:33:38,822 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:33:38,822 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-27 06:33:38,822 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:33:38,822 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:33:38,822 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:33:38,822 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_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dce9d71ca8bbe247a74e6b2653e5cdb882c6b8b5d902edf534df70d90ee806fe [2024-11-27 06:33:39,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:33:39,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:33:39,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:33:39,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:33:39,136 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:33:39,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i [2024-11-27 06:33:42,060 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/data/6f95c2022/ef2c27fc6cc046e197f758ef9330b034/FLAG587bf8ce8 [2024-11-27 06:33:42,382 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:33:42,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i [2024-11-27 06:33:42,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/data/6f95c2022/ef2c27fc6cc046e197f758ef9330b034/FLAG587bf8ce8 [2024-11-27 06:33:42,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/data/6f95c2022/ef2c27fc6cc046e197f758ef9330b034 [2024-11-27 06:33:42,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:33:42,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:33:42,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:33:42,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:33:42,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:33:42,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:33:42" (1/1) ... [2024-11-27 06:33:42,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2c9412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:42, skipping insertion in model container [2024-11-27 06:33:42,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:33:42" (1/1) ... [2024-11-27 06:33:42,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:33:43,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:33:43,054 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:33:43,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:33:43,215 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:33:43,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43 WrapperNode [2024-11-27 06:33:43,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:33:43,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:33:43,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:33:43,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:33:43,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,267 INFO L138 Inliner]: procedures = 271, calls = 110, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 266 [2024-11-27 06:33:43,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:33:43,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:33:43,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:33:43,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:33:43,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,291 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:33:43,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:33:43,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:33:43,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:33:43,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (1/1) ... [2024-11-27 06:33:43,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:33:43,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:33:43,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:33:43,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:33:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 06:33:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 06:33:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 06:33:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:33:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:33:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 06:33:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:33:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 06:33:43,395 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 06:33:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:33:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:33:43,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:33:43,397 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 06:33:43,586 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:33:43,588 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:33:44,138 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:33:44,138 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:33:44,789 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:33:44,789 INFO L312 CfgBuilder]: Removed 13 assume(true) statements. [2024-11-27 06:33:44,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:33:44 BoogieIcfgContainer [2024-11-27 06:33:44,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:33:44,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:33:44,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:33:44,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:33:44,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:33:42" (1/3) ... [2024-11-27 06:33:44,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9152cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:33:44, skipping insertion in model container [2024-11-27 06:33:44,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:43" (2/3) ... [2024-11-27 06:33:44,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9152cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:33:44, skipping insertion in model container [2024-11-27 06:33:44,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:33:44" (3/3) ... [2024-11-27 06:33:44,802 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_77-tricky_address4_racing.i [2024-11-27 06:33:44,820 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:33:44,822 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_77-tricky_address4_racing.i that has 2 procedures, 109 locations, 1 initial locations, 13 loop locations, and 27 error locations. [2024-11-27 06:33:44,822 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:33:44,910 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-27 06:33:44,969 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:33:44,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:33:44,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:33:44,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:33:44,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:33:45,088 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:33:45,100 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-27 06:33:45,110 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;@69d46bfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:33:45,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-27 06:33:45,440 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 9 treesize of output 3 [2024-11-27 06:33:45,511 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:45,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:45,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1272502046, now seen corresponding path program 1 times [2024-11-27 06:33:45,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:45,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652804132] [2024-11-27 06:33:45,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:45,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:45,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:45,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:45,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652804132] [2024-11-27 06:33:45,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652804132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:33:45,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:33:45,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:33:45,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969375996] [2024-11-27 06:33:45,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:33:45,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:33:45,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:45,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:33:45,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:33:45,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:45,988 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:45,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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) [2024-11-27 06:33:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:46,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:33:46,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:46,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:46,096 INFO L85 PathProgramCache]: Analyzing trace with hash -185525132, now seen corresponding path program 1 times [2024-11-27 06:33:46,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:46,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871738244] [2024-11-27 06:33:46,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:46,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:46,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:46,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871738244] [2024-11-27 06:33:46,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871738244] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:33:46,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106810019] [2024-11-27 06:33:46,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:46,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:46,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:33:46,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:33:46,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 06:33:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:46,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 06:33:46,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:33:46,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:46,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:33:46,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:46,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106810019] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:33:46,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:33:46,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 06:33:46,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91480673] [2024-11-27 06:33:46,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:33:46,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:33:46,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:46,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:33:46,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:33:46,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:46,488 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:46,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:33:46,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:46,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:46,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:46,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 06:33:46,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:46,798 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:46,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:46,799 INFO L85 PathProgramCache]: Analyzing trace with hash 196967090, now seen corresponding path program 2 times [2024-11-27 06:33:46,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:46,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590375879] [2024-11-27 06:33:46,799 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:33:46,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:46,833 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:33:46,833 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:33:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 06:33:47,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:47,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590375879] [2024-11-27 06:33:47,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590375879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:33:47,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:33:47,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:33:47,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696193648] [2024-11-27 06:33:47,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:33:47,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:33:47,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:47,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:33:47,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:33:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:47,173 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:47,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2024-11-27 06:33:47,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:47,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:47,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:47,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 06:33:47,313 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:47,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:47,313 INFO L85 PathProgramCache]: Analyzing trace with hash 196967091, now seen corresponding path program 1 times [2024-11-27 06:33:47,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:47,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556805500] [2024-11-27 06:33:47,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:47,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:47,530 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:47,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:47,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556805500] [2024-11-27 06:33:47,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556805500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:33:47,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251224991] [2024-11-27 06:33:47,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:47,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:47,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:33:47,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:33:47,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 06:33:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:47,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 06:33:47,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:33:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:47,738 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:33:47,832 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:47,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251224991] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:33:47,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:33:47,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-27 06:33:47,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657280106] [2024-11-27 06:33:47,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:33:47,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 06:33:47,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:47,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 06:33:47,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 06:33:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:47,835 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:47,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:33:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:47,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 06:33:48,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:48,154 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:48,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:48,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1134084979, now seen corresponding path program 2 times [2024-11-27 06:33:48,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:48,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431432146] [2024-11-27 06:33:48,155 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:33:48,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:48,189 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:33:48,189 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:33:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:33:48,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:48,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431432146] [2024-11-27 06:33:48,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431432146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:33:48,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:33:48,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 06:33:48,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204803020] [2024-11-27 06:33:48,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:33:48,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:33:48,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:48,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:33:48,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:33:48,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:48,576 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:48,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 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) [2024-11-27 06:33:48,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:48,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:48,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:48,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:48,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:48,763 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 9 treesize of output 3 [2024-11-27 06:33:50,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:50,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:50,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:50,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:50,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:33:50,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 06:33:50,015 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:50,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:50,015 INFO L85 PathProgramCache]: Analyzing trace with hash -120223238, now seen corresponding path program 1 times [2024-11-27 06:33:50,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:50,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159027308] [2024-11-27 06:33:50,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:50,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:33:51,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:51,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159027308] [2024-11-27 06:33:51,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159027308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:33:51,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:33:51,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 06:33:51,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966736061] [2024-11-27 06:33:51,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:33:51,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 06:33:51,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:51,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 06:33:51,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 06:33:51,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:51,853 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:51,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:33:51,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:51,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:51,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:51,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:51,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:33:51,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:52,070 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 9 treesize of output 3 [2024-11-27 06:33:54,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:54,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:54,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:54,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:54,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:33:54,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:33:54,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 06:33:54,193 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:54,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:54,193 INFO L85 PathProgramCache]: Analyzing trace with hash -327644172, now seen corresponding path program 1 times [2024-11-27 06:33:54,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:54,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636403342] [2024-11-27 06:33:54,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:54,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:54,293 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:33:54,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:54,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636403342] [2024-11-27 06:33:54,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636403342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:33:54,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:33:54,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:33:54,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662107282] [2024-11-27 06:33:54,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:33:54,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:33:54,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:54,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:33:54,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:33:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:54,296 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:54,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) 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) [2024-11-27 06:33:54,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:54,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:54,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:54,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:54,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:33:54,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:33:54,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:54,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:54,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:54,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:54,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:54,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:33:54,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:33:54,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:33:54,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 11 remaining) [2024-11-27 06:33:54,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 11 remaining) [2024-11-27 06:33:54,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 11 remaining) [2024-11-27 06:33:54,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 11 remaining) [2024-11-27 06:33:54,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 11 remaining) [2024-11-27 06:33:54,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 11 remaining) [2024-11-27 06:33:54,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 11 remaining) [2024-11-27 06:33:54,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 11 remaining) [2024-11-27 06:33:54,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 11 remaining) [2024-11-27 06:33:54,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 11 remaining) [2024-11-27 06:33:54,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr10ASSERT_VIOLATIONMEMORY_LEAK (0 of 11 remaining) [2024-11-27 06:33:54,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 06:33:54,673 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2024-11-27 06:33:54,676 INFO L319 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2024-11-27 06:33:54,685 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:33:54,686 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:33:54,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-27 06:33:54,687 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;@69d46bfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:33:54,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-27 06:33:54,788 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 9 treesize of output 3 [2024-11-27 06:33:54,799 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:33:54,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:54,799 INFO L85 PathProgramCache]: Analyzing trace with hash 168632594, now seen corresponding path program 1 times [2024-11-27 06:33:54,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:54,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443564204] [2024-11-27 06:33:54,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:54,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:54,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:54,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443564204] [2024-11-27 06:33:54,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443564204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:33:54,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:33:54,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:33:54,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55582016] [2024-11-27 06:33:54,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:33:54,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:33:54,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:54,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:33:54,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:33:54,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:54,847 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:54,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) 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) [2024-11-27 06:33:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:54,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:54,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 06:33:54,877 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:33:54,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:54,878 INFO L85 PathProgramCache]: Analyzing trace with hash 314711440, now seen corresponding path program 1 times [2024-11-27 06:33:54,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:54,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595924144] [2024-11-27 06:33:54,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:54,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:54,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:54,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595924144] [2024-11-27 06:33:54,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595924144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:33:54,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450550588] [2024-11-27 06:33:54,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:54,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:54,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:33:54,928 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:33:54,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 06:33:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:55,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 06:33:55,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:33:55,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:55,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:33:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:55,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450550588] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:33:55,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:33:55,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 06:33:55,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94251497] [2024-11-27 06:33:55,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:33:55,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:33:55,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:55,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:33:55,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:33:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:55,066 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:55,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:33:55,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:55,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:55,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:55,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:55,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 06:33:55,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:55,309 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:33:55,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:55,310 INFO L85 PathProgramCache]: Analyzing trace with hash 229068946, now seen corresponding path program 2 times [2024-11-27 06:33:55,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:55,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319976955] [2024-11-27 06:33:55,310 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:33:55,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:55,333 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:33:55,334 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:33:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:55,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:55,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319976955] [2024-11-27 06:33:55,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319976955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:33:55,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543547607] [2024-11-27 06:33:55,435 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:33:55,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:55,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:33:55,437 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:33:55,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 06:33:55,553 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:33:55,553 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:33:55,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 06:33:55,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:33:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:55,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:33:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:55,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543547607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:33:55,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:33:55,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-27 06:33:55,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41005189] [2024-11-27 06:33:55,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:33:55,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 06:33:55,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:55,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 06:33:55,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 06:33:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:55,648 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:55,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:33:55,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:55,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:55,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:55,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:55,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:55,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:55,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 06:33:55,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:55,899 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:33:55,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:55,899 INFO L85 PathProgramCache]: Analyzing trace with hash -963538990, now seen corresponding path program 3 times [2024-11-27 06:33:55,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:55,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016978467] [2024-11-27 06:33:55,900 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:33:55,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:55,941 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 06:33:55,941 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-27 06:33:55,942 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 06:33:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 06:33:55,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 06:33:55,975 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 06:33:55,976 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2024-11-27 06:33:55,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 17 remaining) [2024-11-27 06:33:55,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 17 remaining) [2024-11-27 06:33:55,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 17 remaining) [2024-11-27 06:33:55,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 17 remaining) [2024-11-27 06:33:55,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK (11 of 17 remaining) [2024-11-27 06:33:55,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 17 remaining) [2024-11-27 06:33:55,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 17 remaining) [2024-11-27 06:33:55,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 17 remaining) [2024-11-27 06:33:55,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 17 remaining) [2024-11-27 06:33:55,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 17 remaining) [2024-11-27 06:33:55,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 17 remaining) [2024-11-27 06:33:55,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 17 remaining) [2024-11-27 06:33:55,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 17 remaining) [2024-11-27 06:33:55,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 17 remaining) [2024-11-27 06:33:55,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 17 remaining) [2024-11-27 06:33:55,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK (0 of 17 remaining) [2024-11-27 06:33:55,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 06:33:55,980 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-27 06:33:55,980 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2024-11-27 06:33:55,981 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-27 06:33:55,981 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-27 06:33:56,019 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-27 06:33:56,022 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:33:56,033 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:33:56,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2024-11-27 06:33:56,034 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;@69d46bfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:33:56,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-27 06:33:56,110 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 9 treesize of output 3 [2024-11-27 06:33:56,135 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 9 treesize of output 3 [2024-11-27 06:33:56,145 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 9 treesize of output 3 [2024-11-27 06:33:56,253 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:56,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:56,254 INFO L85 PathProgramCache]: Analyzing trace with hash -303754279, now seen corresponding path program 1 times [2024-11-27 06:33:56,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:56,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990406996] [2024-11-27 06:33:56,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:56,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:56,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:56,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:56,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990406996] [2024-11-27 06:33:56,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990406996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:33:56,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:33:56,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:33:56,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441325014] [2024-11-27 06:33:56,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:33:56,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:33:56,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:56,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:33:56,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:33:56,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:56,298 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:56,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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) [2024-11-27 06:33:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:56,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:56,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 06:33:56,352 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:56,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:56,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1825228583, now seen corresponding path program 1 times [2024-11-27 06:33:56,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:56,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373589644] [2024-11-27 06:33:56,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:56,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:56,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:56,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373589644] [2024-11-27 06:33:56,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373589644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:33:56,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528654171] [2024-11-27 06:33:56,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:56,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:56,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:33:56,406 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:33:56,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 06:33:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:56,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 06:33:56,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:33:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:56,532 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:33:56,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:56,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528654171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:33:56,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:33:56,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 06:33:56,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910753451] [2024-11-27 06:33:56,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:33:56,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:33:56,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:56,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:33:56,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:33:56,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:56,556 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:56,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:33:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:56,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 06:33:56,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 06:33:56,833 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:56,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:56,834 INFO L85 PathProgramCache]: Analyzing trace with hash -123398953, now seen corresponding path program 2 times [2024-11-27 06:33:56,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:56,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337370109] [2024-11-27 06:33:56,835 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:33:56,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:56,852 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:33:56,852 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:33:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 06:33:56,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:56,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337370109] [2024-11-27 06:33:56,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337370109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:33:56,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:33:56,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:33:56,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174813123] [2024-11-27 06:33:56,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:33:56,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:33:56,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:56,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:33:56,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:33:56,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:56,945 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:56,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2024-11-27 06:33:56,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:56,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:56,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:57,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:57,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:57,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:57,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 06:33:57,048 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:57,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:57,049 INFO L85 PathProgramCache]: Analyzing trace with hash -123398952, now seen corresponding path program 1 times [2024-11-27 06:33:57,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:57,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56892034] [2024-11-27 06:33:57,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:57,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:57,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:57,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:57,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56892034] [2024-11-27 06:33:57,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56892034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:33:57,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685103047] [2024-11-27 06:33:57,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:57,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:57,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:33:57,148 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:33:57,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 06:33:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:57,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 06:33:57,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:33:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:57,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:33:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:57,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685103047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:33:57,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:33:57,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-27 06:33:57,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158968116] [2024-11-27 06:33:57,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:33:57,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 06:33:57,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:57,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 06:33:57,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 06:33:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:57,363 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:57,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:33:57,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:57,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:57,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:57,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:57,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 06:33:57,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:57,649 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:57,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:57,650 INFO L85 PathProgramCache]: Analyzing trace with hash 337982872, now seen corresponding path program 2 times [2024-11-27 06:33:57,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:57,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094381653] [2024-11-27 06:33:57,650 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:33:57,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:57,667 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:33:57,667 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:33:57,876 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:33:57,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:57,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094381653] [2024-11-27 06:33:57,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094381653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:33:57,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:33:57,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 06:33:57,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175330966] [2024-11-27 06:33:57,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:33:57,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:33:57,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:57,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:33:57,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:33:57,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:57,878 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:57,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 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) [2024-11-27 06:33:57,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:57,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:57,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:57,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:57,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:57,980 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 9 treesize of output 3 [2024-11-27 06:33:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:59,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:33:59,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:59,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:33:59,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 06:33:59,697 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:33:59,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:59,697 INFO L85 PathProgramCache]: Analyzing trace with hash -670150945, now seen corresponding path program 1 times [2024-11-27 06:33:59,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:59,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074888388] [2024-11-27 06:33:59,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:59,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:34:00,920 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:00,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:00,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074888388] [2024-11-27 06:34:00,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074888388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:34:00,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:34:00,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 06:34:00,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885120514] [2024-11-27 06:34:00,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:34:00,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 06:34:00,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:00,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 06:34:00,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 06:34:00,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:00,925 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:00,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:00,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:00,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:00,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:00,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:00,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:00,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:01,115 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 9 treesize of output 3 [2024-11-27 06:34:04,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:04,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:04,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:04,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:04,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:04,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:04,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 06:34:04,089 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:34:04,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:04,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1751597740, now seen corresponding path program 1 times [2024-11-27 06:34:04,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:04,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048193707] [2024-11-27 06:34:04,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:34:04,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:34:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:04,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:04,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048193707] [2024-11-27 06:34:04,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048193707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:34:04,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:34:04,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 06:34:04,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91214072] [2024-11-27 06:34:04,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:34:04,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 06:34:04,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:04,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 06:34:04,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 06:34:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:04,314 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:04,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:04,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:04,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:04,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:04,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:04,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:04,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:04,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:08,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 06:34:08,903 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:34:08,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:08,904 INFO L85 PathProgramCache]: Analyzing trace with hash -873500886, now seen corresponding path program 1 times [2024-11-27 06:34:08,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:08,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357965339] [2024-11-27 06:34:08,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:34:08,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:34:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:19,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:19,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357965339] [2024-11-27 06:34:19,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357965339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:34:19,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:34:19,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-27 06:34:19,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191744287] [2024-11-27 06:34:19,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:34:19,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 06:34:19,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:19,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 06:34:19,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 06:34:19,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:19,561 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:19,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:19,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:19,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:31,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:31,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:31,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:31,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:31,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:31,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:31,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:31,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:34:31,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 06:34:31,910 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:34:31,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:31,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1921946875, now seen corresponding path program 1 times [2024-11-27 06:34:31,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:31,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139963283] [2024-11-27 06:34:31,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:34:31,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:34:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:32,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:32,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139963283] [2024-11-27 06:34:32,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139963283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:34:32,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:34:32,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 06:34:32,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590023842] [2024-11-27 06:34:32,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:34:32,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:34:32,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:32,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:34:32,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:34:32,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:32,013 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:32,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:34:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:33,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 06:34:33,397 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:34:33,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:33,397 INFO L85 PathProgramCache]: Analyzing trace with hash 196512626, now seen corresponding path program 2 times [2024-11-27 06:34:33,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:33,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774777327] [2024-11-27 06:34:33,398 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:34:33,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:33,481 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:34:33,482 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:34:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:40,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:40,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774777327] [2024-11-27 06:34:40,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774777327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:34:40,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:34:40,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 06:34:40,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435420307] [2024-11-27 06:34:40,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:34:40,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 06:34:40,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:40,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 06:34:40,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-27 06:34:40,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:40,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:40,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:34:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:34:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:34:44,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 06:34:44,551 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:34:44,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:44,551 INFO L85 PathProgramCache]: Analyzing trace with hash 905062941, now seen corresponding path program 1 times [2024-11-27 06:34:44,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:44,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279526104] [2024-11-27 06:34:44,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:34:44,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:34:47,899 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:47,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:47,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279526104] [2024-11-27 06:34:47,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279526104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:34:47,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:34:47,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 06:34:47,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068201234] [2024-11-27 06:34:47,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:34:47,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 06:34:47,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:47,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 06:34:47,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-27 06:34:47,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:47,902 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:47,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:47,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:47,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:47,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:47,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:47,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:47,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:47,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:47,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:34:47,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:47,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:34:47,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:50,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:50,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:50,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:50,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:50,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:34:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:34:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:34:50,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 06:34:50,276 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:34:50,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:50,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1637037083, now seen corresponding path program 2 times [2024-11-27 06:34:50,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:50,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953932632] [2024-11-27 06:34:50,277 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:34:50,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:50,329 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:34:50,329 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:34:56,221 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:34:56,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:34:56,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953932632] [2024-11-27 06:34:56,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953932632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:34:56,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:34:56,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-27 06:34:56,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102978241] [2024-11-27 06:34:56,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:34:56,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 06:34:56,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:34:56,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 06:34:56,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 06:34:56,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:56,223 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:34:56,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:34:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:34:56,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:56,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:34:56,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:34:56,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:34:59,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:34:59,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:34:59,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:34:59,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:34:59,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:34:59,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:34:59,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:59,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:34:59,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:34:59,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:34:59,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:34:59,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:34:59,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 06:34:59,341 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:34:59,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:34:59,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1695822351, now seen corresponding path program 3 times [2024-11-27 06:34:59,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:34:59,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277524655] [2024-11-27 06:34:59,341 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:34:59,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:34:59,395 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 06:34:59,395 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:35:02,863 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:02,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:35:02,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277524655] [2024-11-27 06:35:02,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277524655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:35:02,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:35:02,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 06:35:02,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145599101] [2024-11-27 06:35:02,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:35:02,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 06:35:02,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:35:02,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 06:35:02,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-27 06:35:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:02,865 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:35:02,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:35:02,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:02,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:02,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:02,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:02,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:02,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:02,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:02,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:35:02,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:02,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:02,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:35:02,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:02,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:35:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:07,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 06:35:07,469 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:35:07,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:35:07,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1422442593, now seen corresponding path program 1 times [2024-11-27 06:35:07,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:35:07,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180033181] [2024-11-27 06:35:07,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:35:07,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:35:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:35:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:10,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:35:10,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180033181] [2024-11-27 06:35:10,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180033181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:35:10,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:35:10,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 06:35:10,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668961710] [2024-11-27 06:35:10,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:35:10,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 06:35:10,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:35:10,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 06:35:10,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-27 06:35:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:10,021 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:35:10,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:10,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:10,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:13,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:13,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-27 06:35:13,411 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:35:13,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:35:13,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1677693874, now seen corresponding path program 3 times [2024-11-27 06:35:13,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:35:13,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960344796] [2024-11-27 06:35:13,412 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:35:13,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:35:13,473 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 06:35:13,474 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:35:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:19,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:35:19,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960344796] [2024-11-27 06:35:19,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960344796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:35:19,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:35:19,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 06:35:19,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651617116] [2024-11-27 06:35:19,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:35:19,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 06:35:19,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:35:19,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 06:35:19,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-27 06:35:19,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:19,937 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:35:19,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:35:19,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:19,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:19,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:35:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:24,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 06:35:24,568 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:35:24,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:35:24,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1422173731, now seen corresponding path program 4 times [2024-11-27 06:35:24,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:35:24,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601121968] [2024-11-27 06:35:24,569 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:35:24,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:35:24,635 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:35:24,635 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:35:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:29,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:35:29,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601121968] [2024-11-27 06:35:29,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601121968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:35:29,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:35:29,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-27 06:35:29,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945795403] [2024-11-27 06:35:29,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:35:29,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 06:35:29,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:35:29,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 06:35:29,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-11-27 06:35:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:29,319 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:35:29,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:35:35,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-27 06:35:35,291 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:35:35,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:35:35,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1762269217, now seen corresponding path program 2 times [2024-11-27 06:35:35,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:35:35,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918534041] [2024-11-27 06:35:35,291 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:35:35,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:35:35,349 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:35:35,349 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:35:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:37,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:35:37,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918534041] [2024-11-27 06:35:37,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918534041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:35:37,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:35:37,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 06:35:37,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513223661] [2024-11-27 06:35:37,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:35:37,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 06:35:37,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:35:37,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 06:35:37,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-27 06:35:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:37,991 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:35:37,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 11 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:35:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:35:37,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:35:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:40,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:40,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:35:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:40,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 06:35:40,555 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:35:40,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:35:40,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1569991523, now seen corresponding path program 5 times [2024-11-27 06:35:40,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:35:40,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653869820] [2024-11-27 06:35:40,556 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:35:40,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:35:40,651 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-27 06:35:40,651 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:35:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:49,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:35:49,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653869820] [2024-11-27 06:35:49,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653869820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:35:49,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:35:49,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 06:35:49,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106645904] [2024-11-27 06:35:49,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:35:49,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 06:35:49,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:35:49,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 06:35:49,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-27 06:35:49,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:49,506 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:35:49,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 13 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:35:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:35:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:35:53,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 06:35:53,539 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:35:53,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:35:53,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1628776791, now seen corresponding path program 6 times [2024-11-27 06:35:53,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:35:53,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523626393] [2024-11-27 06:35:53,539 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:35:53,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:35:53,588 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 06:35:53,589 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:35:56,743 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:35:56,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:35:56,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523626393] [2024-11-27 06:35:56,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523626393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:35:56,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:35:56,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 06:35:56,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877398938] [2024-11-27 06:35:56,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:35:56,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 06:35:56,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:35:56,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 06:35:56,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-27 06:35:56,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:35:56,745 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:35:56,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:35:56,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:36:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:36:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:36:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:36:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:36:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:36:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:36:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:36:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:36:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:36:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:36:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:36:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:36:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:36:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:36:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:36:00,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 11 remaining) [2024-11-27 06:36:00,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 11 remaining) [2024-11-27 06:36:00,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 11 remaining) [2024-11-27 06:36:00,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 11 remaining) [2024-11-27 06:36:00,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 11 remaining) [2024-11-27 06:36:00,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 11 remaining) [2024-11-27 06:36:00,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 11 remaining) [2024-11-27 06:36:00,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 11 remaining) [2024-11-27 06:36:00,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 11 remaining) [2024-11-27 06:36:00,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 11 remaining) [2024-11-27 06:36:00,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr10ASSERT_VIOLATIONMEMORY_LEAK (0 of 11 remaining) [2024-11-27 06:36:00,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-27 06:36:00,411 INFO L422 BasicCegarLoop]: Path program histogram: [6, 3, 2, 2, 2, 1, 1, 1, 1] [2024-11-27 06:36:00,412 INFO L319 ceAbstractionStarter]: Result for error location t_funThread1of2ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-11-27 06:36:00,417 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:36:00,420 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:36:00,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-27 06:36:00,421 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;@69d46bfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:36:00,421 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-27 06:36:00,489 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 9 treesize of output 3 [2024-11-27 06:36:00,500 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 9 treesize of output 3 [2024-11-27 06:36:00,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:36:00,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:00,508 INFO L85 PathProgramCache]: Analyzing trace with hash 784737226, now seen corresponding path program 1 times [2024-11-27 06:36:00,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:00,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004100123] [2024-11-27 06:36:00,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:00,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:00,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:00,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:00,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004100123] [2024-11-27 06:36:00,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004100123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:36:00,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:36:00,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:36:00,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879298488] [2024-11-27 06:36:00,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:36:00,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:36:00,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:00,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:36:00,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:36:00,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:00,540 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:00,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:00,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:00,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:00,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-27 06:36:00,572 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:36:00,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:00,572 INFO L85 PathProgramCache]: Analyzing trace with hash -695052536, now seen corresponding path program 1 times [2024-11-27 06:36:00,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:00,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251383852] [2024-11-27 06:36:00,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:00,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:00,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:00,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251383852] [2024-11-27 06:36:00,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251383852] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:36:00,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695378236] [2024-11-27 06:36:00,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:00,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:00,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:00,611 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:36:00,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 06:36:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:00,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 06:36:00,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:36:00,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:00,757 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:36:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:00,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695378236] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:36:00,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:36:00,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 06:36:00,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799790450] [2024-11-27 06:36:00,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:36:00,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:36:00,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:00,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:36:00,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:36:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:00,772 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:00,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:00,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:00,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:00,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:00,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:00,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 06:36:01,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:01,009 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:36:01,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:01,009 INFO L85 PathProgramCache]: Analyzing trace with hash -640154806, now seen corresponding path program 2 times [2024-11-27 06:36:01,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:01,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443687560] [2024-11-27 06:36:01,010 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:36:01,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:01,023 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:36:01,023 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:36:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:01,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:01,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443687560] [2024-11-27 06:36:01,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443687560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:36:01,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289037685] [2024-11-27 06:36:01,080 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:36:01,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:01,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:01,082 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:36:01,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 06:36:01,237 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:36:01,237 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:36:01,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 06:36:01,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:36:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:01,253 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:36:01,298 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:01,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289037685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:36:01,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:36:01,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-27 06:36:01,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386860350] [2024-11-27 06:36:01,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:36:01,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 06:36:01,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:01,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 06:36:01,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 06:36:01,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:01,300 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:01,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:01,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:01,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:01,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:01,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:01,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:01,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:01,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 06:36:01,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-27 06:36:01,540 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:36:01,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:01,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1318008182, now seen corresponding path program 3 times [2024-11-27 06:36:01,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:01,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211470876] [2024-11-27 06:36:01,541 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:36:01,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:01,560 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 06:36:01,560 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-27 06:36:01,560 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 06:36:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 06:36:01,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 06:36:01,581 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 06:36:01,585 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2024-11-27 06:36:01,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 17 remaining) [2024-11-27 06:36:01,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 17 remaining) [2024-11-27 06:36:01,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 17 remaining) [2024-11-27 06:36:01,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 17 remaining) [2024-11-27 06:36:01,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK (11 of 17 remaining) [2024-11-27 06:36:01,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 17 remaining) [2024-11-27 06:36:01,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 17 remaining) [2024-11-27 06:36:01,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 17 remaining) [2024-11-27 06:36:01,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 17 remaining) [2024-11-27 06:36:01,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 17 remaining) [2024-11-27 06:36:01,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 17 remaining) [2024-11-27 06:36:01,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 17 remaining) [2024-11-27 06:36:01,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 17 remaining) [2024-11-27 06:36:01,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 17 remaining) [2024-11-27 06:36:01,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 17 remaining) [2024-11-27 06:36:01,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK (0 of 17 remaining) [2024-11-27 06:36:01,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-27 06:36:01,588 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-27 06:36:01,589 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/3) [2024-11-27 06:36:01,589 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-27 06:36:01,589 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-27 06:36:01,651 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 06:36:01,654 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:36:01,670 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:36:01,671 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-27 06:36:01,671 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;@69d46bfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:36:01,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-27 06:36:01,754 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 9 treesize of output 3 [2024-11-27 06:36:01,764 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 9 treesize of output 3 [2024-11-27 06:36:01,771 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 9 treesize of output 3 [2024-11-27 06:36:01,783 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:36:01,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:01,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2123142917, now seen corresponding path program 1 times [2024-11-27 06:36:01,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:01,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390477142] [2024-11-27 06:36:01,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:01,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:01,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:01,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:01,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390477142] [2024-11-27 06:36:01,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390477142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:36:01,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:36:01,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:36:01,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343278476] [2024-11-27 06:36:01,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:36:01,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:36:01,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:01,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:36:01,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:36:01,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:01,813 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:01,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:01,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:01,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:01,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-27 06:36:01,853 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:36:01,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1130789239, now seen corresponding path program 1 times [2024-11-27 06:36:01,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:01,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927511893] [2024-11-27 06:36:01,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:01,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:01,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927511893] [2024-11-27 06:36:01,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927511893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:36:01,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721260534] [2024-11-27 06:36:01,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:01,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:01,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:01,894 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:36:01,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 06:36:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:02,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 06:36:02,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:36:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:02,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:36:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:02,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721260534] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:36:02,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:36:02,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 06:36:02,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718948504] [2024-11-27 06:36:02,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:36:02,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:36:02,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:02,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:36:02,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:36:02,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:02,077 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:02,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 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) [2024-11-27 06:36:02,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:02,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:02,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 06:36:02,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-27 06:36:02,318 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:36:02,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:02,318 INFO L85 PathProgramCache]: Analyzing trace with hash -685071483, now seen corresponding path program 2 times [2024-11-27 06:36:02,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:02,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59997364] [2024-11-27 06:36:02,318 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:36:02,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:02,331 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:36:02,331 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:36:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:02,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:02,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59997364] [2024-11-27 06:36:02,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59997364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:36:02,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323113694] [2024-11-27 06:36:02,373 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:36:02,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:02,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:02,377 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:36:02,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 06:36:02,544 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:36:02,544 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:36:02,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 06:36:02,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:36:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:02,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:36:02,609 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:02,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323113694] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:36:02,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:36:02,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-27 06:36:02,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688925246] [2024-11-27 06:36:02,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:36:02,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 06:36:02,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:02,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 06:36:02,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 06:36:02,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:02,611 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:02,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:02,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:02,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:02,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:02,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:02,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:02,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:02,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-27 06:36:02,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-27 06:36:02,855 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 14 more)] === [2024-11-27 06:36:02,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:02,855 INFO L85 PathProgramCache]: Analyzing trace with hash -350716347, now seen corresponding path program 3 times [2024-11-27 06:36:02,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:02,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483515837] [2024-11-27 06:36:02,855 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:36:02,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:02,878 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 06:36:02,878 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-27 06:36:02,878 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 06:36:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 06:36:02,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 06:36:02,897 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 06:36:02,897 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2024-11-27 06:36:02,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 17 remaining) [2024-11-27 06:36:02,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 17 remaining) [2024-11-27 06:36:02,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 17 remaining) [2024-11-27 06:36:02,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 17 remaining) [2024-11-27 06:36:02,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK (11 of 17 remaining) [2024-11-27 06:36:02,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 17 remaining) [2024-11-27 06:36:02,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 17 remaining) [2024-11-27 06:36:02,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 17 remaining) [2024-11-27 06:36:02,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 17 remaining) [2024-11-27 06:36:02,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 17 remaining) [2024-11-27 06:36:02,899 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 17 remaining) [2024-11-27 06:36:02,899 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 17 remaining) [2024-11-27 06:36:02,899 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 17 remaining) [2024-11-27 06:36:02,899 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 17 remaining) [2024-11-27 06:36:02,899 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 17 remaining) [2024-11-27 06:36:02,899 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK (0 of 17 remaining) [2024-11-27 06:36:02,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-27 06:36:02,901 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-27 06:36:02,901 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/4) [2024-11-27 06:36:02,901 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-27 06:36:02,901 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-27 06:36:02,957 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-27 06:36:02,961 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:36:02,989 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:36:02,989 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread4of4ForFork0 ======== [2024-11-27 06:36:02,990 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;@69d46bfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:36:02,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-27 06:36:03,119 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 9 treesize of output 3 [2024-11-27 06:36:03,126 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 9 treesize of output 3 [2024-11-27 06:36:03,134 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 9 treesize of output 3 [2024-11-27 06:36:03,141 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 9 treesize of output 3 [2024-11-27 06:36:03,151 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 9 treesize of output 3 [2024-11-27 06:36:03,167 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 9 treesize of output 3 [2024-11-27 06:36:03,181 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 9 treesize of output 3 [2024-11-27 06:36:03,190 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 9 treesize of output 3 [2024-11-27 06:36:11,614 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:36:11,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:11,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1887914285, now seen corresponding path program 1 times [2024-11-27 06:36:11,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:11,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593602299] [2024-11-27 06:36:11,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:11,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:11,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:11,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593602299] [2024-11-27 06:36:11,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593602299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:36:11,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:36:11,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:36:11,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269151533] [2024-11-27 06:36:11,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:36:11,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:36:11,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:11,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:36:11,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:36:11,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:11,642 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:11,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:11,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:11,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:11,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-27 06:36:11,700 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:36:11,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:11,700 INFO L85 PathProgramCache]: Analyzing trace with hash -782680629, now seen corresponding path program 1 times [2024-11-27 06:36:11,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:11,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392441318] [2024-11-27 06:36:11,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:11,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:11,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:11,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:11,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392441318] [2024-11-27 06:36:11,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392441318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:36:11,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364843009] [2024-11-27 06:36:11,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:11,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:11,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:11,732 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:36:11,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 06:36:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:11,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 06:36:11,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:36:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:11,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:36:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:11,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364843009] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:36:11,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:36:11,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 06:36:11,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827670648] [2024-11-27 06:36:11,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:36:11,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:36:11,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:11,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:36:11,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:36:11,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:11,935 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:11,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:11,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:11,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-27 06:36:12,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-27 06:36:12,188 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:36:12,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:12,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1394833994, now seen corresponding path program 2 times [2024-11-27 06:36:12,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:12,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374686232] [2024-11-27 06:36:12,189 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:36:12,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:12,200 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:36:12,200 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:36:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 06:36:12,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:12,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374686232] [2024-11-27 06:36:12,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374686232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:36:12,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:36:12,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:36:12,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896679069] [2024-11-27 06:36:12,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:36:12,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 06:36:12,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:12,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 06:36:12,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-27 06:36:12,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:12,270 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:12,270 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) [2024-11-27 06:36:12,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:12,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:12,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:12,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:12,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:12,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:12,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-27 06:36:12,576 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:36:12,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:12,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1394833993, now seen corresponding path program 1 times [2024-11-27 06:36:12,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:12,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645196916] [2024-11-27 06:36:12,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:12,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:12,652 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:12,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:12,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645196916] [2024-11-27 06:36:12,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645196916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:36:12,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977819387] [2024-11-27 06:36:12,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:36:12,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:12,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:36:12,654 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:36:12,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 06:36:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:36:12,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 06:36:12,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:36:12,863 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:12,863 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:36:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:36:12,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977819387] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:36:12,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:36:12,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-27 06:36:12,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299090379] [2024-11-27 06:36:12,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:36:12,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 06:36:12,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:12,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 06:36:12,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 06:36:12,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:12,925 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:12,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:12,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:12,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:12,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:12,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-27 06:36:13,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beafc1a1-67fc-4bdf-b8a2-e1192d6c3070/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:36:13,188 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2024-11-27 06:36:13,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:36:13,189 INFO L85 PathProgramCache]: Analyzing trace with hash -164291177, now seen corresponding path program 2 times [2024-11-27 06:36:13,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:36:13,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866779867] [2024-11-27 06:36:13,189 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:36:13,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:36:13,201 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:36:13,201 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:36:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:36:13,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:36:13,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866779867] [2024-11-27 06:36:13,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866779867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:36:13,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:36:13,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 06:36:13,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553327726] [2024-11-27 06:36:13,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:36:13,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:36:13,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:36:13,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:36:13,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:36:13,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:13,333 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:36:13,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:36:13,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:13,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:36:13,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:36:13,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:36:13,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:36:13,461 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 9 treesize of output 3