./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F --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 faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:28:06,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:28:06,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-13 12:28:06,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:28:06,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:28:06,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:28:06,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:28:06,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:28:06,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:28:06,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:28:06,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:28:06,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:28:06,290 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:28:06,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:28:06,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:28:06,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:28:06,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:28:06,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:28:06,292 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 12:28:06,292 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 12:28:06,292 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 12:28:06,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:28:06,292 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 12:28:06,292 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:28:06,293 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:28:06,293 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:28:06,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:28:06,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:28:06,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:28:06,293 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:28:06,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:28:06,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:28:06,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:28:06,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:28:06,294 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:28:06,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:28:06,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:28:06,294 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 12:28:06,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 12:28:06,294 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 12:28:06,294 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 12:28:06,294 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_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F 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 -> faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 [2024-11-13 12:28:06,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:28:06,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:28:06,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:28:06,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:28:06,687 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:28:06,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c Unable to find full path for "g++" [2024-11-13 12:28:08,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:28:09,183 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:28:09,184 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2024-11-13 12:28:09,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/data/cac90901c/ab1e36ffe2b0479bb608205eabf184da/FLAG83b632207 [2024-11-13 12:28:09,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/data/cac90901c/ab1e36ffe2b0479bb608205eabf184da [2024-11-13 12:28:09,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:28:09,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:28:09,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:28:09,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:28:09,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:28:09,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e927a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09, skipping insertion in model container [2024-11-13 12:28:09,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:28:09,542 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:28:09,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:28:09,570 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:28:09,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:28:09,652 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:28:09,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09 WrapperNode [2024-11-13 12:28:09,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:28:09,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:28:09,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:28:09,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:28:09,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,748 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 18, calls inlined = 32, statements flattened = 276 [2024-11-13 12:28:09,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:28:09,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:28:09,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:28:09,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:28:09,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:28:09,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:28:09,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:28:09,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:28:09,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (1/1) ... [2024-11-13 12:28:09,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:28:09,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:09,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 12:28:09,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 12:28:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:28:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 12:28:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 12:28:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 12:28:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 12:28:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:28:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 12:28:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:28:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:28:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:28:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 12:28:09,913 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 12:28:10,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:28:10,104 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:28:10,932 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:28:10,932 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:28:11,610 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:28:11,611 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 12:28:11,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:28:11 BoogieIcfgContainer [2024-11-13 12:28:11,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:28:11,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:28:11,614 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:28:11,624 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:28:11,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:28:09" (1/3) ... [2024-11-13 12:28:11,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45191aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:28:11, skipping insertion in model container [2024-11-13 12:28:11,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:28:09" (2/3) ... [2024-11-13 12:28:11,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45191aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:28:11, skipping insertion in model container [2024-11-13 12:28:11,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:28:11" (3/3) ... [2024-11-13 12:28:11,627 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2024-11-13 12:28:11,645 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:28:11,647 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-1.wvr.c that has 3 procedures, 45 locations, 1 initial locations, 3 loop locations, and 16 error locations. [2024-11-13 12:28:11,647 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:28:11,758 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 12:28:11,838 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:28:11,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 12:28:11,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:11,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-13 12:28:11,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-13 12:28:11,892 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:28:11,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2024-11-13 12:28:11,917 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;@4c8f643f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:28:11,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 12:28:12,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:12,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:12,408 INFO L85 PathProgramCache]: Analyzing trace with hash 227405436, now seen corresponding path program 1 times [2024-11-13 12:28:12,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:12,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086226555] [2024-11-13 12:28:12,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:12,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:12,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:12,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086226555] [2024-11-13 12:28:12,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086226555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:28:12,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:28:12,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:28:12,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902935044] [2024-11-13 12:28:12,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:28:12,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:28:12,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:12,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:28:12,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:28:12,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:12,945 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:12,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:28:12,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:13,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:13,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:28:13,137 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:13,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:13,138 INFO L85 PathProgramCache]: Analyzing trace with hash 227405437, now seen corresponding path program 1 times [2024-11-13 12:28:13,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:13,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759816701] [2024-11-13 12:28:13,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:13,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:13,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:13,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759816701] [2024-11-13 12:28:13,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759816701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:28:13,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:28:13,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:28:13,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188023267] [2024-11-13 12:28:13,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:28:13,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:28:13,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:13,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:28:13,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:28:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:13,471 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:13,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:28:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:13,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:13,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:13,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:28:13,647 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:13,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:13,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1267108339, now seen corresponding path program 1 times [2024-11-13 12:28:13,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:13,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304385396] [2024-11-13 12:28:13,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:14,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:14,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304385396] [2024-11-13 12:28:14,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304385396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:14,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355400119] [2024-11-13 12:28:14,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:14,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:14,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:14,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:14,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:28:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:14,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 12:28:14,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:14,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:14,669 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 [2024-11-13 12:28:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:14,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355400119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:14,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:14,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-13 12:28:14,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722141876] [2024-11-13 12:28:14,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:14,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 12:28:14,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:14,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 12:28:14,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 12:28:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:14,703 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:14,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 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) [2024-11-13 12:28:14,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:14,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:14,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:15,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:15,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:15,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:15,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 12:28:15,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:15,289 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:15,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:15,290 INFO L85 PathProgramCache]: Analyzing trace with hash -629624534, now seen corresponding path program 1 times [2024-11-13 12:28:15,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:15,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375716871] [2024-11-13 12:28:15,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:15,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:15,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:15,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375716871] [2024-11-13 12:28:15,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375716871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:15,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642266556] [2024-11-13 12:28:15,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:15,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:15,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:15,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:15,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:28:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:15,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 12:28:15,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:15,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:15,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:16,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642266556] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:16,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:16,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 13 [2024-11-13 12:28:16,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628885976] [2024-11-13 12:28:16,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:16,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 12:28:16,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:16,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 12:28:16,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-13 12:28:16,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:16,126 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:16,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 13 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) [2024-11-13 12:28:16,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:16,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:16,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:16,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:16,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:16,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:16,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:16,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:28:16,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 12:28:16,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:16,533 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:16,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:16,534 INFO L85 PathProgramCache]: Analyzing trace with hash -763328614, now seen corresponding path program 2 times [2024-11-13 12:28:16,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:16,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643663020] [2024-11-13 12:28:16,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:16,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:17,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:17,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643663020] [2024-11-13 12:28:17,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643663020] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:17,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649723629] [2024-11-13 12:28:17,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:28:17,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:17,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:17,066 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:17,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:28:17,196 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:28:17,196 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:28:17,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:28:17,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:17,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:17,697 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 [2024-11-13 12:28:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:17,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649723629] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:17,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:17,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-11-13 12:28:17,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391985535] [2024-11-13 12:28:17,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:17,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 12:28:17,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:17,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 12:28:17,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-13 12:28:17,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:17,798 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:17,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 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) [2024-11-13 12:28:17,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:17,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:17,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:17,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:28:17,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:18,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:18,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:28:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:18,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 12:28:18,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:18,431 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:18,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:18,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1540329405, now seen corresponding path program 3 times [2024-11-13 12:28:18,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:18,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129987881] [2024-11-13 12:28:18,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:18,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:18,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:18,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129987881] [2024-11-13 12:28:18,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129987881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:18,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137939239] [2024-11-13 12:28:18,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:28:18,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:18,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:18,741 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:18,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:28:18,858 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-13 12:28:18,858 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:28:18,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 12:28:18,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:19,041 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 12:28:19,042 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:19,368 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 13 treesize of output 11 [2024-11-13 12:28:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 12:28:19,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137939239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:19,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:19,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 18 [2024-11-13 12:28:19,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215413223] [2024-11-13 12:28:19,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:19,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 12:28:19,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:19,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 12:28:19,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-13 12:28:19,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:19,390 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:19,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 18 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) [2024-11-13 12:28:19,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:19,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:19,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:19,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:28:19,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:19,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:20,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:20,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 6 remaining) [2024-11-13 12:28:20,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 6 remaining) [2024-11-13 12:28:20,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 6 remaining) [2024-11-13 12:28:20,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 6 remaining) [2024-11-13 12:28:20,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 6 remaining) [2024-11-13 12:28:20,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 6 remaining) [2024-11-13 12:28:20,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 12:28:20,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 12:28:20,678 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2024-11-13 12:28:20,680 INFO L320 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-11-13 12:28:20,683 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:28:20,688 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:28:20,688 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2024-11-13 12:28:20,688 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;@4c8f643f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:28:20,689 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 12:28:20,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:20,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:20,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1032164529, now seen corresponding path program 1 times [2024-11-13 12:28:20,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:20,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054816525] [2024-11-13 12:28:20,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:20,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:20,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:20,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054816525] [2024-11-13 12:28:20,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054816525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:28:20,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:28:20,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:28:20,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006342173] [2024-11-13 12:28:20,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:28:20,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:28:20,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:20,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:28:20,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:28:20,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:20,868 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:20,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-13 12:28:20,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:20,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 12:28:20,939 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:20,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:20,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1032164528, now seen corresponding path program 1 times [2024-11-13 12:28:20,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:20,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728914203] [2024-11-13 12:28:20,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:20,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:21,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:21,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:21,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728914203] [2024-11-13 12:28:21,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728914203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:28:21,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:28:21,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:28:21,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491676974] [2024-11-13 12:28:21,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:28:21,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:28:21,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:21,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:28:21,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:28:21,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:21,049 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:21,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-13 12:28:21,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:21,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:21,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:21,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:21,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 12:28:21,117 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:21,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:21,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1522702048, now seen corresponding path program 1 times [2024-11-13 12:28:21,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:21,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141859833] [2024-11-13 12:28:21,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:21,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:21,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:21,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141859833] [2024-11-13 12:28:21,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141859833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:21,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378151378] [2024-11-13 12:28:21,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:21,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:21,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:21,358 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:21,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 12:28:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:21,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 12:28:21,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:21,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:21,612 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 [2024-11-13 12:28:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:21,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378151378] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:21,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:21,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-13 12:28:21,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452003978] [2024-11-13 12:28:21,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:21,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 12:28:21,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:21,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 12:28:21,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 12:28:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:21,625 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:21,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 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) [2024-11-13 12:28:21,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:21,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:21,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:21,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:21,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:21,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:21,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 12:28:22,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-13 12:28:22,024 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:22,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:22,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1139298328, now seen corresponding path program 1 times [2024-11-13 12:28:22,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:22,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185315510] [2024-11-13 12:28:22,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:22,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:22,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:22,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:22,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185315510] [2024-11-13 12:28:22,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185315510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:22,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624435807] [2024-11-13 12:28:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:22,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:22,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:22,169 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:22,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 12:28:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:22,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 12:28:22,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:22,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:22,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624435807] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:22,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:22,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 13 [2024-11-13 12:28:22,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696638541] [2024-11-13 12:28:22,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:22,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 12:28:22,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:22,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 12:28:22,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-13 12:28:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:22,472 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:22,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:28:22,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:22,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:22,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:22,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:22,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:22,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:22,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:22,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:28:22,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 12:28:22,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:22,806 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:22,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:22,806 INFO L85 PathProgramCache]: Analyzing trace with hash 67265112, now seen corresponding path program 2 times [2024-11-13 12:28:22,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:22,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754373856] [2024-11-13 12:28:22,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:22,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:23,182 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:23,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:23,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754373856] [2024-11-13 12:28:23,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754373856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:23,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433490404] [2024-11-13 12:28:23,184 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:28:23,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:23,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:23,186 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:23,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 12:28:23,272 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:28:23,272 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:28:23,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:28:23,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:23,466 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:23,602 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 [2024-11-13 12:28:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:23,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433490404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:23,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:23,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-11-13 12:28:23,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700563249] [2024-11-13 12:28:23,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:23,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 12:28:23,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:23,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 12:28:23,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-13 12:28:23,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:23,672 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:23,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:28:23,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:23,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:23,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:23,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:28:23,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:28:23,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:23,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 12:28:24,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:24,132 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2024-11-13 12:28:24,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:24,133 INFO L85 PathProgramCache]: Analyzing trace with hash 918835056, now seen corresponding path program 3 times [2024-11-13 12:28:24,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:24,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958985128] [2024-11-13 12:28:24,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:24,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:24,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:24,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958985128] [2024-11-13 12:28:24,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958985128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:24,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395991995] [2024-11-13 12:28:24,315 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:28:24,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:24,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:24,317 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:24,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 12:28:24,426 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-13 12:28:24,427 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:28:24,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 12:28:24,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:24,605 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 12:28:24,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:24,893 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 13 treesize of output 11 [2024-11-13 12:28:24,911 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 12:28:24,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395991995] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:24,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:24,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 18 [2024-11-13 12:28:24,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901726333] [2024-11-13 12:28:24,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:24,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 12:28:24,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:24,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 12:28:24,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-13 12:28:24,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:24,913 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:24,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 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) [2024-11-13 12:28:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:28:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:24,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:25,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:25,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:25,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 6 remaining) [2024-11-13 12:28:25,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 6 remaining) [2024-11-13 12:28:25,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 6 remaining) [2024-11-13 12:28:25,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 6 remaining) [2024-11-13 12:28:25,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 6 remaining) [2024-11-13 12:28:25,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 6 remaining) [2024-11-13 12:28:25,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 12:28:26,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 12:28:26,137 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2024-11-13 12:28:26,138 INFO L320 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2024-11-13 12:28:26,140 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:28:26,141 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:28:26,142 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-13 12:28:26,142 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;@4c8f643f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:28:26,143 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 12:28:26,158 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:26,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:26,159 INFO L85 PathProgramCache]: Analyzing trace with hash 974405, now seen corresponding path program 1 times [2024-11-13 12:28:26,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:26,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651249604] [2024-11-13 12:28:26,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:26,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:26,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:26,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651249604] [2024-11-13 12:28:26,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651249604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:28:26,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:28:26,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 12:28:26,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776590511] [2024-11-13 12:28:26,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:28:26,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:28:26,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:26,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:28:26,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:28:26,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:26,189 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:26,190 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) [2024-11-13 12:28:26,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:26,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 12:28:26,216 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:26,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:26,216 INFO L85 PathProgramCache]: Analyzing trace with hash 974406, now seen corresponding path program 1 times [2024-11-13 12:28:26,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:26,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442510686] [2024-11-13 12:28:26,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:26,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:26,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:26,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:26,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442510686] [2024-11-13 12:28:26,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442510686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:28:26,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:28:26,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:28:26,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377239161] [2024-11-13 12:28:26,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:28:26,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:28:26,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:26,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:28:26,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:28:26,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:26,387 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:26,388 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) [2024-11-13 12:28:26,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:26,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:26,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 12:28:26,446 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:26,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:26,447 INFO L85 PathProgramCache]: Analyzing trace with hash 936434870, now seen corresponding path program 1 times [2024-11-13 12:28:26,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:26,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868144255] [2024-11-13 12:28:26,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:26,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:26,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:26,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868144255] [2024-11-13 12:28:26,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868144255] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:26,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788661435] [2024-11-13 12:28:26,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:26,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:26,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:26,681 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:26,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 12:28:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:26,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:28:26,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:26,792 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 [2024-11-13 12:28:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:27,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:27,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788661435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:27,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:27,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2024-11-13 12:28:27,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035023734] [2024-11-13 12:28:27,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:27,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 12:28:27,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:27,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 12:28:27,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-13 12:28:27,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:27,199 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:27,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:28:27,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:27,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:27,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:27,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:27,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:27,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:27,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-13 12:28:28,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 12:28:28,064 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:28,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:28,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1969993137, now seen corresponding path program 1 times [2024-11-13 12:28:28,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:28,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866369154] [2024-11-13 12:28:28,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:28,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:28:28,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:28,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866369154] [2024-11-13 12:28:28,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866369154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:28,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176568066] [2024-11-13 12:28:28,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:28,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:28,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:28,237 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:28,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 12:28:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:28,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 12:28:28,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:28,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:28,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:28,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:28,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176568066] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:28,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:28:28,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2024-11-13 12:28:28,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688321904] [2024-11-13 12:28:28,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:28:28,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:28:28,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:28,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:28:28,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-13 12:28:28,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:28,595 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:28,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 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) [2024-11-13 12:28:28,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:28,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:28,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:28,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:28,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:28,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:28,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:28,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:28,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 12:28:28,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 12:28:28,982 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:28,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:28,983 INFO L85 PathProgramCache]: Analyzing trace with hash -799444727, now seen corresponding path program 1 times [2024-11-13 12:28:28,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:28,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017949924] [2024-11-13 12:28:28,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:28,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 12:28:29,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:29,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017949924] [2024-11-13 12:28:29,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017949924] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:29,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140872470] [2024-11-13 12:28:29,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:29,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:29,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:29,100 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:29,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 12:28:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:29,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:28:29,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:29,339 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:29,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140872470] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:29,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:29,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 13 [2024-11-13 12:28:29,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491986736] [2024-11-13 12:28:29,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:29,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 12:28:29,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:29,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 12:28:29,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-13 12:28:29,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:29,438 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:29,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 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) [2024-11-13 12:28:29,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:29,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:29,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:29,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:29,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:29,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 12:28:30,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 12:28:30,155 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:30,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:30,155 INFO L85 PathProgramCache]: Analyzing trace with hash -916385306, now seen corresponding path program 1 times [2024-11-13 12:28:30,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:30,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512128463] [2024-11-13 12:28:30,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:30,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:28:30,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:30,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512128463] [2024-11-13 12:28:30,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512128463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:30,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837235327] [2024-11-13 12:28:30,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:30,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:30,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:30,373 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:30,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 12:28:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:30,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:28:30,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:28:30,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:30,826 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:28:30,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837235327] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:30,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:30,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-13 12:28:30,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365510958] [2024-11-13 12:28:30,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:30,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 12:28:30,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:30,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 12:28:30,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-13 12:28:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:30,831 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:30,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 12 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) [2024-11-13 12:28:30,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:30,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:30,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:30,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:30,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:30,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:31,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:31,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-13 12:28:31,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 12:28:31,402 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:31,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:31,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1230964177, now seen corresponding path program 2 times [2024-11-13 12:28:31,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:31,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140043778] [2024-11-13 12:28:31,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:31,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:33,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:33,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140043778] [2024-11-13 12:28:33,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140043778] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:33,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87255193] [2024-11-13 12:28:33,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:28:33,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:33,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:33,609 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:33,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 12:28:33,757 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:28:33,758 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:28:33,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 12:28:33,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:33,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:28:34,932 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:28:34,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 27 [2024-11-13 12:28:35,151 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:35,152 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:36,701 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 31 treesize of output 27 [2024-11-13 12:28:36,756 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-13 12:28:36,756 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 58 treesize of output 41 [2024-11-13 12:28:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:28:37,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87255193] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:37,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:37,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 16] total 40 [2024-11-13 12:28:37,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128663793] [2024-11-13 12:28:37,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:37,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-13 12:28:37,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:37,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-13 12:28:37,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1427, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 12:28:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:37,019 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:37,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.5121951219512195) internal successors, (103), 40 states have internal predecessors, (103), 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) [2024-11-13 12:28:37,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:37,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:37,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:37,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:37,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:37,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:37,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:40,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:40,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:40,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:40,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:40,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:40,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:40,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:40,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-13 12:28:40,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:40,588 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:40,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:40,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2032411497, now seen corresponding path program 1 times [2024-11-13 12:28:40,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:40,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695257838] [2024-11-13 12:28:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:40,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:40,951 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:28:40,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:40,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695257838] [2024-11-13 12:28:40,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695257838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:40,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133268119] [2024-11-13 12:28:40,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:40,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:40,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:40,954 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:40,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 12:28:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:41,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 12:28:41,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:41,372 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 12:28:41,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 12:28:41,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133268119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:41,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:41,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 20 [2024-11-13 12:28:41,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953322762] [2024-11-13 12:28:41,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:41,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 12:28:41,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:41,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 12:28:41,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-11-13 12:28:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:41,573 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:41,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.142857142857143) internal successors, (87), 20 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) [2024-11-13 12:28:41,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:41,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:41,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:41,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:41,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:41,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:41,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:41,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:42,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 12:28:42,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:42,248 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:42,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:42,248 INFO L85 PathProgramCache]: Analyzing trace with hash -217602599, now seen corresponding path program 2 times [2024-11-13 12:28:42,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:42,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511983422] [2024-11-13 12:28:42,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:42,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 12:28:42,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:42,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511983422] [2024-11-13 12:28:42,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511983422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:42,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399210205] [2024-11-13 12:28:42,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:28:42,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:42,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:42,584 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:42,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 12:28:42,754 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:28:42,755 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:28:42,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 12:28:42,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:43,098 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 12:28:43,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:43,463 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 12:28:43,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399210205] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:43,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:43,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 26 [2024-11-13 12:28:43,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037083907] [2024-11-13 12:28:43,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:43,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 12:28:43,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:43,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 12:28:43,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2024-11-13 12:28:43,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:43,470 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:43,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.037037037037037) internal successors, (109), 26 states have internal predecessors, (109), 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) [2024-11-13 12:28:43,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:43,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:43,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:43,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:43,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:43,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:43,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:43,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:43,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:44,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:28:44,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-13 12:28:44,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-13 12:28:44,678 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:44,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:44,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1433415346, now seen corresponding path program 3 times [2024-11-13 12:28:44,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:44,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856337731] [2024-11-13 12:28:44,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:44,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:45,079 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 12:28:45,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:45,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856337731] [2024-11-13 12:28:45,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856337731] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:45,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824121280] [2024-11-13 12:28:45,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:28:45,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:45,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:45,082 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:45,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 12:28:45,379 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-13 12:28:45,379 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:28:45,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 12:28:45,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:45,776 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 12:28:45,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 12:28:46,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824121280] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:46,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:46,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-11-13 12:28:46,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051246008] [2024-11-13 12:28:46,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:46,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 12:28:46,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:46,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 12:28:46,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-13 12:28:46,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:46,045 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:46,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.0) internal successors, (92), 22 states have internal predecessors, (92), 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) [2024-11-13 12:28:46,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:46,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:46,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:46,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:46,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:46,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:46,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:46,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:46,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:28:46,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:46,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:46,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:46,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:28:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:28:46,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 12:28:46,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:46,718 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:46,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:46,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1811437719, now seen corresponding path program 4 times [2024-11-13 12:28:46,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:46,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047652319] [2024-11-13 12:28:46,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:46,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:47,212 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 49 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 12:28:47,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:47,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047652319] [2024-11-13 12:28:47,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047652319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:47,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119008940] [2024-11-13 12:28:47,213 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 12:28:47,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:47,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:47,216 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:47,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 12:28:47,417 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 12:28:47,417 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:28:47,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 12:28:47,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 42 proven. 23 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 12:28:47,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:48,077 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 42 proven. 23 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 12:28:48,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119008940] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:48,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:48,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 28 [2024-11-13 12:28:48,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80780561] [2024-11-13 12:28:48,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:48,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-13 12:28:48,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:48,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 12:28:48,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=662, Unknown=0, NotChecked=0, Total=812 [2024-11-13 12:28:48,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:48,081 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:48,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.6206896551724137) internal successors, (105), 28 states have internal predecessors, (105), 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) [2024-11-13 12:28:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:28:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:28:48,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:28:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:28:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:28:48,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 12:28:48,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 12:28:48,789 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:48,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:48,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1084106201, now seen corresponding path program 5 times [2024-11-13 12:28:48,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:48,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724406337] [2024-11-13 12:28:48,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:48,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:49,335 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 9 proven. 50 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 12:28:49,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:49,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724406337] [2024-11-13 12:28:49,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724406337] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:49,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660789418] [2024-11-13 12:28:49,336 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 12:28:49,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:49,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:49,338 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:49,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 12:28:49,558 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-13 12:28:49,558 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:28:49,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 12:28:49,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 67 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 12:28:50,003 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 31 proven. 52 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 12:28:50,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660789418] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:50,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:50,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-11-13 12:28:50,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51546114] [2024-11-13 12:28:50,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:50,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 12:28:50,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:50,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 12:28:50,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-11-13 12:28:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:50,305 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:50,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.857142857142857) internal successors, (136), 28 states have internal predecessors, (136), 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) [2024-11-13 12:28:50,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:50,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:50,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:50,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:50,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:50,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:50,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:50,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:50,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:28:50,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:28:50,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:28:50,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:28:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:28:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:28:51,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:28:51,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-13 12:28:52,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:52,142 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:52,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:52,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1422340170, now seen corresponding path program 6 times [2024-11-13 12:28:52,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:52,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252123246] [2024-11-13 12:28:52,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:52,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 73 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 12:28:52,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:52,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252123246] [2024-11-13 12:28:52,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252123246] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:52,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505480172] [2024-11-13 12:28:52,806 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 12:28:52,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:52,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:52,809 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:52,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 12:28:53,338 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-13 12:28:53,338 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:28:53,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 12:28:53,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 64 proven. 34 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 12:28:53,917 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:54,347 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 64 proven. 34 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 12:28:54,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505480172] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:54,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:54,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 33 [2024-11-13 12:28:54,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628309662] [2024-11-13 12:28:54,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:54,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 12:28:54,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:54,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 12:28:54,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=919, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 12:28:54,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:54,351 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:54,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.5588235294117645) internal successors, (121), 33 states have internal predecessors, (121), 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) [2024-11-13 12:28:54,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:54,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:54,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:54,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:54,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:54,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:54,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:54,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:54,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:28:54,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:28:54,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:28:54,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:28:54,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:54,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:28:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:28:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:28:54,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:28:54,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:28:54,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 12:28:55,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:55,115 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:55,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:55,115 INFO L85 PathProgramCache]: Analyzing trace with hash -44751322, now seen corresponding path program 7 times [2024-11-13 12:28:55,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:55,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099653776] [2024-11-13 12:28:55,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:55,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:55,681 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 16 proven. 75 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-13 12:28:55,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:55,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099653776] [2024-11-13 12:28:55,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099653776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:55,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833173749] [2024-11-13 12:28:55,682 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 12:28:55,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:55,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:55,684 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:55,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 12:28:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:55,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:28:55,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 25 proven. 66 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-13 12:28:56,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:28:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 36 proven. 55 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-13 12:28:56,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833173749] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:28:56,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:28:56,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 32 [2024-11-13 12:28:56,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923861138] [2024-11-13 12:28:56,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:28:56,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-13 12:28:56,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:56,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-13 12:28:56,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=796, Unknown=0, NotChecked=0, Total=1056 [2024-11-13 12:28:56,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:56,885 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:56,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.757575757575758) internal successors, (124), 32 states have internal predecessors, (124), 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) [2024-11-13 12:28:56,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:56,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:56,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:56,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:56,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:56,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:56,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:56,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:56,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:28:56,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:28:56,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:28:56,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:28:56,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:28:56,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:28:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:28:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:28:57,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-13 12:28:57,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:57,650 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:28:57,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:57,650 INFO L85 PathProgramCache]: Analyzing trace with hash -66217583, now seen corresponding path program 8 times [2024-11-13 12:28:57,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:57,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562106447] [2024-11-13 12:28:57,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:57,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:29:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 9 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:29:07,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:29:07,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562106447] [2024-11-13 12:29:07,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562106447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:29:07,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859379686] [2024-11-13 12:29:07,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:29:07,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:29:07,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:29:07,275 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:29:07,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 12:29:07,511 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:29:07,511 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:29:07,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-13 12:29:07,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:29:12,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:29:12,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 67 treesize of output 19 [2024-11-13 12:29:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:29:12,753 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:29:17,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:29:17,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 125 treesize of output 368 [2024-11-13 12:29:21,528 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 12:29:21,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859379686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:29:21,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:29:21,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 36, 31] total 102 [2024-11-13 12:29:21,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904863036] [2024-11-13 12:29:21,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:29:21,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-13 12:29:21,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:29:21,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-13 12:29:21,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=9819, Unknown=0, NotChecked=0, Total=10302 [2024-11-13 12:29:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:29:21,540 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:29:21,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 2.3529411764705883) internal successors, (240), 102 states have internal predecessors, (240), 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) [2024-11-13 12:29:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:29:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:29:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:29:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:29:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:29:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:29:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:29:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:29:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:29:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:29:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:29:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:29:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:29:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:29:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:29:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:29:40,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:29:40,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-13 12:29:41,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:29:41,079 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:29:41,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:29:41,079 INFO L85 PathProgramCache]: Analyzing trace with hash -357697575, now seen corresponding path program 9 times [2024-11-13 12:29:41,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:29:41,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789931877] [2024-11-13 12:29:41,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:29:41,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:29:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:29:41,773 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 25 proven. 105 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-13 12:29:41,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:29:41,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789931877] [2024-11-13 12:29:41,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789931877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:29:41,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577477015] [2024-11-13 12:29:41,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:29:41,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:29:41,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:29:41,776 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:29:41,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 12:29:42,056 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-13 12:29:42,056 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:29:42,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 12:29:42,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:29:42,611 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 36 proven. 94 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-13 12:29:42,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:29:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 49 proven. 81 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-13 12:29:43,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577477015] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:29:43,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:29:43,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 37 [2024-11-13 12:29:43,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894621847] [2024-11-13 12:29:43,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:29:43,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-13 12:29:43,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:29:43,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-13 12:29:43,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=1065, Unknown=0, NotChecked=0, Total=1406 [2024-11-13 12:29:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:29:43,024 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:29:43,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.6842105263157894) internal successors, (140), 37 states have internal predecessors, (140), 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) [2024-11-13 12:29:43,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:29:43,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:29:43,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:29:43,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:29:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:29:43,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:29:43,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 12:29:43,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:29:43,763 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:29:43,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:29:43,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2080563134, now seen corresponding path program 10 times [2024-11-13 12:29:43,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:29:43,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164287504] [2024-11-13 12:29:43,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:29:43,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:29:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:29:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 175 proven. 49 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 12:29:44,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:29:44,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164287504] [2024-11-13 12:29:44,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164287504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:29:44,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913303833] [2024-11-13 12:29:44,473 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 12:29:44,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:29:44,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:29:44,476 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:29:44,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-13 12:29:44,884 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 12:29:44,884 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:29:44,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 12:29:44,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:29:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 160 proven. 64 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 12:29:45,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:29:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 160 proven. 64 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 12:29:46,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913303833] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:29:46,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:29:46,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 19] total 46 [2024-11-13 12:29:46,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819807186] [2024-11-13 12:29:46,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:29:46,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-13 12:29:46,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:29:46,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-13 12:29:46,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=1773, Unknown=0, NotChecked=0, Total=2162 [2024-11-13 12:29:46,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:29:46,049 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:29:46,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.595744680851064) internal successors, (169), 46 states have internal predecessors, (169), 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) [2024-11-13 12:29:46,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:29:46,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:29:46,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:29:46,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:29:46,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:29:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:29:46,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-13 12:29:46,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:29:46,888 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:29:46,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:29:46,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1316078882, now seen corresponding path program 11 times [2024-11-13 12:29:46,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:29:46,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407483547] [2024-11-13 12:29:46,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:29:46,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:29:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:29:47,710 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 49 proven. 144 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-13 12:29:47,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:29:47,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407483547] [2024-11-13 12:29:47,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407483547] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:29:47,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387502350] [2024-11-13 12:29:47,711 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 12:29:47,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:29:47,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:29:47,715 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:29:47,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 12:29:48,085 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-13 12:29:48,086 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:29:48,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 12:29:48,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:29:48,729 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 64 proven. 129 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-13 12:29:48,729 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:29:49,403 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 81 proven. 112 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-13 12:29:49,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387502350] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:29:49,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:29:49,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 47 [2024-11-13 12:29:49,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133979156] [2024-11-13 12:29:49,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:29:49,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-13 12:29:49,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:29:49,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-13 12:29:49,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1705, Unknown=0, NotChecked=0, Total=2256 [2024-11-13 12:29:49,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:29:49,407 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:29:49,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.8541666666666665) internal successors, (185), 47 states have internal predecessors, (185), 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) [2024-11-13 12:29:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:29:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:29:50,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:29:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:29:50,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:29:50,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-13 12:29:50,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:29:50,310 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:29:50,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:29:50,311 INFO L85 PathProgramCache]: Analyzing trace with hash -947118146, now seen corresponding path program 12 times [2024-11-13 12:29:50,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:29:50,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330954216] [2024-11-13 12:29:50,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:29:50,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:29:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:30:05,876 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 16 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:30:05,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:30:05,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330954216] [2024-11-13 12:30:05,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330954216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:30:05,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652095835] [2024-11-13 12:30:05,877 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 12:30:05,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:30:05,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:30:05,880 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:30:05,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-13 12:30:06,423 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-13 12:30:06,423 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:30:06,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-11-13 12:30:06,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:30:07,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-13 12:30:16,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:30:17,260 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:30:17,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 92 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 127 treesize of output 377 [2024-11-13 12:30:19,854 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:30:19,855 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:30:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-13 12:30:30,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652095835] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:30:30,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:30:30,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 53, 45] total 149 [2024-11-13 12:30:30,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167036698] [2024-11-13 12:30:30,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:30:30,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2024-11-13 12:30:30,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:30:30,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2024-11-13 12:30:30,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1217, Invalid=20835, Unknown=0, NotChecked=0, Total=22052 [2024-11-13 12:30:30,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:30:30,410 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:30:30,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 2.3087248322147653) internal successors, (344), 149 states have internal predecessors, (344), 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) [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:30:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:31:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:31:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:31:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:31:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:31:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:31:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:31:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:31:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:31:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:31:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:31:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:31:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:31:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:31:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:31:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:31:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:31:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:31:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:31:56,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:31:56,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-13 12:31:56,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:31:56,781 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:31:56,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:31:56,781 INFO L85 PathProgramCache]: Analyzing trace with hash 185876646, now seen corresponding path program 13 times [2024-11-13 12:31:56,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:31:56,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769405842] [2024-11-13 12:31:56,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:31:56,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:31:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:31:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 64 proven. 225 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-13 12:31:57,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:31:57,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769405842] [2024-11-13 12:31:57,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769405842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:31:57,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745447979] [2024-11-13 12:31:57,445 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 12:31:57,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:31:57,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:31:57,447 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:31:57,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-13 12:31:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:31:57,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 12:31:57,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:31:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 298 proven. 119 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-13 12:31:58,637 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:31:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 298 proven. 119 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-13 12:31:59,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745447979] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:31:59,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:31:59,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 24] total 68 [2024-11-13 12:31:59,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339645305] [2024-11-13 12:31:59,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:31:59,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-11-13 12:31:59,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:31:59,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-11-13 12:31:59,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=569, Invalid=4123, Unknown=0, NotChecked=0, Total=4692 [2024-11-13 12:31:59,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:31:59,862 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:31:59,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 3.710144927536232) internal successors, (256), 68 states have internal predecessors, (256), 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) [2024-11-13 12:31:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:31:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:31:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:31:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:31:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:31:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:31:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:31:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:31:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:31:59,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:31:59,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:31:59,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:31:59,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:31:59,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:31:59,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:31:59,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:31:59,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:31:59,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:31:59,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:31:59,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:32:02,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:32:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:32:02,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:32:02,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-13 12:32:02,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:32:02,596 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:32:02,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:32:02,597 INFO L85 PathProgramCache]: Analyzing trace with hash 604309153, now seen corresponding path program 14 times [2024-11-13 12:32:02,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:32:02,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349608822] [2024-11-13 12:32:02,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:32:02,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:32:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:32:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 81 proven. 275 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-13 12:32:03,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:32:03,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349608822] [2024-11-13 12:32:03,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349608822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:32:03,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974500473] [2024-11-13 12:32:03,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:32:03,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:32:03,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:32:03,550 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:32:03,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-13 12:32:03,791 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:32:03,791 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:32:03,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 12:32:03,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:32:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 301 proven. 142 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 12:32:04,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:32:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 301 proven. 142 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 12:32:06,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974500473] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:32:06,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:32:06,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26, 26] total 74 [2024-11-13 12:32:06,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409726709] [2024-11-13 12:32:06,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:32:06,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-11-13 12:32:06,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:32:06,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-11-13 12:32:06,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=4882, Unknown=0, NotChecked=0, Total=5550 [2024-11-13 12:32:06,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:32:06,131 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:32:06,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 3.68) internal successors, (276), 74 states have internal predecessors, (276), 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) [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:32:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:32:06,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:32:09,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:32:09,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:32:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:32:09,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-13 12:32:09,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-13 12:32:09,477 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:32:09,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:32:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1696150630, now seen corresponding path program 15 times [2024-11-13 12:32:09,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:32:09,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265291264] [2024-11-13 12:32:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:32:09,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:32:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:32:10,370 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 100 proven. 330 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-13 12:32:10,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:32:10,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265291264] [2024-11-13 12:32:10,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265291264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:32:10,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587874065] [2024-11-13 12:32:10,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:32:10,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:32:10,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:32:10,372 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:32:10,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-13 12:32:10,874 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-13 12:32:10,874 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:32:10,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 12:32:10,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:32:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 121 proven. 309 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-13 12:32:11,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:32:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 144 proven. 286 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-13 12:32:12,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587874065] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:32:12,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:32:12,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 62 [2024-11-13 12:32:12,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508469972] [2024-11-13 12:32:12,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:32:12,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-13 12:32:12,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:32:12,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-13 12:32:12,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=911, Invalid=2995, Unknown=0, NotChecked=0, Total=3906 [2024-11-13 12:32:12,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:32:12,633 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:32:12,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.492063492063492) internal successors, (220), 62 states have internal predecessors, (220), 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) [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:32:12,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:32:13,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:32:13,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:32:13,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:32:13,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:32:13,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:32:13,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:32:13,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:32:13,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:32:13,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-13 12:32:13,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-13 12:32:13,759 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:32:13,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:32:13,760 INFO L85 PathProgramCache]: Analyzing trace with hash 534278993, now seen corresponding path program 16 times [2024-11-13 12:32:13,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:32:13,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443244483] [2024-11-13 12:32:13,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:32:13,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:32:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:32:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 808 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:32:34,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:32:34,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443244483] [2024-11-13 12:32:34,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443244483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:32:34,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022843534] [2024-11-13 12:32:34,094 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 12:32:34,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:32:34,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:32:34,097 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:32:34,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-13 12:32:34,504 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 12:32:34,504 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:32:34,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 182 conjuncts are in the unsatisfiable core [2024-11-13 12:32:34,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:32:48,451 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:32:48,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 171 treesize of output 31 [2024-11-13 12:32:48,620 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 807 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:32:48,620 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:08,023 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:33:08,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 245 treesize of output 1448 [2024-11-13 12:35:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 12:35:03,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022843534] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:35:03,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:35:03,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 64, 53] total 181 [2024-11-13 12:35:03,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906050714] [2024-11-13 12:35:03,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:35:03,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-11-13 12:35:03,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:35:03,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-11-13 12:35:03,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=852, Invalid=31728, Unknown=0, NotChecked=0, Total=32580 [2024-11-13 12:35:03,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:03,767 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:35:03,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 2.4419889502762433) internal successors, (442), 181 states have internal predecessors, (442), 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) [2024-11-13 12:35:03,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:03,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:03,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:35:03,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:35:03,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:35:03,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:35:03,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:35:03,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:35:03,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:03,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:52,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:35:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:35:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:35:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:35:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:35:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:35:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:35:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:35:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:35:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:35:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:35:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:35:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:35:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:35:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:35:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:35:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:52,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:35:52,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-13 12:35:52,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-13 12:35:52,671 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:35:52,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:35:52,671 INFO L85 PathProgramCache]: Analyzing trace with hash -914080663, now seen corresponding path program 17 times [2024-11-13 12:35:52,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:35:52,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741389795] [2024-11-13 12:35:52,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:35:52,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:35:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:35:53,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 514 proven. 144 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-13 12:35:53,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:35:53,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741389795] [2024-11-13 12:35:53,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741389795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:35:53,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506718648] [2024-11-13 12:35:53,675 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 12:35:53,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:35:53,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:35:53,677 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:35:53,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-13 12:35:54,030 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-13 12:35:54,030 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:35:54,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 12:35:54,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:35:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 345 proven. 300 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-11-13 12:35:55,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:35:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 345 proven. 300 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-11-13 12:35:55,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506718648] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:35:55,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:35:55,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 28] total 70 [2024-11-13 12:35:55,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942711126] [2024-11-13 12:35:55,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:35:55,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-13 12:35:55,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:35:55,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-13 12:35:55,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=829, Invalid=4141, Unknown=0, NotChecked=0, Total=4970 [2024-11-13 12:35:55,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:55,880 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:35:55,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 3.5492957746478875) internal successors, (252), 70 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) [2024-11-13 12:35:55,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:55,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:55,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:35:55,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:35:55,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:35:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:35:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:35:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:35:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:35:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:35:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:35:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:35:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:35:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:35:56,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-13 12:35:56,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-13 12:35:56,922 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:35:56,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:35:56,922 INFO L85 PathProgramCache]: Analyzing trace with hash -621662503, now seen corresponding path program 18 times [2024-11-13 12:35:56,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:35:56,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468787824] [2024-11-13 12:35:56,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:35:56,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:35:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:35:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 121 proven. 390 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-13 12:35:58,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:35:58,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468787824] [2024-11-13 12:35:58,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468787824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:35:58,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558954066] [2024-11-13 12:35:58,033 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 12:35:58,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:35:58,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:35:58,035 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:35:58,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-13 12:35:58,819 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-11-13 12:35:58,819 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:35:58,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 12:35:58,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:36:00,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 487 proven. 196 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-13 12:36:00,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:36:01,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 487 proven. 196 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-13 12:36:01,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558954066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:36:01,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:36:01,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31, 31] total 88 [2024-11-13 12:36:01,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540284258] [2024-11-13 12:36:01,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:36:01,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-11-13 12:36:01,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:36:01,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-11-13 12:36:01,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=964, Invalid=6868, Unknown=0, NotChecked=0, Total=7832 [2024-11-13 12:36:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:01,752 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:36:01,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 3.6853932584269664) internal successors, (328), 88 states have internal predecessors, (328), 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) [2024-11-13 12:36:01,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:36:01,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:36:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:36:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:36:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:36:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-13 12:36:05,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-13 12:36:05,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-13 12:36:05,360 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:36:05,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:36:05,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1343339554, now seen corresponding path program 19 times [2024-11-13 12:36:05,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:36:05,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652907172] [2024-11-13 12:36:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:36:05,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:36:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:36:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 169 proven. 459 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-13 12:36:06,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:36:06,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652907172] [2024-11-13 12:36:06,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652907172] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:36:06,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323561625] [2024-11-13 12:36:06,551 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 12:36:06,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:36:06,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:36:06,556 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:36:06,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-13 12:36:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:36:06,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 12:36:06,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:36:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 196 proven. 432 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-13 12:36:08,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:36:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 225 proven. 403 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-13 12:36:09,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323561625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:36:09,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:36:09,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 77 [2024-11-13 12:36:09,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367187968] [2024-11-13 12:36:09,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:36:09,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-11-13 12:36:09,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:36:09,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-11-13 12:36:09,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1412, Invalid=4594, Unknown=0, NotChecked=0, Total=6006 [2024-11-13 12:36:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:09,201 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:36:09,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 3.6025641025641026) internal successors, (281), 77 states have internal predecessors, (281), 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) [2024-11-13 12:36:09,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:36:09,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:36:09,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:36:09,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:36:09,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:36:09,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:36:09,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:36:09,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:36:09,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:36:09,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:36:09,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:36:09,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-11-13 12:36:09,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:10,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:10,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:10,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:36:10,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:36:10,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:36:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-13 12:36:10,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:10,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-13 12:36:10,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-13 12:36:10,493 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:36:10,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:36:10,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1479862462, now seen corresponding path program 20 times [2024-11-13 12:36:10,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:36:10,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993737123] [2024-11-13 12:36:10,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:36:10,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:36:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:36:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 72 proven. 1207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:36:40,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:36:40,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993737123] [2024-11-13 12:36:40,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993737123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:36:40,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947166117] [2024-11-13 12:36:40,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:36:40,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:36:40,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:36:40,325 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:36:40,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-13 12:36:40,659 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:36:40,660 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:36:40,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 233 conjuncts are in the unsatisfiable core [2024-11-13 12:36:40,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:36:42,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:37:01,596 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:37:01,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 157 treesize of output 37 [2024-11-13 12:37:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 1279 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:37:01,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:37:28,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 1054 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-13 12:37:28,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947166117] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:37:28,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:37:28,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 80, 66] total 225 [2024-11-13 12:37:28,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060913556] [2024-11-13 12:37:28,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:37:28,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 225 states [2024-11-13 12:37:28,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:37:28,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2024-11-13 12:37:28,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=49125, Unknown=0, NotChecked=0, Total=50400 [2024-11-13 12:37:28,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:37:28,783 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:37:28,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 225 states, 225 states have (on average 2.4266666666666667) internal successors, (546), 225 states have internal predecessors, (546), 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) [2024-11-13 12:37:28,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:37:28,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:28,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:37:28,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:37:28,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:37:28,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:37:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:37:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:37:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:37:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:37:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:37:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:37:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-11-13 12:37:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:37:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:38:39,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-13 12:38:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:38:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-11-13 12:38:39,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-13 12:38:39,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-13 12:38:39,965 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:38:39,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:38:39,966 INFO L85 PathProgramCache]: Analyzing trace with hash -65102730, now seen corresponding path program 21 times [2024-11-13 12:38:39,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:38:39,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189433512] [2024-11-13 12:38:39,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:38:39,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:38:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:38:41,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 751 proven. 225 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-13 12:38:41,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:38:41,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189433512] [2024-11-13 12:38:41,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189433512] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:38:41,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353188134] [2024-11-13 12:38:41,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:38:41,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:38:41,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:38:41,944 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:38:41,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-13 12:38:43,527 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-11-13 12:38:43,528 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:38:43,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 12:38:43,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:38:45,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 718 proven. 258 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-13 12:38:45,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:38:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 718 proven. 258 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-13 12:38:46,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353188134] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:38:46,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:38:46,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36, 36] total 89 [2024-11-13 12:38:46,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798765151] [2024-11-13 12:38:46,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:38:46,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-11-13 12:38:46,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:38:46,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-11-13 12:38:46,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1388, Invalid=6622, Unknown=0, NotChecked=0, Total=8010 [2024-11-13 12:38:46,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:38:46,802 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:38:46,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 3.466666666666667) internal successors, (312), 89 states have internal predecessors, (312), 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) [2024-11-13 12:38:46,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:38:46,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:38:46,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-11-13 12:38:46,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:38:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:38:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:38:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:38:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:38:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:38:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:38:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:38:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-11-13 12:38:48,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:38:48,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-13 12:38:48,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-13 12:38:48,380 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:38:48,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:38:48,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1687980090, now seen corresponding path program 22 times [2024-11-13 12:38:48,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:38:48,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929115203] [2024-11-13 12:38:48,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:38:48,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:38:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:38:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1615 backedges. 256 proven. 608 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2024-11-13 12:38:50,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:38:50,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929115203] [2024-11-13 12:38:50,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929115203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:38:50,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253490757] [2024-11-13 12:38:50,493 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 12:38:50,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:38:50,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:38:50,495 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:38:50,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-13 12:38:51,187 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 12:38:51,187 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:38:51,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 1375 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 12:38:51,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:38:53,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1615 backedges. 196 proven. 662 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2024-11-13 12:38:53,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:38:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1615 backedges. 289 proven. 569 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2024-11-13 12:38:54,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253490757] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:38:54,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:38:54,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34, 34] total 87 [2024-11-13 12:38:54,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047461694] [2024-11-13 12:38:54,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:38:54,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-11-13 12:38:54,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:38:54,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-11-13 12:38:54,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1624, Invalid=6032, Unknown=0, NotChecked=0, Total=7656 [2024-11-13 12:38:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:38:54,865 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:38:54,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 3.602272727272727) internal successors, (317), 87 states have internal predecessors, (317), 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) [2024-11-13 12:38:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:38:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:38:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:38:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:38:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:38:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:38:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:38:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:38:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:38:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:38:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:38:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:38:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:38:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:38:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:38:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:38:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:38:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:38:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:38:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:38:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-13 12:38:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:38:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-13 12:38:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:38:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-11-13 12:38:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:38:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:38:57,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-13 12:38:58,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:38:58,023 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-13 12:38:58,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:38:58,023 INFO L85 PathProgramCache]: Analyzing trace with hash 996619537, now seen corresponding path program 23 times [2024-11-13 12:38:58,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:38:58,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979376527] [2024-11-13 12:38:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:38:58,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:38:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:39:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 91 proven. 1767 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:39:48,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:39:48,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979376527] [2024-11-13 12:39:48,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979376527] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:39:48,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789351576] [2024-11-13 12:39:48,915 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 12:39:48,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:39:48,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:39:48,917 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:39:48,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff40ff44-f26a-41b0-91f8-2d46a6f5184c/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-13 12:39:52,871 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-11-13 12:39:52,871 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:39:52,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 1465 conjuncts, 239 conjuncts are in the unsatisfiable core [2024-11-13 12:39:52,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:39:55,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1