./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/triangular-longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/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_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/triangular-longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:25:35,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:25:35,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-13 12:25:35,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:25:35,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:25:35,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:25:35,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:25:35,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:25:35,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:25:35,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:25:35,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:25:35,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:25:35,832 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:25:35,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:25:35,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:25:35,832 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:25:35,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:25:35,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:25:35,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:25:35,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:25:35,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:25:35,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:25:35,834 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:25:35,834 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:25:35,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:25:35,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:25:35,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:25:35,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:25:35,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:25:35,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:25:35,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:25:35,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:25:35,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:25:35,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:25:35,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:25:35,836 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-13 12:25:35,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:25:35,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:25:35,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 12:25:35,837 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 12:25:35,837 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 12:25:35,838 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_690d3b58-baeb-4436-86aa-fe9f16b28fa0/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 ! call(reach_error())) ) 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 -> 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683 [2024-11-13 12:25:36,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:25:36,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:25:36,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:25:36,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:25:36,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:25:36,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/../../sv-benchmarks/c/pthread/triangular-longest-1.i Unable to find full path for "g++" [2024-11-13 12:25:38,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:25:38,471 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:25:38,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/sv-benchmarks/c/pthread/triangular-longest-1.i [2024-11-13 12:25:38,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/data/4956b88e5/08af9c9993f74a0dbbda4b572213ef0a/FLAGb93e77282 [2024-11-13 12:25:38,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/data/4956b88e5/08af9c9993f74a0dbbda4b572213ef0a [2024-11-13 12:25:38,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:25:38,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:25:38,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:25:38,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:25:38,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:25:38,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:25:38" (1/1) ... [2024-11-13 12:25:38,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0b1c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:38, skipping insertion in model container [2024-11-13 12:25:38,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:25:38" (1/1) ... [2024-11-13 12:25:38,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:25:39,062 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/sv-benchmarks/c/pthread/triangular-longest-1.i[30962,30975] [2024-11-13 12:25:39,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:25:39,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:25:39,154 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/sv-benchmarks/c/pthread/triangular-longest-1.i[30962,30975] [2024-11-13 12:25:39,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:25:39,185 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:25:39,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39 WrapperNode [2024-11-13 12:25:39,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:25:39,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:25:39,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:25:39,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:25:39,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (1/1) ... [2024-11-13 12:25:39,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (1/1) ... [2024-11-13 12:25:39,227 INFO L138 Inliner]: procedures = 168, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-13 12:25:39,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:25:39,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:25:39,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:25:39,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:25:39,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (1/1) ... [2024-11-13 12:25:39,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (1/1) ... [2024-11-13 12:25:39,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (1/1) ... [2024-11-13 12:25:39,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (1/1) ... [2024-11-13 12:25:39,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (1/1) ... [2024-11-13 12:25:39,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (1/1) ... [2024-11-13 12:25:39,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (1/1) ... [2024-11-13 12:25:39,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (1/1) ... [2024-11-13 12:25:39,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:25:39,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:25:39,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:25:39,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:25:39,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (1/1) ... [2024-11-13 12:25:39,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:25:39,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:39,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 12:25:39,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 12:25:39,344 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-13 12:25:39,345 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-13 12:25:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-13 12:25:39,345 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-13 12:25:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 12:25:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:25:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:25:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 12:25:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:25:39,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:25:39,348 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 12:25:39,513 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:25:39,516 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:25:39,713 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:25:39,714 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:25:39,847 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:25:39,849 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 12:25:39,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:25:39 BoogieIcfgContainer [2024-11-13 12:25:39,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:25:39,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:25:39,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:25:39,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:25:39,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:25:38" (1/3) ... [2024-11-13 12:25:39,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5798dcd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:25:39, skipping insertion in model container [2024-11-13 12:25:39,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:39" (2/3) ... [2024-11-13 12:25:39,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5798dcd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:25:39, skipping insertion in model container [2024-11-13 12:25:39,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:25:39" (3/3) ... [2024-11-13 12:25:39,862 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longest-1.i [2024-11-13 12:25:39,882 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:25:39,884 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG triangular-longest-1.i that has 3 procedures, 22 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 12:25:39,885 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:25:39,947 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 12:25:40,012 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:25:40,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 12:25:40,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:40,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-13 12:25:40,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-13 12:25:40,042 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:25:40,052 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-13 12:25:40,060 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=LoopHeads, 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;@7b3e0cd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:25:40,060 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-13 12:25:40,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-13 12:25:40,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:40,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1361369883, now seen corresponding path program 1 times [2024-11-13 12:25:40,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:40,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319208061] [2024-11-13 12:25:40,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:40,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:40,875 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 12:25:40,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:40,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319208061] [2024-11-13 12:25:40,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319208061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:25:40,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:25:40,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:25:40,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347311929] [2024-11-13 12:25:40,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:25:40,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:25:40,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:40,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:25:40,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:25:40,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:40,909 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:40,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:25:40,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:41,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:41,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:25:41,240 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-13 12:25:41,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:41,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1001601664, now seen corresponding path program 1 times [2024-11-13 12:25:41,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:41,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324150204] [2024-11-13 12:25:41,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:41,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:41,612 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 12:25:41,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:41,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324150204] [2024-11-13 12:25:41,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324150204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:25:41,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:25:41,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 12:25:41,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538398198] [2024-11-13 12:25:41,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:25:41,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 12:25:41,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:41,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 12:25:41,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:25:41,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:41,619 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:41,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:25:41,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:41,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:41,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:41,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:41,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:25:41,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-13 12:25:41,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:41,929 INFO L85 PathProgramCache]: Analyzing trace with hash 762070491, now seen corresponding path program 2 times [2024-11-13 12:25:41,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:41,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474706466] [2024-11-13 12:25:41,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:41,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:42,313 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 12:25:42,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:42,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474706466] [2024-11-13 12:25:42,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474706466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:25:42,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469806798] [2024-11-13 12:25:42,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:25:42,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:42,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:42,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:25:42,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:25:42,420 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:25:42,420 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:25:42,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 12:25:42,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:25:42,574 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 12:25:42,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:25:42,865 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 12:25:42,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469806798] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:25:42,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:25:42,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-13 12:25:42,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782444044] [2024-11-13 12:25:42,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:25:42,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 12:25:42,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:42,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 12:25:42,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-13 12:25:42,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:42,871 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:42,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 15 states have internal predecessors, (52), 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 12:25:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:43,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:43,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:43,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:25:43,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 12:25:43,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:43,681 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-13 12:25:43,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:43,681 INFO L85 PathProgramCache]: Analyzing trace with hash 956687724, now seen corresponding path program 3 times [2024-11-13 12:25:43,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:43,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202685319] [2024-11-13 12:25:43,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:43,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:25:44,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:44,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202685319] [2024-11-13 12:25:44,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202685319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:25:44,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551778720] [2024-11-13 12:25:44,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:25:44,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:44,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:44,240 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:25:44,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:25:44,324 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-13 12:25:44,325 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:25:44,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 12:25:44,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:25:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:25:44,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:25:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:25:45,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551778720] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:25:45,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:25:45,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 27 [2024-11-13 12:25:45,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483050126] [2024-11-13 12:25:45,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:25:45,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 12:25:45,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:45,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 12:25:45,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2024-11-13 12:25:45,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:45,126 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:45,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.142857142857143) internal successors, (88), 27 states have internal predecessors, (88), 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 12:25:45,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:45,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:45,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:25:45,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:46,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:25:46,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 12:25:46,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 12:25:46,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:46,504 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-13 12:25:46,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:46,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1843655218, now seen corresponding path program 4 times [2024-11-13 12:25:46,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:46,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093374002] [2024-11-13 12:25:46,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:46,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:25:47,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:47,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093374002] [2024-11-13 12:25:47,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093374002] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:25:47,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000883023] [2024-11-13 12:25:47,444 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 12:25:47,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:47,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:47,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:25:47,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:25:47,556 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 12:25:47,556 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:25:47,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 12:25:47,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:25:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:25:47,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:25:49,013 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:25:49,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000883023] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:25:49,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:25:49,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 46 [2024-11-13 12:25:49,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367149876] [2024-11-13 12:25:49,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:25:49,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-13 12:25:49,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:49,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-13 12:25:49,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=494, Invalid=1668, Unknown=0, NotChecked=0, Total=2162 [2024-11-13 12:25:49,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:49,018 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:49,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.1702127659574466) internal successors, (149), 46 states have internal predecessors, (149), 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 12:25:49,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:49,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:49,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:25:49,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-13 12:25:49,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:51,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:25:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 12:25:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-13 12:25:51,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 12:25:51,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:51,655 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-13 12:25:51,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:51,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1939456740, now seen corresponding path program 5 times [2024-11-13 12:25:51,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:51,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420028533] [2024-11-13 12:25:51,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:51,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 1202 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:25:52,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:52,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420028533] [2024-11-13 12:25:52,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420028533] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:25:52,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414166244] [2024-11-13 12:25:52,406 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 12:25:52,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:52,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:52,408 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:25:52,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:25:52,526 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-11-13 12:25:52,526 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:25:52,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 12:25:52,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:25:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 1260 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:25:52,758 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:25:52,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414166244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:25:52,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:25:52,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-11-13 12:25:52,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69743491] [2024-11-13 12:25:52,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:25:52,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 12:25:52,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:52,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 12:25:52,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-11-13 12:25:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:52,762 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:52,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.956521739130435) internal successors, (137), 23 states have internal predecessors, (137), 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 12:25:52,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:52,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:52,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:25:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-13 12:25:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-13 12:25:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:25:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:25:56,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-13 12:25:56,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 12:25:56,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 12:25:56,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:56,715 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-13 12:25:56,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:56,716 INFO L85 PathProgramCache]: Analyzing trace with hash -2029488404, now seen corresponding path program 6 times [2024-11-13 12:25:56,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:56,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398936591] [2024-11-13 12:25:56,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:56,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:56,837 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 12:25:56,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:56,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398936591] [2024-11-13 12:25:56,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398936591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:25:56,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12467195] [2024-11-13 12:25:56,838 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 12:25:56,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:56,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:56,840 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:25:56,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 12:25:56,900 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-13 12:25:56,901 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:25:56,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 12:25:56,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:25:56,971 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 12:25:56,972 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:25:57,054 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 12:25:57,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12467195] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:25:57,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:25:57,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-13 12:25:57,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069303251] [2024-11-13 12:25:57,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:25:57,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 12:25:57,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:57,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 12:25:57,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-13 12:25:57,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:57,056 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:57,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 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 12:25:57,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:57,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:57,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:25:57,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:25:57,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-11-13 12:25:57,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-13 12:25:57,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:25:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:25:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-13 12:25:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 12:25:58,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:25:58,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 12:25:58,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 12:25:58,651 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-13 12:25:58,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:58,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1940584763, now seen corresponding path program 7 times [2024-11-13 12:25:58,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:58,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968855463] [2024-11-13 12:25:58,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:58,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:25:58,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:58,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968855463] [2024-11-13 12:25:58,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968855463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:25:58,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536945165] [2024-11-13 12:25:58,908 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 12:25:58,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:58,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:58,910 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:25:58,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 12:25:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:58,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 12:25:58,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:25:59,105 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:25:59,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:25:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:25:59,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536945165] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:25:59,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:25:59,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-13 12:25:59,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124194035] [2024-11-13 12:25:59,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:25:59,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 12:25:59,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:59,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 12:25:59,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2024-11-13 12:25:59,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:59,366 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:59,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 25 states have internal predecessors, (74), 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 12:25:59,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:25:59,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:25:59,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:25:59,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:25:59,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-11-13 12:25:59,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-13 12:25:59,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:25:59,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:02,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:26:02,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:26:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:26:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:26:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-13 12:26:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 12:26:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:26:02,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:26:02,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 12:26:02,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-13 12:26:02,425 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-13 12:26:02,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:02,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1188621465, now seen corresponding path program 8 times [2024-11-13 12:26:02,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:02,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604508793] [2024-11-13 12:26:02,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:02,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:03,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:03,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604508793] [2024-11-13 12:26:03,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604508793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:26:03,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188696318] [2024-11-13 12:26:03,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:26:03,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:03,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:26:03,159 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:26:03,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 12:26:03,299 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:26:03,300 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:26:03,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 12:26:03,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:26:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:03,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:26:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:04,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188696318] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:26:04,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:26:04,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2024-11-13 12:26:04,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820386525] [2024-11-13 12:26:04,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:26:04,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-13 12:26:04,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:04,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-13 12:26:04,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=1886, Unknown=0, NotChecked=0, Total=2450 [2024-11-13 12:26:04,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:04,253 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:04,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.92) internal successors, (146), 49 states have internal predecessors, (146), 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 12:26:04,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:26:04,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:26:04,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:26:04,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:26:04,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-11-13 12:26:04,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-13 12:26:04,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:26:04,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:26:04,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:12,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:26:12,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:26:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:26:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:26:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-13 12:26:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 12:26:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:26:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:26:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-13 12:26:12,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-13 12:26:12,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-13 12:26:12,306 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-13 12:26:12,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:12,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1650823908, now seen corresponding path program 9 times [2024-11-13 12:26:12,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:12,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904750066] [2024-11-13 12:26:12,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:12,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 1102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:13,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:13,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904750066] [2024-11-13 12:26:13,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904750066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:26:13,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780319544] [2024-11-13 12:26:13,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:26:13,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:13,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:26:13,692 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:26:13,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 12:26:13,785 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-11-13 12:26:13,785 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:26:13,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 12:26:13,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:26:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 1102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:14,047 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:26:15,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 1102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:15,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780319544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:26:15,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:26:15,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44, 44] total 86 [2024-11-13 12:26:15,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083223157] [2024-11-13 12:26:15,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:26:15,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-11-13 12:26:15,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:15,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-11-13 12:26:15,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1740, Invalid=5742, Unknown=0, NotChecked=0, Total=7482 [2024-11-13 12:26:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:15,254 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:15,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 2.954022988505747) internal successors, (257), 86 states have internal predecessors, (257), 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 12:26:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:26:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:26:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:26:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:26:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-11-13 12:26:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-13 12:26:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:26:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:26:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-11-13 12:26:15,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:23,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:26:23,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:26:23,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:26:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:26:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-13 12:26:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 12:26:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:26:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:26:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-13 12:26:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-11-13 12:26:23,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-13 12:26:23,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-13 12:26:23,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-13 12:26:23,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 12:26:23,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 12:26:23,831 INFO L407 BasicCegarLoop]: Path program histogram: [9, 1] [2024-11-13 12:26:23,833 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 12:26:23,833 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:26:23,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-13 12:26:23,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:26:23 BasicIcfg [2024-11-13 12:26:23,851 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:26:23,851 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:26:23,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:26:23,852 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:26:23,852 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:25:39" (3/4) ... [2024-11-13 12:26:23,854 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 12:26:23,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2024-11-13 12:26:23,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2024-11-13 12:26:23,861 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-13 12:26:23,861 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 12:26:23,861 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 12:26:23,861 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 12:26:23,946 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/witness.graphml [2024-11-13 12:26:23,946 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/witness.yml [2024-11-13 12:26:23,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:26:23,949 INFO L158 Benchmark]: Toolchain (without parser) took 45425.17ms. Allocated memory was 117.4MB in the beginning and 738.2MB in the end (delta: 620.8MB). Free memory was 91.2MB in the beginning and 430.1MB in the end (delta: -338.8MB). Peak memory consumption was 282.9MB. Max. memory is 16.1GB. [2024-11-13 12:26:23,949 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:26:23,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.10ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 71.7MB in the end (delta: 19.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:26:23,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.73ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 70.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:26:23,951 INFO L158 Benchmark]: Boogie Preprocessor took 35.99ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 69.1MB in the end (delta: 808.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:26:23,951 INFO L158 Benchmark]: RCFGBuilder took 584.64ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 52.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:26:23,953 INFO L158 Benchmark]: TraceAbstraction took 43998.36ms. Allocated memory was 117.4MB in the beginning and 738.2MB in the end (delta: 620.8MB). Free memory was 52.0MB in the beginning and 436.5MB in the end (delta: -384.5MB). Peak memory consumption was 241.0MB. Max. memory is 16.1GB. [2024-11-13 12:26:23,953 INFO L158 Benchmark]: Witness Printer took 95.19ms. Allocated memory is still 738.2MB. Free memory was 436.5MB in the beginning and 430.1MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:26:23,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.10ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 71.7MB in the end (delta: 19.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.73ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 70.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.99ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 69.1MB in the end (delta: 808.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.64ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 52.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 43998.36ms. Allocated memory was 117.4MB in the beginning and 738.2MB in the end (delta: 620.8MB). Free memory was 52.0MB in the beginning and 436.5MB in the end (delta: -384.5MB). Peak memory consumption was 241.0MB. Max. memory is 16.1GB. * Witness Printer took 95.19ms. Allocated memory is still 738.2MB. Free memory was 436.5MB in the beginning and 430.1MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 447503, independent: 370156, independent conditional: 369904, independent unconditional: 252, dependent: 77347, dependent conditional: 77340, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 381015, independent: 370156, independent conditional: 369904, independent unconditional: 252, dependent: 10859, dependent conditional: 10852, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 381015, independent: 370156, independent conditional: 369904, independent unconditional: 252, dependent: 10859, dependent conditional: 10852, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 464255, independent: 370156, independent conditional: 369904, independent unconditional: 252, dependent: 94099, dependent conditional: 94092, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 464255, independent: 370156, independent conditional: 27683, independent unconditional: 342473, dependent: 94099, dependent conditional: 40095, dependent unconditional: 54004, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 464255, independent: 370156, independent conditional: 27683, independent unconditional: 342473, dependent: 94099, dependent conditional: 40095, dependent unconditional: 54004, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1063, independent: 478, independent conditional: 254, independent unconditional: 224, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1063, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 840, dependent conditional: 0, dependent unconditional: 840, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 840, independent: 255, independent conditional: 254, independent unconditional: 1, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 840, independent: 255, independent conditional: 254, independent unconditional: 1, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11969, independent: 6269, independent conditional: 6132, independent unconditional: 136, dependent: 5701, dependent conditional: 5377, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 464255, independent: 369678, independent conditional: 27429, independent unconditional: 342249, dependent: 93514, dependent conditional: 39517, dependent unconditional: 53997, unknown: 1063, unknown conditional: 832, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 1063, Positive cache size: 478, Positive conditional cache size: 254, Positive unconditional cache size: 224, Negative cache size: 585, Negative conditional cache size: 578, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 396218, Maximal queried relation: 10, Independence queries for same thread: 66488, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 79, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 259, independent: 252, independent conditional: 0, independent unconditional: 252, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 447503, independent: 370156, independent conditional: 369904, independent unconditional: 252, dependent: 77347, dependent conditional: 77340, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 381015, independent: 370156, independent conditional: 369904, independent unconditional: 252, dependent: 10859, dependent conditional: 10852, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 381015, independent: 370156, independent conditional: 369904, independent unconditional: 252, dependent: 10859, dependent conditional: 10852, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 464255, independent: 370156, independent conditional: 369904, independent unconditional: 252, dependent: 94099, dependent conditional: 94092, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 464255, independent: 370156, independent conditional: 27683, independent unconditional: 342473, dependent: 94099, dependent conditional: 40095, dependent unconditional: 54004, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 464255, independent: 370156, independent conditional: 27683, independent unconditional: 342473, dependent: 94099, dependent conditional: 40095, dependent unconditional: 54004, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1063, independent: 478, independent conditional: 254, independent unconditional: 224, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1063, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 840, dependent conditional: 0, dependent unconditional: 840, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 840, independent: 255, independent conditional: 254, independent unconditional: 1, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 840, independent: 255, independent conditional: 254, independent unconditional: 1, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11969, independent: 6269, independent conditional: 6132, independent unconditional: 136, dependent: 5701, dependent conditional: 5377, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 464255, independent: 369678, independent conditional: 27429, independent unconditional: 342249, dependent: 93514, dependent conditional: 39517, dependent unconditional: 53997, unknown: 1063, unknown conditional: 832, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 1063, Positive cache size: 478, Positive conditional cache size: 254, Positive unconditional cache size: 224, Negative cache size: 585, Negative conditional cache size: 578, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 396218, Maximal queried relation: 10, Independence queries for same thread: 66488 - PositiveResult [Line: 722]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 43.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 29.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 349, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 1100 NumberOfCodeBlocks, 1100 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 1474 ConstructedInterpolants, 0 QuantifiedInterpolants, 6204 SizeOfPredicates, 119 NumberOfNonLiveVariables, 1369 ConjunctsInSsa, 176 ConjunctsInUnsatCore, 25 InterpolantComputations, 3 PerfectInterpolantSequences, 2462/8022 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 12:26:23,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690d3b58-baeb-4436-86aa-fe9f16b28fa0/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE