./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:22:07,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:22:07,724 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-23 11:22:07,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:22:07,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:22:07,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:22:07,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:22:07,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:22:07,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:22:07,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:22:07,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:22:07,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:22:07,771 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:22:07,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:22:07,771 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:22:07,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:22:07,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:22:07,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:22:07,772 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-23 11:22:07,772 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-23 11:22:07,772 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-23 11:22:07,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:22:07,772 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 11:22:07,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 11:22:07,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:22:07,772 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:22:07,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:22:07,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:22:07,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:22:07,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:22:07,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:22:07,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:22:07,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:22:07,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:22:07,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:22:07,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:22:07,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:22:07,776 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-23 11:22:07,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:22:07,777 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:22:07,778 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:22:07,778 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_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2024-11-23 11:22:08,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:22:08,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:22:08,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:22:08,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:22:08,138 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:22:08,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-23 11:22:11,082 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/data/4f027cafa/4de07d8ac626484bb8af9f7e938a4d15/FLAGc95d39acb [2024-11-23 11:22:11,460 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:22:11,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-23 11:22:11,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/data/4f027cafa/4de07d8ac626484bb8af9f7e938a4d15/FLAGc95d39acb [2024-11-23 11:22:11,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/data/4f027cafa/4de07d8ac626484bb8af9f7e938a4d15 [2024-11-23 11:22:11,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:22:11,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:22:11,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:22:11,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:22:11,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:22:11,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:11,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97c373c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11, skipping insertion in model container [2024-11-23 11:22:11,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:11,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:22:11,887 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 11:22:11,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:22:11,902 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:22:11,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:22:11,950 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:22:11,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11 WrapperNode [2024-11-23 11:22:11,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:22:11,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:22:11,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:22:11,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:22:11,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:11,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:11,997 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 266 [2024-11-23 11:22:11,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:22:11,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:22:11,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:22:11,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:22:12,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:12,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:12,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:12,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:12,020 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:12,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:12,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:12,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:12,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:12,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:22:12,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:22:12,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:22:12,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:22:12,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (1/1) ... [2024-11-23 11:22:12,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:22:12,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:12,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:22:12,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:22:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:22:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-23 11:22:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-23 11:22:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-23 11:22:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-23 11:22:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-23 11:22:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-23 11:22:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:22:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 11:22:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 11:22:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 11:22:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 11:22:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:22:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:22:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 11:22:12,106 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:22:12,215 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:22:12,217 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:22:12,847 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:22:12,847 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:22:13,286 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:22:13,287 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-23 11:22:13,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:22:13 BoogieIcfgContainer [2024-11-23 11:22:13,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:22:13,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:22:13,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:22:13,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:22:13,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:22:11" (1/3) ... [2024-11-23 11:22:13,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d18040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:22:13, skipping insertion in model container [2024-11-23 11:22:13,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:11" (2/3) ... [2024-11-23 11:22:13,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d18040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:22:13, skipping insertion in model container [2024-11-23 11:22:13,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:22:13" (3/3) ... [2024-11-23 11:22:13,300 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-11-23 11:22:13,318 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:22:13,320 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-dot-product.wvr.c that has 4 procedures, 69 locations, 1 initial locations, 8 loop locations, and 24 error locations. [2024-11-23 11:22:13,321 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:22:13,442 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-23 11:22:13,504 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:22:13,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:22:13,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:13,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:22:13,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:22:13,615 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:22:13,627 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2024-11-23 11:22:13,638 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;@705083ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:22:13,638 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-23 11:22:13,970 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:13,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:13,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1095121181, now seen corresponding path program 1 times [2024-11-23 11:22:13,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:13,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048966773] [2024-11-23 11:22:13,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:13,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:14,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:14,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048966773] [2024-11-23 11:22:14,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048966773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:22:14,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:22:14,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:22:14,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328028338] [2024-11-23 11:22:14,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:22:14,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:22:14,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:14,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:22:14,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:22:14,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:14,533 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:14,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) [2024-11-23 11:22:14,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:14,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:22:14,662 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:14,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:14,663 INFO L85 PathProgramCache]: Analyzing trace with hash -360228641, now seen corresponding path program 1 times [2024-11-23 11:22:14,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:14,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130231155] [2024-11-23 11:22:14,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:14,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:15,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:15,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130231155] [2024-11-23 11:22:15,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130231155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:15,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030119191] [2024-11-23 11:22:15,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:15,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:15,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:15,062 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:15,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 11:22:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:15,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 11:22:15,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:15,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:15,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030119191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:15,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:15,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-23 11:22:15,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027782569] [2024-11-23 11:22:15,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:15,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 11:22:15,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:15,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 11:22:15,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-23 11:22:15,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:15,442 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:15,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:15,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:15,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:15,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:15,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 11:22:15,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:15,883 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:15,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:15,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1496865755, now seen corresponding path program 2 times [2024-11-23 11:22:15,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:15,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543638462] [2024-11-23 11:22:15,883 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:22:15,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:15,905 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:22:15,905 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:22:16,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:16,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543638462] [2024-11-23 11:22:16,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543638462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:22:16,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:22:16,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:22:16,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530442811] [2024-11-23 11:22:16,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:22:16,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:22:16,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:16,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:22:16,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:22:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:16,107 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:16,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:16,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:16,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:16,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 11:22:16,260 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:16,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:16,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1496865756, now seen corresponding path program 1 times [2024-11-23 11:22:16,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:16,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736964164] [2024-11-23 11:22:16,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:16,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:16,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:16,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736964164] [2024-11-23 11:22:16,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736964164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:16,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820046010] [2024-11-23 11:22:16,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:16,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:16,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:16,705 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:16,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 11:22:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:16,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 11:22:16,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:16,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-23 11:22:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:22:17,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:22:17,017 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:22:17,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-23 11:22:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:17,100 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:17,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2024-11-23 11:22:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:17,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820046010] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:17,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:17,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-11-23 11:22:17,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341564953] [2024-11-23 11:22:17,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:17,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 11:22:17,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:17,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 11:22:17,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-23 11:22:17,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:17,499 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:17,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:17,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:17,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:17,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:17,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:18,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:18,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:18,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:18,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:22:18,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 11:22:18,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:18,328 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:18,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:18,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1121730443, now seen corresponding path program 1 times [2024-11-23 11:22:18,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:18,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622127054] [2024-11-23 11:22:18,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:18,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 11:22:18,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:18,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622127054] [2024-11-23 11:22:18,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622127054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:22:18,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:22:18,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:22:18,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461265682] [2024-11-23 11:22:18,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:22:18,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:22:18,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:18,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:22:18,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:22:18,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:18,421 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:18,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:18,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:18,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:18,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:18,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:22:18,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:18,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:18,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:18,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:18,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:22:18,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:18,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 11:22:18,515 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:18,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:18,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1121730442, now seen corresponding path program 1 times [2024-11-23 11:22:18,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:18,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229253891] [2024-11-23 11:22:18,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:18,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:22:18,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:18,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229253891] [2024-11-23 11:22:18,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229253891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:18,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683905589] [2024-11-23 11:22:18,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:18,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:18,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:18,972 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:18,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 11:22:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:19,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 11:22:19,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:22:19,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:19,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-11-23 11:22:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:22:19,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683905589] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:19,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:19,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-11-23 11:22:19,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957147386] [2024-11-23 11:22:19,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:19,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-23 11:22:19,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:19,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-23 11:22:19,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-23 11:22:19,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:19,470 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:19,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:19,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:19,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:19,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:19,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:22:19,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:19,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:22:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:19,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:19,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 11:22:20,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:20,086 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:20,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:20,090 INFO L85 PathProgramCache]: Analyzing trace with hash 538455468, now seen corresponding path program 1 times [2024-11-23 11:22:20,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:20,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675371786] [2024-11-23 11:22:20,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:20,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:22:20,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:20,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675371786] [2024-11-23 11:22:20,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675371786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:20,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799029781] [2024-11-23 11:22:20,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:20,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:20,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:20,438 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:20,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 11:22:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:20,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 11:22:20,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:20,718 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 23 treesize of output 7 [2024-11-23 11:22:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 11:22:20,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:20,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-23 11:22:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 11:22:20,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799029781] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:20,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:20,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 21 [2024-11-23 11:22:20,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062950155] [2024-11-23 11:22:20,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:20,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-23 11:22:20,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:20,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-23 11:22:20,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2024-11-23 11:22:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:20,926 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:20,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 21 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:20,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:20,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:20,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:20,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:22:20,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:20,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:20,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:21,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:22:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:21,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 11:22:21,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:21,375 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:21,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:21,375 INFO L85 PathProgramCache]: Analyzing trace with hash 487195738, now seen corresponding path program 2 times [2024-11-23 11:22:21,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:21,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490356116] [2024-11-23 11:22:21,376 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:22:21,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:21,492 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:22:21,495 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 11:22:22,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:22,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490356116] [2024-11-23 11:22:22,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490356116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:22,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93396372] [2024-11-23 11:22:22,188 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:22:22,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:22,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:22,190 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:22,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 11:22:22,343 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:22:22,344 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:22,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 11:22:22,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:22,621 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 23 treesize of output 7 [2024-11-23 11:22:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:22:22,647 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:22,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-23 11:22:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:22:22,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93396372] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:22,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:22,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 11] total 27 [2024-11-23 11:22:22,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179394735] [2024-11-23 11:22:22,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:22,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-23 11:22:22,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:22,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-23 11:22:22,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=609, Unknown=0, NotChecked=0, Total=702 [2024-11-23 11:22:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:22,969 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:22,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.6296296296296298) internal successors, (71), 27 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:22:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:24,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:24,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:24,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:24,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:24,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:24,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:24,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:24,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:22:24,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-23 11:22:24,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:24,391 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:24,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:24,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1605779556, now seen corresponding path program 1 times [2024-11-23 11:22:24,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:24,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864703974] [2024-11-23 11:22:24,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:24,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:24,729 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-23 11:22:24,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:24,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864703974] [2024-11-23 11:22:24,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864703974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:24,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924885682] [2024-11-23 11:22:24,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:24,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:24,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:24,734 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:24,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 11:22:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:24,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 11:22:24,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:25,088 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 11:22:25,088 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 11:22:25,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924885682] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:25,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:25,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2024-11-23 11:22:25,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285447323] [2024-11-23 11:22:25,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:25,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-23 11:22:25,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:25,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-23 11:22:25,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-23 11:22:25,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:25,236 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:25,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.75) internal successors, (75), 19 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:22:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:22:25,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:25,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-23 11:22:25,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:25,641 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:25,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:25,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1295878816, now seen corresponding path program 2 times [2024-11-23 11:22:25,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:25,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122950528] [2024-11-23 11:22:25,642 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:22:25,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:25,696 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:22:25,697 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-23 11:22:26,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:26,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122950528] [2024-11-23 11:22:26,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122950528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:26,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909318499] [2024-11-23 11:22:26,022 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:22:26,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:26,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:26,024 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:26,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 11:22:26,153 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:22:26,154 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:26,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 11:22:26,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-23 11:22:26,475 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:26,689 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-23 11:22:26,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909318499] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:26,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:26,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-11-23 11:22:26,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565978406] [2024-11-23 11:22:26,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:26,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-23 11:22:26,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:26,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-23 11:22:26,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-11-23 11:22:26,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:26,692 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:26,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.3333333333333335) internal successors, (80), 23 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:26,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:26,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:26,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:26,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:26,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:26,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:26,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:26,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:22:26,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:26,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:22:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:26,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-23 11:22:27,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 11:22:27,094 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:27,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:27,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1939168092, now seen corresponding path program 3 times [2024-11-23 11:22:27,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:27,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951745058] [2024-11-23 11:22:27,096 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:22:27,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:27,131 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 11:22:27,131 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:27,547 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-23 11:22:27,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:27,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951745058] [2024-11-23 11:22:27,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951745058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:27,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900864839] [2024-11-23 11:22:27,548 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:22:27,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:27,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:27,550 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:27,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 11:22:27,667 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 11:22:27,668 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:27,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 11:22:27,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:27,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-23 11:22:27,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:22:27,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-23 11:22:27,809 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:22:27,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-23 11:22:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-23 11:22:28,157 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:28,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2024-11-23 11:22:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-23 11:22:28,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900864839] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:28,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:28,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 21 [2024-11-23 11:22:28,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983946899] [2024-11-23 11:22:28,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:28,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-23 11:22:28,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:28,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-23 11:22:28,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2024-11-23 11:22:28,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:28,879 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:28,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 22 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:22:28,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:28,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:28,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:22:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:22:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-23 11:22:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:22:30,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-23 11:22:30,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-23 11:22:30,399 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:30,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:30,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1318158174, now seen corresponding path program 1 times [2024-11-23 11:22:30,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:30,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717044446] [2024-11-23 11:22:30,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:30,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-23 11:22:30,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:30,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717044446] [2024-11-23 11:22:30,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717044446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:22:30,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:22:30,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 11:22:30,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941338396] [2024-11-23 11:22:30,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:22:30,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:22:30,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:30,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:22:30,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 11:22:30,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:30,542 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:30,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) 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) [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:22:30,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:22:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:22:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:22:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:22:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-23 11:22:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:22:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:22:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:22:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:22:31,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 6 remaining) [2024-11-23 11:22:31,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 6 remaining) [2024-11-23 11:22:31,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 6 remaining) [2024-11-23 11:22:31,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 6 remaining) [2024-11-23 11:22:31,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 6 remaining) [2024-11-23 11:22:31,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 6 remaining) [2024-11-23 11:22:31,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 11:22:31,645 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1] [2024-11-23 11:22:31,646 INFO L319 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork2 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/4) [2024-11-23 11:22:31,650 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:22:31,651 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:22:31,652 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2024-11-23 11:22:31,652 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;@705083ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:22:31,652 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-23 11:22:31,706 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:31,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:31,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1382119419, now seen corresponding path program 1 times [2024-11-23 11:22:31,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:31,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796447322] [2024-11-23 11:22:31,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:31,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:31,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:31,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:31,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796447322] [2024-11-23 11:22:31,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796447322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:22:31,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:22:31,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:22:31,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730822161] [2024-11-23 11:22:31,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:22:31,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:22:31,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:31,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:22:31,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:22:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:31,763 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:31,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:31,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:31,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:31,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 11:22:31,816 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:31,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:31,816 INFO L85 PathProgramCache]: Analyzing trace with hash 39872769, now seen corresponding path program 1 times [2024-11-23 11:22:31,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:31,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938139977] [2024-11-23 11:22:31,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:31,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:31,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:31,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938139977] [2024-11-23 11:22:31,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938139977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:22:31,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:22:31,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:22:31,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566895340] [2024-11-23 11:22:31,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:22:31,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:22:31,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:31,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:22:31,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:22:31,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:31,878 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:31,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:31,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:31,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:31,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:31,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:31,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 11:22:31,936 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:31,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:31,937 INFO L85 PathProgramCache]: Analyzing trace with hash 39872770, now seen corresponding path program 1 times [2024-11-23 11:22:31,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:31,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72257972] [2024-11-23 11:22:31,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:31,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:32,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:32,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72257972] [2024-11-23 11:22:32,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72257972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:32,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102791211] [2024-11-23 11:22:32,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:32,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:32,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:32,098 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:32,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 11:22:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:32,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 11:22:32,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:32,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-23 11:22:32,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:22:32,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:22:32,281 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:22:32,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-23 11:22:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:32,328 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:32,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2024-11-23 11:22:32,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:32,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102791211] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:32,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:32,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 11 [2024-11-23 11:22:32,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292527782] [2024-11-23 11:22:32,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:32,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 11:22:32,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:32,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 11:22:32,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-23 11:22:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:32,483 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:32,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:32,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:32,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:32,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:32,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 11:22:32,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-23 11:22:32,930 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:32,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:32,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1593965584, now seen corresponding path program 1 times [2024-11-23 11:22:32,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:32,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303157753] [2024-11-23 11:22:32,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:32,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:32,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:32,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303157753] [2024-11-23 11:22:32,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303157753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:22:32,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:22:32,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:22:32,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303219505] [2024-11-23 11:22:32,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:22:32,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:22:32,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:32,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:22:32,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:22:32,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:32,983 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:32,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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) [2024-11-23 11:22:32,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:32,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:32,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:32,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:33,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:33,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:33,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:33,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:33,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 11:22:33,042 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:33,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:33,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1593965583, now seen corresponding path program 1 times [2024-11-23 11:22:33,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:33,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674599182] [2024-11-23 11:22:33,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:33,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:33,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:33,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674599182] [2024-11-23 11:22:33,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674599182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:33,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381270112] [2024-11-23 11:22:33,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:33,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:33,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:33,210 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:33,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 11:22:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:33,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 11:22:33,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:33,372 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 23 treesize of output 7 [2024-11-23 11:22:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:33,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:33,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-23 11:22:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:33,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381270112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:33,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:33,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2024-11-23 11:22:33,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567344870] [2024-11-23 11:22:33,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:33,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-23 11:22:33,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:33,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-23 11:22:33,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-23 11:22:33,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:33,490 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:33,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 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) [2024-11-23 11:22:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:33,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:33,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:33,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:33,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:33,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:33,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-23 11:22:34,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-23 11:22:34,035 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:34,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:34,036 INFO L85 PathProgramCache]: Analyzing trace with hash 552063290, now seen corresponding path program 1 times [2024-11-23 11:22:34,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:34,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586870030] [2024-11-23 11:22:34,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:34,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:34,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:34,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586870030] [2024-11-23 11:22:34,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586870030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:34,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793604066] [2024-11-23 11:22:34,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:34,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:34,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:34,237 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:34,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-23 11:22:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:34,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 11:22:34,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:34,534 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 23 treesize of output 7 [2024-11-23 11:22:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:34,552 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:34,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-23 11:22:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:34,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793604066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:34,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:34,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2024-11-23 11:22:34,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155150664] [2024-11-23 11:22:34,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:34,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-23 11:22:34,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:34,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-23 11:22:34,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2024-11-23 11:22:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:34,688 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:34,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.2) internal successors, (44), 20 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:34,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:34,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:34,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:34,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:34,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:34,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:34,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:34,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:34,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:34,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:34,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-23 11:22:35,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-23 11:22:35,015 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:35,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:35,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1203229544, now seen corresponding path program 2 times [2024-11-23 11:22:35,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:35,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048441496] [2024-11-23 11:22:35,015 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:22:35,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:35,057 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:22:35,057 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 11:22:35,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:35,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048441496] [2024-11-23 11:22:35,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048441496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:35,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641028195] [2024-11-23 11:22:35,388 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:22:35,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:35,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:35,390 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:35,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-23 11:22:35,510 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:22:35,510 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:35,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 11:22:35,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:35,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:35,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-11-23 11:22:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:36,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641028195] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:36,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:36,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 22 [2024-11-23 11:22:36,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455414449] [2024-11-23 11:22:36,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:36,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-23 11:22:36,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:36,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-23 11:22:36,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-23 11:22:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:36,002 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:36,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.6818181818181817) internal successors, (59), 23 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:36,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:36,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:36,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:22:36,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:36,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:36,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:36,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:22:36,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-23 11:22:37,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:37,179 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:37,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:37,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1245057079, now seen corresponding path program 1 times [2024-11-23 11:22:37,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:37,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107272063] [2024-11-23 11:22:37,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:37,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-23 11:22:37,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:37,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107272063] [2024-11-23 11:22:37,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107272063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:37,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268432294] [2024-11-23 11:22:37,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:37,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:37,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:37,480 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:37,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-23 11:22:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:37,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 11:22:37,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:37,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-23 11:22:37,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:22:37,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:22:37,715 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:22:37,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-23 11:22:37,875 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-23 11:22:37,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:38,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2024-11-23 11:22:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-23 11:22:38,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268432294] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:38,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:38,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 21 [2024-11-23 11:22:38,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442859136] [2024-11-23 11:22:38,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:38,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-23 11:22:38,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:38,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-23 11:22:38,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2024-11-23 11:22:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:38,313 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:38,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 22 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:38,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:38,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:38,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:38,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:38,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:38,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:38,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:22:38,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:22:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:22:38,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-23 11:22:39,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:39,102 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:39,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:39,102 INFO L85 PathProgramCache]: Analyzing trace with hash -2047061207, now seen corresponding path program 2 times [2024-11-23 11:22:39,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:39,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905196373] [2024-11-23 11:22:39,103 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:22:39,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:39,137 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:22:39,137 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 34 proven. 68 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 11:22:39,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:39,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905196373] [2024-11-23 11:22:39,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905196373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:39,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791113441] [2024-11-23 11:22:39,383 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:22:39,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:39,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:39,385 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:39,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-23 11:22:39,518 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:22:39,518 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:39,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 11:22:39,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 93 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 11:22:39,806 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 93 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 11:22:40,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791113441] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:40,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:40,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-11-23 11:22:40,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608790266] [2024-11-23 11:22:40,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:40,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-23 11:22:40,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:40,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-23 11:22:40,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2024-11-23 11:22:40,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:40,016 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:40,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.75) internal successors, (90), 23 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:40,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:40,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:40,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:22:40,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:22:40,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:40,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:40,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:40,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:40,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:40,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:40,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:40,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:22:40,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:22:40,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:40,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-23 11:22:40,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-23 11:22:40,394 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-23 11:22:40,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:40,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1142527827, now seen corresponding path program 3 times [2024-11-23 11:22:40,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:40,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046664490] [2024-11-23 11:22:40,395 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:22:40,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:40,416 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 11:22:40,416 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-23 11:22:40,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:40,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046664490] [2024-11-23 11:22:40,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046664490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:40,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213004358] [2024-11-23 11:22:40,688 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:22:40,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:40,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:40,690 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:40,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-23 11:22:40,813 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 11:22:40,813 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:40,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 11:22:40,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:40,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-23 11:22:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:22:40,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-23 11:22:40,929 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:22:40,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-23 11:22:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-23 11:22:41,122 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:41,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2024-11-23 11:22:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-23 11:22:41,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213004358] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:41,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:41,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 17 [2024-11-23 11:22:41,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423534936] [2024-11-23 11:22:41,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:41,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-23 11:22:41,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:41,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-23 11:22:41,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-23 11:22:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:41,721 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:41,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:22:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:22:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:22:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:22:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:22:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:22:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 11:22:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:22:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:43,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 6 remaining) [2024-11-23 11:22:43,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 6 remaining) [2024-11-23 11:22:43,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 6 remaining) [2024-11-23 11:22:43,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 6 remaining) [2024-11-23 11:22:43,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 6 remaining) [2024-11-23 11:22:43,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 6 remaining) [2024-11-23 11:22:43,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-23 11:22:43,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-23 11:22:43,451 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2024-11-23 11:22:43,451 INFO L319 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/4) [2024-11-23 11:22:43,455 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:22:43,456 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:22:43,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:22:43,459 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;@705083ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:22:43,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-23 11:22:43,471 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:22:43,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:43,472 INFO L85 PathProgramCache]: Analyzing trace with hash 872810, now seen corresponding path program 1 times [2024-11-23 11:22:43,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:43,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490911324] [2024-11-23 11:22:43,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:43,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:43,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:43,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490911324] [2024-11-23 11:22:43,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490911324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:22:43,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:22:43,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 11:22:43,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755654013] [2024-11-23 11:22:43,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:22:43,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:22:43,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:43,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:22:43,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:22:43,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:43,493 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:43,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:43,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:43,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 11:22:43,514 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:22:43,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:43,514 INFO L85 PathProgramCache]: Analyzing trace with hash 872811, now seen corresponding path program 1 times [2024-11-23 11:22:43,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:43,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451370235] [2024-11-23 11:22:43,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:43,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:43,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:43,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:43,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451370235] [2024-11-23 11:22:43,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451370235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:22:43,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:22:43,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:22:43,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814353396] [2024-11-23 11:22:43,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:22:43,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:22:43,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:43,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:22:43,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:22:43,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:43,606 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:43,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:43,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:43,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:43,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 11:22:43,702 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:22:43,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:43,702 INFO L85 PathProgramCache]: Analyzing trace with hash 27057421, now seen corresponding path program 1 times [2024-11-23 11:22:43,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:43,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019569276] [2024-11-23 11:22:43,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:43,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:22:43,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:43,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019569276] [2024-11-23 11:22:43,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019569276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:22:43,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:22:43,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:22:43,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313235902] [2024-11-23 11:22:43,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:22:43,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 11:22:43,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:43,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 11:22:43,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 11:22:43,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:43,810 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:43,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:43,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:43,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:43,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:43,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 11:22:43,879 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:22:43,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:43,880 INFO L85 PathProgramCache]: Analyzing trace with hash 555370559, now seen corresponding path program 1 times [2024-11-23 11:22:43,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:43,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585727210] [2024-11-23 11:22:43,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:43,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:44,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:44,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:44,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585727210] [2024-11-23 11:22:44,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585727210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:44,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105372989] [2024-11-23 11:22:44,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:44,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:44,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:44,060 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:44,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-23 11:22:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:44,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 11:22:44,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:44,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2024-11-23 11:22:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:44,374 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:22:44,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105372989] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:44,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:44,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 11 [2024-11-23 11:22:44,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941036008] [2024-11-23 11:22:44,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:44,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 11:22:44,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:44,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 11:22:44,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-23 11:22:44,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:44,547 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:44,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.75) 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) [2024-11-23 11:22:44,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:44,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:44,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:44,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:45,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-23 11:22:45,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-23 11:22:45,780 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:22:45,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:45,781 INFO L85 PathProgramCache]: Analyzing trace with hash 307187682, now seen corresponding path program 1 times [2024-11-23 11:22:45,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:45,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086755863] [2024-11-23 11:22:45,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:45,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-23 11:22:45,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:45,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086755863] [2024-11-23 11:22:45,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086755863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:22:45,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:22:45,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:22:45,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217055467] [2024-11-23 11:22:45,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:22:45,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:22:45,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:45,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:22:45,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:22:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:45,824 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:45,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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) [2024-11-23 11:22:45,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:45,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:45,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:45,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:45,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:46,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:46,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:46,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:46,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:46,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 11:22:46,109 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:22:46,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:46,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1374762005, now seen corresponding path program 1 times [2024-11-23 11:22:46,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:46,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207492194] [2024-11-23 11:22:46,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:46,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:46,284 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 11:22:46,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:46,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207492194] [2024-11-23 11:22:46,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207492194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:46,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483288257] [2024-11-23 11:22:46,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:22:46,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:46,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:46,287 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:46,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-23 11:22:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:22:46,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 11:22:46,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 11:22:46,542 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 11:22:46,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483288257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:46,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:46,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 16 [2024-11-23 11:22:46,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129607418] [2024-11-23 11:22:46,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:46,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-23 11:22:46,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:46,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-23 11:22:46,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-23 11:22:46,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:46,644 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:46,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:46,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:46,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:46,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:46,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:46,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:46,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:47,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:22:47,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-23 11:22:47,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-23 11:22:47,522 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:22:47,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:47,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1036043666, now seen corresponding path program 2 times [2024-11-23 11:22:47,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:47,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871470466] [2024-11-23 11:22:47,523 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:22:47,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:47,596 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:22:47,596 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 11:22:48,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:48,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871470466] [2024-11-23 11:22:48,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871470466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:48,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136351430] [2024-11-23 11:22:48,321 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:22:48,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:48,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:48,323 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:48,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-23 11:22:48,465 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:22:48,465 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:48,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-23 11:22:48,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:48,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:22:48,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 15 [2024-11-23 11:22:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 11:22:49,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:49,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:22:49,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-11-23 11:22:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 11:22:49,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136351430] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:49,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:49,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 14] total 43 [2024-11-23 11:22:49,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424750230] [2024-11-23 11:22:49,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:49,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-23 11:22:49,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:49,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-23 11:22:49,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=1619, Unknown=0, NotChecked=0, Total=1806 [2024-11-23 11:22:49,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:49,439 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:49,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.0232558139534884) internal successors, (130), 43 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:22:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:52,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:22:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:22:52,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-23 11:22:52,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-23 11:22:52,939 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:22:52,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:22:52,939 INFO L85 PathProgramCache]: Analyzing trace with hash 202336041, now seen corresponding path program 3 times [2024-11-23 11:22:52,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:22:52,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506427232] [2024-11-23 11:22:52,940 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:22:52,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:22:53,025 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-23 11:22:53,025 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 11:22:55,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:22:55,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506427232] [2024-11-23 11:22:55,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506427232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:22:55,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145837356] [2024-11-23 11:22:55,007 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:22:55,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:22:55,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:55,009 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:22:55,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-23 11:22:55,180 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-23 11:22:55,180 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:22:55,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 11:22:55,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:22:55,490 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 23 treesize of output 7 [2024-11-23 11:22:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-23 11:22:55,534 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:22:55,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-23 11:22:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-23 11:22:55,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145837356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:22:55,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:22:55,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 9, 9] total 38 [2024-11-23 11:22:55,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491346344] [2024-11-23 11:22:55,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:22:55,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-23 11:22:55,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:22:55,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-23 11:22:55,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1299, Unknown=0, NotChecked=0, Total=1406 [2024-11-23 11:22:55,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:22:55,880 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:22:55,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.710526315789474) internal successors, (141), 38 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:22:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:22:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:22:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:22:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:22:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:22:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:22:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-23 11:23:03,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-23 11:23:04,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:23:04,156 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:23:04,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:23:04,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1383916061, now seen corresponding path program 4 times [2024-11-23 11:23:04,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:23:04,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182796892] [2024-11-23 11:23:04,156 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:23:04,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:23:04,180 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:23:04,180 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 31 proven. 39 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-23 11:23:04,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:23:04,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182796892] [2024-11-23 11:23:04,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182796892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:23:04,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726765532] [2024-11-23 11:23:04,343 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:23:04,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:23:04,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:23:04,345 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:23:04,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-23 11:23:04,497 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:23:04,497 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:04,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 11:23:04,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:23:04,845 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 31 proven. 39 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-23 11:23:04,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:23:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 31 proven. 39 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-23 11:23:05,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726765532] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:23:05,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:23:05,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 18 [2024-11-23 11:23:05,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147160788] [2024-11-23 11:23:05,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:23:05,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-23 11:23:05,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:23:05,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-23 11:23:05,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-23 11:23:05,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:05,094 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:23:05,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 18 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:23:05,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:05,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:05,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:05,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:05,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:05,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:05,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:05,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-23 11:23:05,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:07,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-23 11:23:07,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:23:07,369 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:23:07,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:23:07,370 INFO L85 PathProgramCache]: Analyzing trace with hash -768468742, now seen corresponding path program 5 times [2024-11-23 11:23:07,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:23:07,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991306341] [2024-11-23 11:23:07,370 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:23:07,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:23:07,440 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-23 11:23:07,440 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:07,691 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-23 11:23:07,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:23:07,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991306341] [2024-11-23 11:23:07,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991306341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:23:07,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403956636] [2024-11-23 11:23:07,692 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:23:07,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:23:07,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:23:07,694 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:23:07,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-23 11:23:07,904 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-23 11:23:07,904 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:07,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 11:23:07,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:23:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-23 11:23:08,080 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:23:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-23 11:23:08,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403956636] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:23:08,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:23:08,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-11-23 11:23:08,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131657008] [2024-11-23 11:23:08,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:23:08,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-23 11:23:08,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:23:08,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-23 11:23:08,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-11-23 11:23:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:08,217 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:23:08,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.333333333333333) internal successors, (96), 17 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:23:08,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:08,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:08,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:08,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:08,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:08,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:08,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:08,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:08,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:08,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:08,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-23 11:23:08,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-23 11:23:08,816 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:23:08,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:23:08,816 INFO L85 PathProgramCache]: Analyzing trace with hash 919094654, now seen corresponding path program 6 times [2024-11-23 11:23:08,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:23:08,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132277900] [2024-11-23 11:23:08,816 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:23:08,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:23:09,154 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-23 11:23:09,155 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 16 proven. 77 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-23 11:23:10,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:23:10,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132277900] [2024-11-23 11:23:10,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132277900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:23:10,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922882041] [2024-11-23 11:23:10,630 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:23:10,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:23:10,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:23:10,632 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:23:10,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-23 11:23:10,879 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-23 11:23:10,880 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:10,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 11:23:10,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:23:11,292 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 19 treesize of output 7 [2024-11-23 11:23:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 3 proven. 106 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-23 11:23:11,318 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:23:11,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:23:11,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 17 [2024-11-23 11:23:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 7 proven. 102 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-23 11:23:11,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922882041] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:23:11,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:23:11,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 13, 13] total 37 [2024-11-23 11:23:11,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631258359] [2024-11-23 11:23:11,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:23:11,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-23 11:23:11,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:23:11,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-23 11:23:11,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1212, Unknown=0, NotChecked=0, Total=1332 [2024-11-23 11:23:11,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:11,739 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:23:11,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.081081081081081) internal successors, (188), 37 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:23:11,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:11,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:11,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:11,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:11,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:11,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:11,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:11,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:11,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:11,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:11,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:23:22,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-23 11:23:22,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-23 11:23:22,407 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:23:22,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:23:22,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1541280217, now seen corresponding path program 7 times [2024-11-23 11:23:22,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:23:22,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357219693] [2024-11-23 11:23:22,407 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:23:22,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:23:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:23:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 88 proven. 16 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 11:23:23,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:23:23,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357219693] [2024-11-23 11:23:23,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357219693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:23:23,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629511273] [2024-11-23 11:23:23,019 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:23:23,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:23:23,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:23:23,022 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:23:23,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-23 11:23:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:23:23,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 11:23:23,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:23:23,515 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 23 treesize of output 7 [2024-11-23 11:23:23,541 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 93 proven. 11 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 11:23:23,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:23:23,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-23 11:23:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 93 proven. 11 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 11:23:23,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629511273] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:23:23,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:23:23,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 25 [2024-11-23 11:23:23,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707868199] [2024-11-23 11:23:23,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:23:23,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-23 11:23:23,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:23:23,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-23 11:23:23,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2024-11-23 11:23:23,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:23,726 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:23:23,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.84) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:23:23,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:23:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:23:24,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-23 11:23:24,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-23 11:23:24,773 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:23:24,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:23:24,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1416865927, now seen corresponding path program 8 times [2024-11-23 11:23:24,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:23:24,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381297387] [2024-11-23 11:23:24,773 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:23:24,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:23:24,897 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:23:24,897 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 34 proven. 131 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-23 11:23:25,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:23:25,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381297387] [2024-11-23 11:23:25,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381297387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:23:25,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867453772] [2024-11-23 11:23:25,818 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:23:25,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:23:25,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:23:25,822 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:23:25,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-23 11:23:26,028 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:23:26,028 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:26,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 11:23:26,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:23:26,441 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 15 treesize of output 7 [2024-11-23 11:23:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 39 proven. 96 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-23 11:23:26,457 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:23:26,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:23:26,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2024-11-23 11:23:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 48 proven. 87 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-23 11:23:26,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867453772] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:23:26,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:23:26,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 13] total 34 [2024-11-23 11:23:26,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045642238] [2024-11-23 11:23:26,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:23:26,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-23 11:23:26,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:23:26,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-23 11:23:26,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=939, Unknown=0, NotChecked=0, Total=1122 [2024-11-23 11:23:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:26,817 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:23:26,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.029411764705882) internal successors, (171), 34 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:23:26,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:23:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:23:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:23:29,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-23 11:23:29,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-23 11:23:29,661 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:23:29,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:23:29,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1478036502, now seen corresponding path program 9 times [2024-11-23 11:23:29,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:23:29,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908906930] [2024-11-23 11:23:29,661 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:23:29,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:23:29,841 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-23 11:23:29,841 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 32 proven. 27 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-23 11:23:30,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:23:30,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908906930] [2024-11-23 11:23:30,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908906930] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:23:30,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366802593] [2024-11-23 11:23:30,357 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:23:30,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:23:30,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:23:30,359 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:23:30,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-23 11:23:30,860 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-23 11:23:30,861 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:30,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 11:23:30,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:23:31,225 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 23 treesize of output 7 [2024-11-23 11:23:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 43 proven. 16 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-23 11:23:31,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:23:31,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-23 11:23:31,610 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 43 proven. 16 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-23 11:23:31,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366802593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:23:31,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:23:31,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 34 [2024-11-23 11:23:31,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871194692] [2024-11-23 11:23:31,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:23:31,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-23 11:23:31,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:23:31,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-23 11:23:31,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=907, Unknown=0, NotChecked=0, Total=1122 [2024-11-23 11:23:31,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:31,613 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:23:31,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.647058823529412) internal successors, (158), 34 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:23:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:23:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:23:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:23:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:23:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:23:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:32,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-23 11:23:32,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-23 11:23:32,731 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:23:32,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:23:32,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1433457906, now seen corresponding path program 10 times [2024-11-23 11:23:32,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:23:32,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063452561] [2024-11-23 11:23:32,731 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:23:32,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:23:32,775 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:23:32,775 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 43 proven. 125 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-23 11:23:33,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:23:33,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063452561] [2024-11-23 11:23:33,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063452561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:23:33,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092894659] [2024-11-23 11:23:33,416 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:23:33,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:23:33,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:23:33,418 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:23:33,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-23 11:23:33,629 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:23:33,630 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:33,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 11:23:33,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:23:33,982 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 15 treesize of output 7 [2024-11-23 11:23:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 43 proven. 123 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-23 11:23:34,001 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:23:34,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:23:34,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 15 [2024-11-23 11:23:34,269 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 51 proven. 115 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-23 11:23:34,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092894659] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:23:34,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:23:34,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 32 [2024-11-23 11:23:34,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450625441] [2024-11-23 11:23:34,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:23:34,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-23 11:23:34,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:23:34,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-23 11:23:34,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=808, Unknown=0, NotChecked=0, Total=992 [2024-11-23 11:23:34,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:34,271 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:23:34,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.71875) internal successors, (151), 32 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:34,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:23:35,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:23:35,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-23 11:23:36,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-23 11:23:36,121 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:23:36,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:23:36,121 INFO L85 PathProgramCache]: Analyzing trace with hash 132355452, now seen corresponding path program 11 times [2024-11-23 11:23:36,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:23:36,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454271162] [2024-11-23 11:23:36,121 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:23:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:23:36,529 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-11-23 11:23:36,529 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:47,502 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 3 proven. 391 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 11:23:47,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:23:47,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454271162] [2024-11-23 11:23:47,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454271162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:23:47,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281360801] [2024-11-23 11:23:47,502 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:23:47,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:23:47,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:23:47,504 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:23:47,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-23 11:23:47,808 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-11-23 11:23:47,808 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:23:47,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 151 conjuncts are in the unsatisfiable core [2024-11-23 11:23:47,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:23:56,031 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:23:56,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 29 [2024-11-23 11:23:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 6 proven. 379 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 11:23:56,051 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:24:02,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:24:02,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 87 treesize of output 236 [2024-11-23 11:24:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 11:24:03,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281360801] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:24:03,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:24:03,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 48, 45] total 134 [2024-11-23 11:24:03,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459111234] [2024-11-23 11:24:03,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:24:03,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2024-11-23 11:24:03,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:24:03,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2024-11-23 11:24:03,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=17729, Unknown=0, NotChecked=0, Total=18090 [2024-11-23 11:24:03,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:24:03,902 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:24:03,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 2.7555555555555555) internal successors, (372), 134 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:24:03,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:03,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:24:03,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:24:03,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:03,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:24:22,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-23 11:24:23,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-23 11:24:23,029 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:24:23,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:24:23,030 INFO L85 PathProgramCache]: Analyzing trace with hash 70088837, now seen corresponding path program 12 times [2024-11-23 11:24:23,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:24:23,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518794464] [2024-11-23 11:24:23,030 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:24:23,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:24:23,269 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-11-23 11:24:23,270 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:24:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-23 11:24:24,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:24:24,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518794464] [2024-11-23 11:24:24,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518794464] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:24:24,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191031279] [2024-11-23 11:24:24,001 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:24:24,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:24:24,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:24:24,003 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:24:24,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-23 11:24:24,477 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-11-23 11:24:24,477 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:24:24,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 11:24:24,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:24:25,031 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-23 11:24:25,031 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:24:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 16 proven. 35 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-23 11:24:25,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191031279] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:24:25,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:24:25,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 34 [2024-11-23 11:24:25,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527612021] [2024-11-23 11:24:25,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:24:25,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-23 11:24:25,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:24:25,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-23 11:24:25,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=995, Unknown=0, NotChecked=0, Total=1190 [2024-11-23 11:24:25,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:24:25,540 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:24:25,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 5.2) internal successors, (182), 34 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:24:25,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:25,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:24:25,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:24:25,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:25,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:25,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:25,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:25,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:24:25,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:24:25,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:25,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:24:25,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:24:25,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:24:25,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:25,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:25,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:24:25,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:24:29,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:24:29,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-23 11:24:29,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:24:29,236 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:24:29,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:24:29,237 INFO L85 PathProgramCache]: Analyzing trace with hash 566752941, now seen corresponding path program 13 times [2024-11-23 11:24:29,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:24:29,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638678326] [2024-11-23 11:24:29,237 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:24:29,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:24:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:24:29,912 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 211 proven. 58 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-23 11:24:29,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:24:29,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638678326] [2024-11-23 11:24:29,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638678326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:24:29,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555388283] [2024-11-23 11:24:29,913 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:24:29,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:24:29,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:24:29,915 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:24:29,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-23 11:24:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:24:30,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 11:24:30,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:24:30,558 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 23 treesize of output 7 [2024-11-23 11:24:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 228 proven. 41 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-23 11:24:30,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:24:30,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-23 11:24:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 228 proven. 41 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-23 11:24:30,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555388283] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:24:30,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:24:30,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 40 [2024-11-23 11:24:30,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710508671] [2024-11-23 11:24:30,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:24:30,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-23 11:24:30,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:24:30,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-23 11:24:30,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=1272, Unknown=0, NotChecked=0, Total=1560 [2024-11-23 11:24:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:24:30,964 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:24:30,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.45) internal successors, (138), 40 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:30,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:30,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:24:30,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:24:30,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:24:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:24:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:24:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:24:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:24:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:24:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:24:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:24:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:24:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:24:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:24:33,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-23 11:24:33,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-23 11:24:33,677 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:24:33,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:24:33,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1110388799, now seen corresponding path program 14 times [2024-11-23 11:24:33,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:24:33,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378157713] [2024-11-23 11:24:33,677 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:24:33,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:24:33,727 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:24:33,728 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:24:34,115 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 9 proven. 253 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-23 11:24:34,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:24:34,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378157713] [2024-11-23 11:24:34,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378157713] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:24:34,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667960835] [2024-11-23 11:24:34,116 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:24:34,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:24:34,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:24:34,119 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:24:34,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-23 11:24:34,406 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:24:34,406 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:24:34,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 11:24:34,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:24:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 9 proven. 253 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-23 11:24:34,753 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:24:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 16 proven. 246 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-23 11:24:34,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667960835] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:24:34,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:24:34,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 24 [2024-11-23 11:24:34,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667051685] [2024-11-23 11:24:34,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:24:34,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-23 11:24:34,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:24:34,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-23 11:24:34,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-23 11:24:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:24:34,975 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:24:34,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.92) internal successors, (123), 24 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:24:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:24:34,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:24:34,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:24:34,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:24:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:24:42,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:24:42,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-23 11:24:43,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-23 11:24:43,188 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:24:43,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:24:43,189 INFO L85 PathProgramCache]: Analyzing trace with hash 869245243, now seen corresponding path program 15 times [2024-11-23 11:24:43,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:24:43,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46942910] [2024-11-23 11:24:43,189 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:24:43,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:24:43,308 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-23 11:24:43,308 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:24:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 182 proven. 28 refuted. 0 times theorem prover too weak. 1846 trivial. 0 not checked. [2024-11-23 11:24:44,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:24:44,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46942910] [2024-11-23 11:24:44,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46942910] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:24:44,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083975867] [2024-11-23 11:24:44,722 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:24:44,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:24:44,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:24:44,724 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:24:44,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-23 11:24:45,027 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-23 11:24:45,027 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:24:45,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-23 11:24:45,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:24:45,819 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:24:45,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2024-11-23 11:24:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 205 proven. 12 refuted. 0 times theorem prover too weak. 1839 trivial. 0 not checked. [2024-11-23 11:24:45,888 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:24:46,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:24:46,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 19 [2024-11-23 11:24:46,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 189 proven. 21 refuted. 0 times theorem prover too weak. 1846 trivial. 0 not checked. [2024-11-23 11:24:46,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083975867] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:24:46,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:24:46,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 15] total 42 [2024-11-23 11:24:46,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456565177] [2024-11-23 11:24:46,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:24:46,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-23 11:24:46,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:24:46,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-23 11:24:46,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1556, Unknown=0, NotChecked=0, Total=1722 [2024-11-23 11:24:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:24:46,703 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:24:46,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.880952380952381) internal successors, (163), 42 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:24:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:24:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:24:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:24:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:24:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:24:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:24:56,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:24:56,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:24:56,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:24:56,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-23 11:24:56,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-23 11:24:56,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-23 11:24:56,874 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:24:56,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:24:56,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1511735280, now seen corresponding path program 16 times [2024-11-23 11:24:56,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:24:56,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599488248] [2024-11-23 11:24:56,874 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:24:56,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:24:56,954 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:24:56,954 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:24:57,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2038 backedges. 965 proven. 635 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-23 11:24:57,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:24:57,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599488248] [2024-11-23 11:24:57,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599488248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:24:57,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741630575] [2024-11-23 11:24:57,246 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:24:57,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:24:57,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:24:57,248 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:24:57,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-23 11:24:57,523 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:24:57,523 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:24:57,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 11:24:57,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:24:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2038 backedges. 760 proven. 863 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2024-11-23 11:24:58,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:24:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2038 backedges. 988 proven. 635 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2024-11-23 11:24:58,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741630575] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:24:58,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:24:58,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 29 [2024-11-23 11:24:58,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901221218] [2024-11-23 11:24:58,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:24:58,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-23 11:24:58,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:24:58,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-23 11:24:58,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2024-11-23 11:24:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:24:58,814 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:24:58,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.689655172413794) internal successors, (252), 29 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:24:58,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:58,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:24:58,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:24:58,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:58,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-23 11:24:58,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:25:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-23 11:25:05,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:05,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-23 11:25:05,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:25:05,814 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:25:05,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:25:05,815 INFO L85 PathProgramCache]: Analyzing trace with hash 2119699504, now seen corresponding path program 17 times [2024-11-23 11:25:05,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:25:05,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432001306] [2024-11-23 11:25:05,815 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:25:05,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:25:06,751 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-11-23 11:25:06,751 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:25:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 1276 proven. 16 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2024-11-23 11:25:07,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:25:07,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432001306] [2024-11-23 11:25:07,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432001306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:25:07,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359824435] [2024-11-23 11:25:07,350 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:25:07,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:25:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:25:07,352 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:25:07,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-23 11:25:08,987 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-11-23 11:25:08,987 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:25:08,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 1809 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 11:25:09,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:25:09,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 1145 proven. 16 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2024-11-23 11:25:09,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:25:09,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 1145 proven. 16 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2024-11-23 11:25:09,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359824435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:25:09,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:25:09,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 29 [2024-11-23 11:25:09,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035415201] [2024-11-23 11:25:09,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:25:09,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-23 11:25:09,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:25:09,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-23 11:25:09,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2024-11-23 11:25:09,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:25:09,629 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:25:09,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 5.266666666666667) internal successors, (158), 29 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:25:09,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:09,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:25:09,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:25:09,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:09,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:15,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:25:15,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:25:15,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:25:15,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:15,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-23 11:25:15,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:15,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:15,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-23 11:25:15,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:25:15,982 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:25:15,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:25:15,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1695586260, now seen corresponding path program 18 times [2024-11-23 11:25:15,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:25:15,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353809325] [2024-11-23 11:25:15,982 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:25:15,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:25:16,576 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-11-23 11:25:16,576 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:25:25,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2724 backedges. 36 proven. 1846 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2024-11-23 11:25:25,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:25:25,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353809325] [2024-11-23 11:25:25,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353809325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:25:25,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691806942] [2024-11-23 11:25:25,779 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:25:25,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:25:25,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:25:25,780 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:25:25,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-23 11:25:27,175 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-11-23 11:25:27,176 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:25:27,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-23 11:25:27,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:25:31,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:25:31,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 15 [2024-11-23 11:25:32,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2724 backedges. 7 proven. 1817 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2024-11-23 11:25:32,151 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:25:33,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:25:33,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2024-11-23 11:25:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2724 backedges. 7 proven. 986 refuted. 0 times theorem prover too weak. 1731 trivial. 0 not checked. [2024-11-23 11:25:35,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691806942] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:25:35,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:25:35,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 33, 27] total 118 [2024-11-23 11:25:35,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177597253] [2024-11-23 11:25:35,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:25:35,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2024-11-23 11:25:35,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:25:35,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2024-11-23 11:25:35,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=708, Invalid=13334, Unknown=0, NotChecked=0, Total=14042 [2024-11-23 11:25:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:25:35,749 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:25:35,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 4.0588235294117645) internal successors, (483), 118 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:25:35,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:35,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:35,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:25:35,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:25:35,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:25:35,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:35,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-23 11:25:35,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:35,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:35,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:25:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:25:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:25:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:25:46,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-23 11:25:46,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-23 11:25:46,346 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:25:46,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:25:46,346 INFO L85 PathProgramCache]: Analyzing trace with hash -283134680, now seen corresponding path program 19 times [2024-11-23 11:25:46,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:25:46,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132037175] [2024-11-23 11:25:46,347 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:25:46,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:25:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:25:47,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2735 backedges. 800 proven. 512 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2024-11-23 11:25:47,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:25:47,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132037175] [2024-11-23 11:25:47,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132037175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:25:47,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842681939] [2024-11-23 11:25:47,147 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:25:47,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:25:47,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:25:47,149 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:25:47,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-23 11:25:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:25:47,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 11:25:47,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:25:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2735 backedges. 1276 proven. 36 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2024-11-23 11:25:48,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:25:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2735 backedges. 1276 proven. 36 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2024-11-23 11:25:48,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842681939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:25:48,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:25:48,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 38 [2024-11-23 11:25:48,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019689362] [2024-11-23 11:25:48,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:25:48,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-23 11:25:48,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:25:48,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-23 11:25:48,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=1117, Unknown=0, NotChecked=0, Total=1482 [2024-11-23 11:25:48,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:25:48,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:25:48,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.948717948717949) internal successors, (193), 38 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:25:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:25:48,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:25:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:25:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:25:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:25:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:25:55,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-23 11:25:55,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:25:55,941 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2024-11-23 11:25:55,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:25:55,942 INFO L85 PathProgramCache]: Analyzing trace with hash -126831836, now seen corresponding path program 20 times [2024-11-23 11:25:55,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:25:55,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044549757] [2024-11-23 11:25:55,942 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:25:55,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:25:56,104 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:25:56,105 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:25:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2748 backedges. 671 proven. 73 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2024-11-23 11:25:57,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:25:57,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044549757] [2024-11-23 11:25:57,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044549757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:25:57,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500124853] [2024-11-23 11:25:57,833 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:25:57,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:25:57,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:25:57,834 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:25:57,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a55d65e-a0cd-43c2-a7bf-62b4e97a777d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-23 11:25:58,293 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:25:58,293 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:25:58,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 1848 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 11:25:58,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:25:59,019 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 23 treesize of output 7 [2024-11-23 11:25:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2748 backedges. 383 proven. 51 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2024-11-23 11:25:59,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:25:59,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-23 11:25:59,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2748 backedges. 383 proven. 51 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2024-11-23 11:25:59,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500124853] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:25:59,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:25:59,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 53 [2024-11-23 11:25:59,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721031229] [2024-11-23 11:25:59,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:25:59,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-23 11:25:59,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:25:59,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-23 11:25:59,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=2309, Unknown=0, NotChecked=0, Total=2756 [2024-11-23 11:25:59,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:25:59,923 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:25:59,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.754716981132075) internal successors, (252), 53 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:25:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:25:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:25:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:25:59,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:25:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:25:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-23 11:25:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:25:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:25:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-23 11:25:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:25:59,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.