./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label02.c --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_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 540d5c4f35934e1abeb0886e7556fb35e244ff515a3f2091d43a3a4e43fb5fb5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:41:45,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:41:45,177 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:41:45,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:41:45,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:41:45,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:41:45,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:41:45,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:41:45,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:41:45,206 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:41:45,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:41:45,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:41:45,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:41:45,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:41:45,206 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:41:45,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:41:45,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:41:45,207 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:41:45,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:41:45,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:41:45,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:41:45,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:41:45,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:41:45,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:41:45,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:41:45,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:41:45,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:41:45,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:41:45,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:41:45,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:41:45,208 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:41:45,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:41:45,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:41:45,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:41:45,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:41:45,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:41:45,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:41:45,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:41:45,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:41:45,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:41:45,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:41:45,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:41:45,210 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 -> 540d5c4f35934e1abeb0886e7556fb35e244ff515a3f2091d43a3a4e43fb5fb5 [2024-11-13 13:41:45,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:41:45,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:41:45,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:41:45,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:41:45,574 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:41:45,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/eca-rers2012/Problem16_label02.c Unable to find full path for "g++" [2024-11-13 13:41:47,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:41:48,050 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:41:48,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/sv-benchmarks/c/eca-rers2012/Problem16_label02.c [2024-11-13 13:41:48,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/data/8ef01e643/9d25a4490dfc40fe90916cead7b4b658/FLAGc27a53725 [2024-11-13 13:41:48,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/data/8ef01e643/9d25a4490dfc40fe90916cead7b4b658 [2024-11-13 13:41:48,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:41:48,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:41:48,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:41:48,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:41:48,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:41:48,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:41:48" (1/1) ... [2024-11-13 13:41:48,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3d6e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:48, skipping insertion in model container [2024-11-13 13:41:48,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:41:48" (1/1) ... [2024-11-13 13:41:48,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:41:48,502 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_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/sv-benchmarks/c/eca-rers2012/Problem16_label02.c[6387,6400] [2024-11-13 13:41:49,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:41:49,026 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:41:49,049 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_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/sv-benchmarks/c/eca-rers2012/Problem16_label02.c[6387,6400] [2024-11-13 13:41:49,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:41:49,288 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:41:49,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49 WrapperNode [2024-11-13 13:41:49,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:41:49,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:41:49,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:41:49,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:41:49,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,480 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769 [2024-11-13 13:41:49,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:41:49,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:41:49,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:41:49,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:41:49,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,519 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,653 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:41:49,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:41:49,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:41:49,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:41:49,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:41:49,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (1/1) ... [2024-11-13 13:41:49,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:41:49,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:49,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:41:49,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:41:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:41:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:41:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:41:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:41:49,939 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:41:49,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:41:52,844 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-11-13 13:41:52,844 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:41:52,863 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:41:52,863 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:41:52,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:52 BoogieIcfgContainer [2024-11-13 13:41:52,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:41:52,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:41:52,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:41:52,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:41:52,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:41:48" (1/3) ... [2024-11-13 13:41:52,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526994ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:41:52, skipping insertion in model container [2024-11-13 13:41:52,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:49" (2/3) ... [2024-11-13 13:41:52,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526994ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:41:52, skipping insertion in model container [2024-11-13 13:41:52,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:52" (3/3) ... [2024-11-13 13:41:52,873 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label02.c [2024-11-13 13:41:52,889 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:41:52,891 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem16_label02.c that has 1 procedures, 396 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:41:52,955 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:41:52,967 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=PETRI_NET, 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;@b6d483a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:41:52,967 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:41:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 13:41:52,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 13:41:52,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:52,982 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:52,982 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:41:52,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:52,987 INFO L85 PathProgramCache]: Analyzing trace with hash 526413864, now seen corresponding path program 1 times [2024-11-13 13:41:52,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:52,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624164850] [2024-11-13 13:41:52,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:52,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:53,472 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 13:41:53,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:53,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624164850] [2024-11-13 13:41:53,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624164850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:41:53,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:41:53,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:41:53,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852050884] [2024-11-13 13:41:53,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:41:53,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:41:53,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:53,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:41:53,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:41:53,506 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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) Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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 13:41:55,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:55,963 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2024-11-13 13:41:55,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:41:55,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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) Word has length 61 [2024-11-13 13:41:55,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:55,991 INFO L225 Difference]: With dead ends: 1137 [2024-11-13 13:41:55,991 INFO L226 Difference]: Without dead ends: 662 [2024-11-13 13:41:55,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:41:56,001 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 323 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:56,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 114 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 13:41:56,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-13 13:41:56,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2024-11-13 13:41:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 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 13:41:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2024-11-13 13:41:56,069 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 61 [2024-11-13 13:41:56,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:56,070 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2024-11-13 13:41:56,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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 13:41:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2024-11-13 13:41:56,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-13 13:41:56,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:56,074 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:56,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:41:56,075 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:41:56,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:56,076 INFO L85 PathProgramCache]: Analyzing trace with hash -477239704, now seen corresponding path program 1 times [2024-11-13 13:41:56,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:56,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965837153] [2024-11-13 13:41:56,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:56,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:56,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:56,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965837153] [2024-11-13 13:41:56,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965837153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:41:56,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:41:56,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:41:56,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141543911] [2024-11-13 13:41:56,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:41:56,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:41:56,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:56,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:41:56,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:41:56,403 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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 13:41:58,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:58,079 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2024-11-13 13:41:58,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:41:58,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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) Word has length 127 [2024-11-13 13:41:58,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:58,086 INFO L225 Difference]: With dead ends: 1980 [2024-11-13 13:41:58,087 INFO L226 Difference]: Without dead ends: 1320 [2024-11-13 13:41:58,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:41:58,093 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 343 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:58,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 77 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:41:58,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2024-11-13 13:41:58,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2024-11-13 13:41:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 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 13:41:58,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2024-11-13 13:41:58,172 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 127 [2024-11-13 13:41:58,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:58,172 INFO L471 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2024-11-13 13:41:58,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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 13:41:58,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2024-11-13 13:41:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-13 13:41:58,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:58,182 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:58,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:41:58,182 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:41:58,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:58,183 INFO L85 PathProgramCache]: Analyzing trace with hash -464871991, now seen corresponding path program 1 times [2024-11-13 13:41:58,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:58,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814269730] [2024-11-13 13:41:58,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:58,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:58,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:58,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814269730] [2024-11-13 13:41:58,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814269730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:41:58,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:41:58,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:41:58,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489365432] [2024-11-13 13:41:58,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:41:58,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:41:58,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:58,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:41:58,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:41:58,479 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 13:42:00,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:00,156 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2024-11-13 13:42:00,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:42:00,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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) Word has length 128 [2024-11-13 13:42:00,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:00,165 INFO L225 Difference]: With dead ends: 3296 [2024-11-13 13:42:00,165 INFO L226 Difference]: Without dead ends: 1978 [2024-11-13 13:42:00,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:42:00,168 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 381 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:00,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 155 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:42:00,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2024-11-13 13:42:00,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2024-11-13 13:42:00,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.3323216995447649) internal successors, (2634), 1977 states have internal predecessors, (2634), 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 13:42:00,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2024-11-13 13:42:00,236 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 128 [2024-11-13 13:42:00,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:00,236 INFO L471 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2024-11-13 13:42:00,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 13:42:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2024-11-13 13:42:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-13 13:42:00,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:00,241 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:00,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:42:00,241 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:00,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:00,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1460147375, now seen corresponding path program 1 times [2024-11-13 13:42:00,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:00,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446259662] [2024-11-13 13:42:00,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:00,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:42:00,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:00,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446259662] [2024-11-13 13:42:00,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446259662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:42:00,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:42:00,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:42:00,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995735717] [2024-11-13 13:42:00,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:42:00,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:42:00,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:00,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:42:00,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:42:00,649 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:42:02,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:02,440 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2024-11-13 13:42:02,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:42:02,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 220 [2024-11-13 13:42:02,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:02,453 INFO L225 Difference]: With dead ends: 5928 [2024-11-13 13:42:02,453 INFO L226 Difference]: Without dead ends: 3952 [2024-11-13 13:42:02,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:42:02,457 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 183 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:02,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 257 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 13:42:02,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2024-11-13 13:42:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2024-11-13 13:42:02,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.2171602126044039) internal successors, (4809), 3951 states have internal predecessors, (4809), 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 13:42:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4809 transitions. [2024-11-13 13:42:02,563 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4809 transitions. Word has length 220 [2024-11-13 13:42:02,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:02,565 INFO L471 AbstractCegarLoop]: Abstraction has 3952 states and 4809 transitions. [2024-11-13 13:42:02,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:42:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4809 transitions. [2024-11-13 13:42:02,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-13 13:42:02,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:02,573 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:02,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:42:02,574 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:02,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:02,575 INFO L85 PathProgramCache]: Analyzing trace with hash 757266305, now seen corresponding path program 1 times [2024-11-13 13:42:02,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:02,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116318173] [2024-11-13 13:42:02,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:02,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:42:03,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:03,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116318173] [2024-11-13 13:42:03,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116318173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:42:03,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611639535] [2024-11-13 13:42:03,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:03,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:42:03,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:42:03,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:42:03,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:42:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:03,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:42:03,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:42:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 13:42:03,954 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:42:03,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611639535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:42:03,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:42:03,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2024-11-13 13:42:03,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544122231] [2024-11-13 13:42:03,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:42:03,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:42:03,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:03,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:42:03,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:42:03,956 INFO L87 Difference]: Start difference. First operand 3952 states and 4809 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 2 states have internal predecessors, (247), 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 13:42:05,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:05,476 INFO L93 Difference]: Finished difference Result 5270 states and 6254 transitions. [2024-11-13 13:42:05,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:42:05,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 2 states have internal predecessors, (247), 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) Word has length 304 [2024-11-13 13:42:05,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:05,489 INFO L225 Difference]: With dead ends: 5270 [2024-11-13 13:42:05,489 INFO L226 Difference]: Without dead ends: 5268 [2024-11-13 13:42:05,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:42:05,492 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 109 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:05,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 158 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:42:05,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2024-11-13 13:42:05,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 4610. [2024-11-13 13:42:05,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4610 states, 4609 states have (on average 1.2013451941852897) internal successors, (5537), 4609 states have internal predecessors, (5537), 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 13:42:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 5537 transitions. [2024-11-13 13:42:05,588 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 5537 transitions. Word has length 304 [2024-11-13 13:42:05,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:05,589 INFO L471 AbstractCegarLoop]: Abstraction has 4610 states and 5537 transitions. [2024-11-13 13:42:05,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 2 states have internal predecessors, (247), 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 13:42:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 5537 transitions. [2024-11-13 13:42:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-11-13 13:42:05,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:05,598 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:05,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:42:05,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:42:05,803 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:05,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:05,804 INFO L85 PathProgramCache]: Analyzing trace with hash 110657807, now seen corresponding path program 1 times [2024-11-13 13:42:05,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:05,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902019103] [2024-11-13 13:42:05,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:05,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:06,895 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-11-13 13:42:06,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:06,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902019103] [2024-11-13 13:42:06,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902019103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:42:06,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:42:06,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:42:06,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829474957] [2024-11-13 13:42:06,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:42:06,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:42:06,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:06,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:42:06,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:42:06,902 INFO L87 Difference]: Start difference. First operand 4610 states and 5537 transitions. Second operand has 4 states, 4 states have (on average 88.75) internal successors, (355), 3 states have internal predecessors, (355), 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 13:42:08,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:08,757 INFO L93 Difference]: Finished difference Result 9547 states and 11413 transitions. [2024-11-13 13:42:08,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:42:08,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 3 states have internal predecessors, (355), 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) Word has length 413 [2024-11-13 13:42:08,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:08,775 INFO L225 Difference]: With dead ends: 9547 [2024-11-13 13:42:08,775 INFO L226 Difference]: Without dead ends: 4939 [2024-11-13 13:42:08,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:42:08,780 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 127 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:08,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 322 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 13:42:08,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2024-11-13 13:42:08,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4939. [2024-11-13 13:42:08,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4939 states, 4938 states have (on average 1.1891454029971649) internal successors, (5872), 4938 states have internal predecessors, (5872), 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 13:42:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 5872 transitions. [2024-11-13 13:42:08,876 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 5872 transitions. Word has length 413 [2024-11-13 13:42:08,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:08,876 INFO L471 AbstractCegarLoop]: Abstraction has 4939 states and 5872 transitions. [2024-11-13 13:42:08,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 3 states have internal predecessors, (355), 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 13:42:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 5872 transitions. [2024-11-13 13:42:08,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-11-13 13:42:08,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:08,887 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:08,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:42:08,888 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:08,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:08,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1892581244, now seen corresponding path program 1 times [2024-11-13 13:42:08,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:08,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86465946] [2024-11-13 13:42:08,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:08,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-13 13:42:10,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:10,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86465946] [2024-11-13 13:42:10,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86465946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:42:10,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898330616] [2024-11-13 13:42:10,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:10,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:42:10,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:42:10,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:42:10,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:42:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:10,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:42:10,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:42:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-13 13:42:11,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:42:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-13 13:42:17,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898330616] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:42:17,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:42:17,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-13 13:42:17,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693088989] [2024-11-13 13:42:17,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:42:17,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:42:17,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:17,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:42:17,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:42:17,816 INFO L87 Difference]: Start difference. First operand 4939 states and 5872 transitions. Second operand has 8 states, 8 states have (on average 111.5) internal successors, (892), 7 states have internal predecessors, (892), 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 13:42:24,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:24,865 INFO L93 Difference]: Finished difference Result 16785 states and 20176 transitions. [2024-11-13 13:42:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:42:24,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 111.5) internal successors, (892), 7 states have internal predecessors, (892), 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) Word has length 475 [2024-11-13 13:42:24,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:24,907 INFO L225 Difference]: With dead ends: 16785 [2024-11-13 13:42:24,907 INFO L226 Difference]: Without dead ends: 12177 [2024-11-13 13:42:24,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 954 GetRequests, 945 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:42:24,912 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1270 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 4183 mSolverCounterSat, 1582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1270 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 5765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1582 IncrementalHoareTripleChecker+Valid, 4183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:24,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1270 Valid, 42 Invalid, 5765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1582 Valid, 4183 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-11-13 13:42:24,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2024-11-13 13:42:25,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 10861. [2024-11-13 13:42:25,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.1918968692449357) internal successors, (12944), 10860 states have internal predecessors, (12944), 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 13:42:25,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 12944 transitions. [2024-11-13 13:42:25,118 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 12944 transitions. Word has length 475 [2024-11-13 13:42:25,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:25,119 INFO L471 AbstractCegarLoop]: Abstraction has 10861 states and 12944 transitions. [2024-11-13 13:42:25,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 111.5) internal successors, (892), 7 states have internal predecessors, (892), 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 13:42:25,124 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 12944 transitions. [2024-11-13 13:42:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2024-11-13 13:42:25,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:25,145 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:25,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:42:25,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 13:42:25,349 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:25,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:25,350 INFO L85 PathProgramCache]: Analyzing trace with hash 727640139, now seen corresponding path program 1 times [2024-11-13 13:42:25,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:25,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121852026] [2024-11-13 13:42:25,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:25,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-11-13 13:42:25,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:25,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121852026] [2024-11-13 13:42:25,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121852026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:42:25,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:42:25,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:42:25,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973748523] [2024-11-13 13:42:25,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:42:25,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:42:25,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:25,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:42:25,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:42:25,813 INFO L87 Difference]: Start difference. First operand 10861 states and 12944 transitions. Second operand has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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 13:42:27,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:27,479 INFO L93 Difference]: Finished difference Result 25010 states and 30301 transitions. [2024-11-13 13:42:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:42:27,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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) Word has length 562 [2024-11-13 13:42:27,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:27,509 INFO L225 Difference]: With dead ends: 25010 [2024-11-13 13:42:27,509 INFO L226 Difference]: Without dead ends: 14809 [2024-11-13 13:42:27,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:42:27,518 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 183 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:27,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 245 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:42:27,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2024-11-13 13:42:27,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14809. [2024-11-13 13:42:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.1782144786601836) internal successors, (17447), 14808 states have internal predecessors, (17447), 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 13:42:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 17447 transitions. [2024-11-13 13:42:27,714 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 17447 transitions. Word has length 562 [2024-11-13 13:42:27,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:27,716 INFO L471 AbstractCegarLoop]: Abstraction has 14809 states and 17447 transitions. [2024-11-13 13:42:27,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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 13:42:27,718 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 17447 transitions. [2024-11-13 13:42:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2024-11-13 13:42:27,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:27,728 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:27,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:42:27,730 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:27,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:27,730 INFO L85 PathProgramCache]: Analyzing trace with hash -920674974, now seen corresponding path program 1 times [2024-11-13 13:42:27,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:27,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834537553] [2024-11-13 13:42:27,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:27,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-11-13 13:42:28,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:28,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834537553] [2024-11-13 13:42:28,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834537553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:42:28,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:42:28,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:42:28,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463984098] [2024-11-13 13:42:28,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:42:28,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:42:28,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:28,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:42:28,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:42:28,519 INFO L87 Difference]: Start difference. First operand 14809 states and 17447 transitions. Second operand has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 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 13:42:30,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:30,448 INFO L93 Difference]: Finished difference Result 28363 states and 33579 transitions. [2024-11-13 13:42:30,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:42:30,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 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) Word has length 566 [2024-11-13 13:42:30,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:30,469 INFO L225 Difference]: With dead ends: 28363 [2024-11-13 13:42:30,469 INFO L226 Difference]: Without dead ends: 13906 [2024-11-13 13:42:30,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:42:30,480 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 292 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 2177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:30,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 287 Invalid, 2177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1986 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 13:42:30,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13906 states. [2024-11-13 13:42:30,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13906 to 12566. [2024-11-13 13:42:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12566 states, 12565 states have (on average 1.0826104257859133) internal successors, (13603), 12565 states have internal predecessors, (13603), 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 13:42:30,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12566 states to 12566 states and 13603 transitions. [2024-11-13 13:42:30,690 INFO L78 Accepts]: Start accepts. Automaton has 12566 states and 13603 transitions. Word has length 566 [2024-11-13 13:42:30,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:30,690 INFO L471 AbstractCegarLoop]: Abstraction has 12566 states and 13603 transitions. [2024-11-13 13:42:30,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 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 13:42:30,691 INFO L276 IsEmpty]: Start isEmpty. Operand 12566 states and 13603 transitions. [2024-11-13 13:42:30,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-11-13 13:42:30,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:30,701 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:30,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:42:30,701 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:30,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:30,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1525625974, now seen corresponding path program 1 times [2024-11-13 13:42:30,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:30,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721469674] [2024-11-13 13:42:30,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:30,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 739 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-13 13:42:31,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:31,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721469674] [2024-11-13 13:42:31,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721469674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:42:31,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:42:31,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:42:31,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775737109] [2024-11-13 13:42:31,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:42:31,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:42:31,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:31,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:42:31,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:42:31,168 INFO L87 Difference]: Start difference. First operand 12566 states and 13603 transitions. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 13:42:32,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:32,342 INFO L93 Difference]: Finished difference Result 27762 states and 30174 transitions. [2024-11-13 13:42:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:42:32,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) Word has length 666 [2024-11-13 13:42:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:32,367 INFO L225 Difference]: With dead ends: 27762 [2024-11-13 13:42:32,368 INFO L226 Difference]: Without dead ends: 15856 [2024-11-13 13:42:32,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:42:32,379 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 194 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:32,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 41 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:42:32,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15856 states. [2024-11-13 13:42:32,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15856 to 15198. [2024-11-13 13:42:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15198 states, 15197 states have (on average 1.08475356978351) internal successors, (16485), 15197 states have internal predecessors, (16485), 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 13:42:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15198 states to 15198 states and 16485 transitions. [2024-11-13 13:42:32,580 INFO L78 Accepts]: Start accepts. Automaton has 15198 states and 16485 transitions. Word has length 666 [2024-11-13 13:42:32,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:32,582 INFO L471 AbstractCegarLoop]: Abstraction has 15198 states and 16485 transitions. [2024-11-13 13:42:32,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 13:42:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 15198 states and 16485 transitions. [2024-11-13 13:42:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2024-11-13 13:42:32,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:32,593 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:32,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:42:32,594 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:32,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:32,596 INFO L85 PathProgramCache]: Analyzing trace with hash 554759665, now seen corresponding path program 1 times [2024-11-13 13:42:32,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:32,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422623141] [2024-11-13 13:42:32,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:32,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 803 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-13 13:42:33,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:33,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422623141] [2024-11-13 13:42:33,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422623141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:42:33,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:42:33,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:42:33,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618312070] [2024-11-13 13:42:33,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:42:33,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:42:33,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:33,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:42:33,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:42:33,780 INFO L87 Difference]: Start difference. First operand 15198 states and 16485 transitions. Second operand has 4 states, 4 states have (on average 139.0) internal successors, (556), 3 states have internal predecessors, (556), 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 13:42:35,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:35,049 INFO L93 Difference]: Finished difference Result 29736 states and 32301 transitions. [2024-11-13 13:42:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:42:35,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 139.0) internal successors, (556), 3 states have internal predecessors, (556), 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) Word has length 720 [2024-11-13 13:42:35,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:35,070 INFO L225 Difference]: With dead ends: 29736 [2024-11-13 13:42:35,070 INFO L226 Difference]: Without dead ends: 15198 [2024-11-13 13:42:35,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:42:35,081 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 173 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:35,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 132 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:42:35,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15198 states. [2024-11-13 13:42:35,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15198 to 15198. [2024-11-13 13:42:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15198 states, 15197 states have (on average 1.0845561624004738) internal successors, (16482), 15197 states have internal predecessors, (16482), 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 13:42:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15198 states to 15198 states and 16482 transitions. [2024-11-13 13:42:35,270 INFO L78 Accepts]: Start accepts. Automaton has 15198 states and 16482 transitions. Word has length 720 [2024-11-13 13:42:35,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:35,271 INFO L471 AbstractCegarLoop]: Abstraction has 15198 states and 16482 transitions. [2024-11-13 13:42:35,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 139.0) internal successors, (556), 3 states have internal predecessors, (556), 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 13:42:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 15198 states and 16482 transitions. [2024-11-13 13:42:35,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2024-11-13 13:42:35,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:35,280 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:35,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:42:35,280 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:35,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:35,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2123273086, now seen corresponding path program 1 times [2024-11-13 13:42:35,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:35,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852683457] [2024-11-13 13:42:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:35,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:36,434 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 544 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-11-13 13:42:36,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:36,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852683457] [2024-11-13 13:42:36,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852683457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:42:36,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:42:36,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:42:36,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738448951] [2024-11-13 13:42:36,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:42:36,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:42:36,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:36,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:42:36,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:42:36,437 INFO L87 Difference]: Start difference. First operand 15198 states and 16482 transitions. Second operand has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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 13:42:37,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:37,616 INFO L93 Difference]: Finished difference Result 15588 states and 16879 transitions. [2024-11-13 13:42:37,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:42:37,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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) Word has length 722 [2024-11-13 13:42:37,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:37,631 INFO L225 Difference]: With dead ends: 15588 [2024-11-13 13:42:37,632 INFO L226 Difference]: Without dead ends: 15527 [2024-11-13 13:42:37,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:42:37,637 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 505 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:37,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 17 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:42:37,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15527 states. [2024-11-13 13:42:37,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15527 to 15198. [2024-11-13 13:42:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15198 states, 15197 states have (on average 1.0839639402513654) internal successors, (16473), 15197 states have internal predecessors, (16473), 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 13:42:37,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15198 states to 15198 states and 16473 transitions. [2024-11-13 13:42:37,887 INFO L78 Accepts]: Start accepts. Automaton has 15198 states and 16473 transitions. Word has length 722 [2024-11-13 13:42:37,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:37,889 INFO L471 AbstractCegarLoop]: Abstraction has 15198 states and 16473 transitions. [2024-11-13 13:42:37,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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 13:42:37,890 INFO L276 IsEmpty]: Start isEmpty. Operand 15198 states and 16473 transitions. [2024-11-13 13:42:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-11-13 13:42:37,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:37,900 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:37,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:42:37,901 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:37,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:37,902 INFO L85 PathProgramCache]: Analyzing trace with hash 2074662724, now seen corresponding path program 1 times [2024-11-13 13:42:37,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:37,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971821912] [2024-11-13 13:42:37,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:37,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 593 proven. 228 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-13 13:42:39,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:39,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971821912] [2024-11-13 13:42:39,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971821912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:42:39,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150377756] [2024-11-13 13:42:39,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:39,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:42:39,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:42:39,016 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:42:39,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:42:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:39,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:42:39,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:42:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 637 proven. 201 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-13 13:42:42,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:42:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 637 proven. 201 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-13 13:42:46,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150377756] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:42:46,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:42:46,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2024-11-13 13:42:46,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726681344] [2024-11-13 13:42:46,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:42:46,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:42:46,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:46,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:42:46,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:42:46,957 INFO L87 Difference]: Start difference. First operand 15198 states and 16473 transitions. Second operand has 10 states, 10 states have (on average 160.5) internal successors, (1605), 9 states have internal predecessors, (1605), 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 13:42:52,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:52,396 INFO L93 Difference]: Finished difference Result 31052 states and 33662 transitions. [2024-11-13 13:42:52,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:42:52,397 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 160.5) internal successors, (1605), 9 states have internal predecessors, (1605), 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) Word has length 810 [2024-11-13 13:42:52,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:52,407 INFO L225 Difference]: With dead ends: 31052 [2024-11-13 13:42:52,408 INFO L226 Difference]: Without dead ends: 16514 [2024-11-13 13:42:52,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1629 GetRequests, 1615 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:42:52,414 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 1627 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 7535 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 7804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 7535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:52,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 95 Invalid, 7804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 7535 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-13 13:42:52,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16514 states. [2024-11-13 13:42:52,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16514 to 14869. [2024-11-13 13:42:52,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14869 states, 14868 states have (on average 1.0722356739305892) internal successors, (15942), 14868 states have internal predecessors, (15942), 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 13:42:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14869 states to 14869 states and 15942 transitions. [2024-11-13 13:42:52,607 INFO L78 Accepts]: Start accepts. Automaton has 14869 states and 15942 transitions. Word has length 810 [2024-11-13 13:42:52,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:52,607 INFO L471 AbstractCegarLoop]: Abstraction has 14869 states and 15942 transitions. [2024-11-13 13:42:52,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 160.5) internal successors, (1605), 9 states have internal predecessors, (1605), 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 13:42:52,608 INFO L276 IsEmpty]: Start isEmpty. Operand 14869 states and 15942 transitions. [2024-11-13 13:42:52,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2024-11-13 13:42:52,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:52,619 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:52,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:42:52,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 13:42:52,821 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:52,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:52,821 INFO L85 PathProgramCache]: Analyzing trace with hash -500178982, now seen corresponding path program 1 times [2024-11-13 13:42:52,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:52,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038244536] [2024-11-13 13:42:52,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:52,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 941 proven. 100 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-11-13 13:42:53,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:53,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038244536] [2024-11-13 13:42:53,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038244536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:42:53,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214670593] [2024-11-13 13:42:53,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:53,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:42:53,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:42:53,830 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:42:53,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:42:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:54,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 13:42:54,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:42:56,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 249 proven. 851 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-13 13:42:56,896 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:42:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 308 proven. 792 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-13 13:42:59,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214670593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:42:59,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:42:59,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 12 [2024-11-13 13:42:59,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607514123] [2024-11-13 13:42:59,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:42:59,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:42:59,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:59,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:42:59,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:42:59,910 INFO L87 Difference]: Start difference. First operand 14869 states and 15942 transitions. Second operand has 13 states, 13 states have (on average 118.0) internal successors, (1534), 12 states have internal predecessors, (1534), 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 13:43:09,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:09,321 INFO L93 Difference]: Finished difference Result 38814 states and 41504 transitions. [2024-11-13 13:43:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:43:09,322 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 118.0) internal successors, (1534), 12 states have internal predecessors, (1534), 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) Word has length 869 [2024-11-13 13:43:09,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:09,337 INFO L225 Difference]: With dead ends: 38814 [2024-11-13 13:43:09,337 INFO L226 Difference]: Without dead ends: 24486 [2024-11-13 13:43:09,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1752 GetRequests, 1729 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=195, Invalid=405, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:43:09,345 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 3880 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 12347 mSolverCounterSat, 713 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3880 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 13060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 713 IncrementalHoareTripleChecker+Valid, 12347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:09,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3880 Valid, 139 Invalid, 13060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [713 Valid, 12347 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2024-11-13 13:43:09,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24486 states. [2024-11-13 13:43:09,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24486 to 19475. [2024-11-13 13:43:09,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19475 states, 19474 states have (on average 1.0648557050426208) internal successors, (20737), 19474 states have internal predecessors, (20737), 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 13:43:09,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19475 states to 19475 states and 20737 transitions. [2024-11-13 13:43:09,623 INFO L78 Accepts]: Start accepts. Automaton has 19475 states and 20737 transitions. Word has length 869 [2024-11-13 13:43:09,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:09,624 INFO L471 AbstractCegarLoop]: Abstraction has 19475 states and 20737 transitions. [2024-11-13 13:43:09,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 118.0) internal successors, (1534), 12 states have internal predecessors, (1534), 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 13:43:09,625 INFO L276 IsEmpty]: Start isEmpty. Operand 19475 states and 20737 transitions. [2024-11-13 13:43:09,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 992 [2024-11-13 13:43:09,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:09,637 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:09,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:43:09,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 13:43:09,838 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:09,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:09,838 INFO L85 PathProgramCache]: Analyzing trace with hash -367053873, now seen corresponding path program 1 times [2024-11-13 13:43:09,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:09,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438965962] [2024-11-13 13:43:09,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:09,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2148 backedges. 1327 proven. 0 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2024-11-13 13:43:10,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:10,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438965962] [2024-11-13 13:43:10,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438965962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:10,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:10,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:43:10,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722259987] [2024-11-13 13:43:10,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:10,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:10,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:10,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:10,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:10,590 INFO L87 Difference]: Start difference. First operand 19475 states and 20737 transitions. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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 13:43:11,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:11,612 INFO L93 Difference]: Finished difference Result 42238 states and 45078 transitions. [2024-11-13 13:43:11,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:11,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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) Word has length 991 [2024-11-13 13:43:11,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:11,627 INFO L225 Difference]: With dead ends: 42238 [2024-11-13 13:43:11,627 INFO L226 Difference]: Without dead ends: 23094 [2024-11-13 13:43:11,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:11,701 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 220 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:11,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 447 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:43:11,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23094 states. [2024-11-13 13:43:11,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23094 to 21778. [2024-11-13 13:43:11,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21778 states, 21777 states have (on average 1.0590990494558479) internal successors, (23064), 21777 states have internal predecessors, (23064), 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 13:43:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21778 states to 21778 states and 23064 transitions. [2024-11-13 13:43:11,963 INFO L78 Accepts]: Start accepts. Automaton has 21778 states and 23064 transitions. Word has length 991 [2024-11-13 13:43:11,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:11,964 INFO L471 AbstractCegarLoop]: Abstraction has 21778 states and 23064 transitions. [2024-11-13 13:43:11,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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 13:43:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand 21778 states and 23064 transitions. [2024-11-13 13:43:11,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1009 [2024-11-13 13:43:11,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:11,983 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:11,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:43:11,983 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:11,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:11,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1065313887, now seen corresponding path program 1 times [2024-11-13 13:43:11,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:11,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212067933] [2024-11-13 13:43:11,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:11,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:12,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2237 backedges. 975 proven. 0 refuted. 0 times theorem prover too weak. 1262 trivial. 0 not checked. [2024-11-13 13:43:12,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:12,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212067933] [2024-11-13 13:43:12,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212067933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:12,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:12,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:43:12,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344150991] [2024-11-13 13:43:12,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:12,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:12,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:12,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:12,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:12,608 INFO L87 Difference]: Start difference. First operand 21778 states and 23064 transitions. Second operand has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 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 13:43:13,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:13,675 INFO L93 Difference]: Finished difference Result 49476 states and 52470 transitions. [2024-11-13 13:43:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:13,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 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) Word has length 1008 [2024-11-13 13:43:13,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:13,703 INFO L225 Difference]: With dead ends: 49476 [2024-11-13 13:43:13,703 INFO L226 Difference]: Without dead ends: 26384 [2024-11-13 13:43:13,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:13,717 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 210 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:13,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 432 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:43:13,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26384 states. [2024-11-13 13:43:14,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26384 to 25397. [2024-11-13 13:43:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25397 states, 25396 states have (on average 1.044888958891164) internal successors, (26536), 25396 states have internal predecessors, (26536), 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 13:43:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25397 states to 25397 states and 26536 transitions. [2024-11-13 13:43:14,029 INFO L78 Accepts]: Start accepts. Automaton has 25397 states and 26536 transitions. Word has length 1008 [2024-11-13 13:43:14,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:14,030 INFO L471 AbstractCegarLoop]: Abstraction has 25397 states and 26536 transitions. [2024-11-13 13:43:14,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 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 13:43:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 25397 states and 26536 transitions. [2024-11-13 13:43:14,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1092 [2024-11-13 13:43:14,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:14,040 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:14,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:43:14,041 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:14,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:14,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2023960943, now seen corresponding path program 1 times [2024-11-13 13:43:14,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:14,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356384040] [2024-11-13 13:43:14,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:14,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:15,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2024-11-13 13:43:15,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:15,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356384040] [2024-11-13 13:43:15,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356384040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:15,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:15,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:43:15,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633904198] [2024-11-13 13:43:15,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:15,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:15,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:15,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:15,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:15,200 INFO L87 Difference]: Start difference. First operand 25397 states and 26536 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:16,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:16,287 INFO L93 Difference]: Finished difference Result 50463 states and 52739 transitions. [2024-11-13 13:43:16,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:16,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1091 [2024-11-13 13:43:16,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:16,312 INFO L225 Difference]: With dead ends: 50463 [2024-11-13 13:43:16,312 INFO L226 Difference]: Without dead ends: 25068 [2024-11-13 13:43:16,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:16,323 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 279 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:16,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 371 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:43:16,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25068 states. [2024-11-13 13:43:16,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25068 to 23423. [2024-11-13 13:43:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23423 states, 23422 states have (on average 1.035351379045342) internal successors, (24250), 23422 states have internal predecessors, (24250), 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 13:43:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23423 states to 23423 states and 24250 transitions. [2024-11-13 13:43:16,637 INFO L78 Accepts]: Start accepts. Automaton has 23423 states and 24250 transitions. Word has length 1091 [2024-11-13 13:43:16,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:16,639 INFO L471 AbstractCegarLoop]: Abstraction has 23423 states and 24250 transitions. [2024-11-13 13:43:16,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:16,639 INFO L276 IsEmpty]: Start isEmpty. Operand 23423 states and 24250 transitions. [2024-11-13 13:43:16,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1146 [2024-11-13 13:43:16,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:16,668 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:16,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:43:16,669 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:16,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:16,669 INFO L85 PathProgramCache]: Analyzing trace with hash 272028423, now seen corresponding path program 1 times [2024-11-13 13:43:16,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:16,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338762946] [2024-11-13 13:43:16,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:16,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2194 backedges. 1105 proven. 0 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2024-11-13 13:43:17,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:17,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338762946] [2024-11-13 13:43:17,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338762946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:17,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:17,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:43:17,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891580007] [2024-11-13 13:43:17,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:17,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:17,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:17,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:17,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:17,408 INFO L87 Difference]: Start difference. First operand 23423 states and 24250 transitions. Second operand has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 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 13:43:18,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:18,363 INFO L93 Difference]: Finished difference Result 46515 states and 48167 transitions. [2024-11-13 13:43:18,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:18,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 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) Word has length 1145 [2024-11-13 13:43:18,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:18,379 INFO L225 Difference]: With dead ends: 46515 [2024-11-13 13:43:18,379 INFO L226 Difference]: Without dead ends: 23423 [2024-11-13 13:43:18,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:18,390 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 61 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:18,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 431 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:43:18,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23423 states. [2024-11-13 13:43:18,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23423 to 22107. [2024-11-13 13:43:18,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22107 states, 22106 states have (on average 1.0294942549534063) internal successors, (22758), 22106 states have internal predecessors, (22758), 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 13:43:18,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22107 states to 22107 states and 22758 transitions. [2024-11-13 13:43:18,585 INFO L78 Accepts]: Start accepts. Automaton has 22107 states and 22758 transitions. Word has length 1145 [2024-11-13 13:43:18,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:18,585 INFO L471 AbstractCegarLoop]: Abstraction has 22107 states and 22758 transitions. [2024-11-13 13:43:18,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 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 13:43:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 22107 states and 22758 transitions. [2024-11-13 13:43:18,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1206 [2024-11-13 13:43:18,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:18,602 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:18,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:43:18,602 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:18,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:18,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1301809836, now seen corresponding path program 1 times [2024-11-13 13:43:18,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:18,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527996026] [2024-11-13 13:43:18,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:18,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 1871 trivial. 0 not checked. [2024-11-13 13:43:19,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:19,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527996026] [2024-11-13 13:43:19,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527996026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:19,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:19,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:43:19,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066105272] [2024-11-13 13:43:19,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:19,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:19,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:19,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:19,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:19,241 INFO L87 Difference]: Start difference. First operand 22107 states and 22758 transitions. Second operand has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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 13:43:20,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:20,223 INFO L93 Difference]: Finished difference Result 43883 states and 45183 transitions. [2024-11-13 13:43:20,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:20,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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) Word has length 1205 [2024-11-13 13:43:20,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:20,237 INFO L225 Difference]: With dead ends: 43883 [2024-11-13 13:43:20,237 INFO L226 Difference]: Without dead ends: 22107 [2024-11-13 13:43:20,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:20,246 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 306 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:20,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 379 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:43:20,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22107 states. [2024-11-13 13:43:20,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22107 to 21778. [2024-11-13 13:43:20,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21778 states, 21777 states have (on average 1.0264040042246407) internal successors, (22352), 21777 states have internal predecessors, (22352), 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 13:43:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21778 states to 21778 states and 22352 transitions. [2024-11-13 13:43:20,408 INFO L78 Accepts]: Start accepts. Automaton has 21778 states and 22352 transitions. Word has length 1205 [2024-11-13 13:43:20,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:20,409 INFO L471 AbstractCegarLoop]: Abstraction has 21778 states and 22352 transitions. [2024-11-13 13:43:20,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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 13:43:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 21778 states and 22352 transitions. [2024-11-13 13:43:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1470 [2024-11-13 13:43:20,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:20,425 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:20,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:43:20,425 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:20,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:20,426 INFO L85 PathProgramCache]: Analyzing trace with hash -525084627, now seen corresponding path program 1 times [2024-11-13 13:43:20,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:20,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890507767] [2024-11-13 13:43:20,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:20,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3567 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 3155 trivial. 0 not checked. [2024-11-13 13:43:21,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:21,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890507767] [2024-11-13 13:43:21,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890507767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:21,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:21,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:43:21,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881178012] [2024-11-13 13:43:21,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:21,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:43:21,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:21,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:43:21,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:43:21,239 INFO L87 Difference]: Start difference. First operand 21778 states and 22352 transitions. Second operand has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 13:43:22,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:22,855 INFO L93 Difference]: Finished difference Result 45881 states and 47077 transitions. [2024-11-13 13:43:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:43:22,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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) Word has length 1469 [2024-11-13 13:43:22,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:22,875 INFO L225 Difference]: With dead ends: 45881 [2024-11-13 13:43:22,875 INFO L226 Difference]: Without dead ends: 23423 [2024-11-13 13:43:22,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:43:22,887 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 605 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:22,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 56 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:43:22,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23423 states. [2024-11-13 13:43:23,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23423 to 21120. [2024-11-13 13:43:23,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21120 states, 21119 states have (on average 1.0257587953975094) internal successors, (21663), 21119 states have internal predecessors, (21663), 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 13:43:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21120 states to 21120 states and 21663 transitions. [2024-11-13 13:43:23,235 INFO L78 Accepts]: Start accepts. Automaton has 21120 states and 21663 transitions. Word has length 1469 [2024-11-13 13:43:23,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:23,237 INFO L471 AbstractCegarLoop]: Abstraction has 21120 states and 21663 transitions. [2024-11-13 13:43:23,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 13:43:23,237 INFO L276 IsEmpty]: Start isEmpty. Operand 21120 states and 21663 transitions. [2024-11-13 13:43:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1530 [2024-11-13 13:43:23,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:23,326 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:23,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:43:23,327 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:23,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:23,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1603267953, now seen corresponding path program 1 times [2024-11-13 13:43:23,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:23,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722756490] [2024-11-13 13:43:23,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:23,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 5206 backedges. 2562 proven. 0 refuted. 0 times theorem prover too weak. 2644 trivial. 0 not checked. [2024-11-13 13:43:24,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:24,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722756490] [2024-11-13 13:43:24,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722756490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:43:24,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:43:24,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:43:24,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792493052] [2024-11-13 13:43:24,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:43:24,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:43:24,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:24,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:43:24,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:24,470 INFO L87 Difference]: Start difference. First operand 21120 states and 21663 transitions. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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 13:43:25,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:25,408 INFO L93 Difference]: Finished difference Result 44541 states and 45722 transitions. [2024-11-13 13:43:25,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:43:25,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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) Word has length 1529 [2024-11-13 13:43:25,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:25,428 INFO L225 Difference]: With dead ends: 44541 [2024-11-13 13:43:25,428 INFO L226 Difference]: Without dead ends: 21778 [2024-11-13 13:43:25,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:43:25,439 INFO L432 NwaCegarLoop]: 412 mSDtfsCounter, 205 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:25,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 418 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:43:25,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21778 states. [2024-11-13 13:43:25,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21778 to 20462. [2024-11-13 13:43:25,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20462 states, 20461 states have (on average 1.0217975661013636) internal successors, (20907), 20461 states have internal predecessors, (20907), 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 13:43:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20462 states to 20462 states and 20907 transitions. [2024-11-13 13:43:25,593 INFO L78 Accepts]: Start accepts. Automaton has 20462 states and 20907 transitions. Word has length 1529 [2024-11-13 13:43:25,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:25,593 INFO L471 AbstractCegarLoop]: Abstraction has 20462 states and 20907 transitions. [2024-11-13 13:43:25,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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 13:43:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 20462 states and 20907 transitions. [2024-11-13 13:43:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1557 [2024-11-13 13:43:25,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:25,620 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:25,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:43:25,620 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:25,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:25,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1074472477, now seen corresponding path program 1 times [2024-11-13 13:43:25,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:25,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237063601] [2024-11-13 13:43:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4281 backedges. 2813 proven. 35 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2024-11-13 13:43:27,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:27,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237063601] [2024-11-13 13:43:27,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237063601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:43:27,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959875182] [2024-11-13 13:43:27,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:27,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:43:27,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:43:27,218 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:43:27,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:43:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:27,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 1797 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:43:27,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:43:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4281 backedges. 2813 proven. 35 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2024-11-13 13:43:30,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:43:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4281 backedges. 2526 proven. 322 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2024-11-13 13:43:34,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959875182] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:43:34,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:43:34,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-13 13:43:34,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98504273] [2024-11-13 13:43:34,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:43:34,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:43:34,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:34,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:43:34,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:43:34,700 INFO L87 Difference]: Start difference. First operand 20462 states and 20907 transitions. Second operand has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 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 13:43:37,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:37,153 INFO L93 Difference]: Finished difference Result 40922 states and 41817 transitions. [2024-11-13 13:43:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:43:37,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 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) Word has length 1556 [2024-11-13 13:43:37,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:37,171 INFO L225 Difference]: With dead ends: 40922 [2024-11-13 13:43:37,171 INFO L226 Difference]: Without dead ends: 20791 [2024-11-13 13:43:37,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3119 GetRequests, 3113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:43:37,182 INFO L432 NwaCegarLoop]: 416 mSDtfsCounter, 419 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 3042 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 3065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 3042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:37,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 560 Invalid, 3065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 3042 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 13:43:37,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20791 states. [2024-11-13 13:43:37,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20791 to 20791. [2024-11-13 13:43:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20791 states, 20790 states have (on average 1.0213564213564215) internal successors, (21234), 20790 states have internal predecessors, (21234), 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 13:43:37,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20791 states to 20791 states and 21234 transitions. [2024-11-13 13:43:37,372 INFO L78 Accepts]: Start accepts. Automaton has 20791 states and 21234 transitions. Word has length 1556 [2024-11-13 13:43:37,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:37,373 INFO L471 AbstractCegarLoop]: Abstraction has 20791 states and 21234 transitions. [2024-11-13 13:43:37,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 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 13:43:37,374 INFO L276 IsEmpty]: Start isEmpty. Operand 20791 states and 21234 transitions. [2024-11-13 13:43:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1588 [2024-11-13 13:43:37,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:37,391 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:37,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 13:43:37,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-13 13:43:37,592 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:37,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:37,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1187208933, now seen corresponding path program 1 times [2024-11-13 13:43:37,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:37,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464502015] [2024-11-13 13:43:37,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:37,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4312 backedges. 2591 proven. 288 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2024-11-13 13:43:40,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:40,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464502015] [2024-11-13 13:43:40,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464502015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:43:40,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202877503] [2024-11-13 13:43:40,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:40,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:43:40,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:43:40,239 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:43:40,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 13:43:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:40,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 1828 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:43:40,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:43:43,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4312 backedges. 2677 proven. 464 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2024-11-13 13:43:43,427 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:43:46,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4312 backedges. 2677 proven. 464 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2024-11-13 13:43:46,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202877503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:43:46,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:43:46,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2024-11-13 13:43:46,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743052814] [2024-11-13 13:43:46,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:43:46,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:43:46,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:46,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:43:46,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:43:46,070 INFO L87 Difference]: Start difference. First operand 20791 states and 21234 transitions. Second operand has 13 states, 13 states have (on average 148.53846153846155) internal successors, (1931), 13 states have internal predecessors, (1931), 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 13:43:58,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:58,765 INFO L93 Difference]: Finished difference Result 44006 states and 44919 transitions. [2024-11-13 13:43:58,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 13:43:58,765 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 148.53846153846155) internal successors, (1931), 13 states have internal predecessors, (1931), 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) Word has length 1587 [2024-11-13 13:43:58,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:58,780 INFO L225 Difference]: With dead ends: 44006 [2024-11-13 13:43:58,780 INFO L226 Difference]: Without dead ends: 23487 [2024-11-13 13:43:58,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3202 GetRequests, 3176 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=609, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:43:58,788 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 2427 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 22128 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2427 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 22338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 22128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:58,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 323 Invalid, 22338 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [210 Valid, 22128 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2024-11-13 13:43:58,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23487 states. [2024-11-13 13:43:58,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23487 to 21449. [2024-11-13 13:43:58,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21449 states, 21448 states have (on average 1.0194889966430436) internal successors, (21866), 21448 states have internal predecessors, (21866), 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 13:43:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21449 states to 21449 states and 21866 transitions. [2024-11-13 13:43:58,993 INFO L78 Accepts]: Start accepts. Automaton has 21449 states and 21866 transitions. Word has length 1587 [2024-11-13 13:43:58,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:58,994 INFO L471 AbstractCegarLoop]: Abstraction has 21449 states and 21866 transitions. [2024-11-13 13:43:58,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 148.53846153846155) internal successors, (1931), 13 states have internal predecessors, (1931), 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 13:43:58,994 INFO L276 IsEmpty]: Start isEmpty. Operand 21449 states and 21866 transitions. [2024-11-13 13:43:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2217 [2024-11-13 13:43:59,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:59,028 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:59,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 13:43:59,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 13:43:59,229 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:43:59,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:59,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1057798942, now seen corresponding path program 1 times [2024-11-13 13:43:59,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:59,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609861536] [2024-11-13 13:43:59,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:59,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 9200 backedges. 5863 proven. 889 refuted. 0 times theorem prover too weak. 2448 trivial. 0 not checked. [2024-11-13 13:44:03,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:03,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609861536] [2024-11-13 13:44:03,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609861536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:44:03,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421172934] [2024-11-13 13:44:03,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:03,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:44:03,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:44:03,286 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:44:03,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 13:44:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:03,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 2520 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:44:03,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:44:04,181 INFO L134 CoverageAnalysis]: Checked inductivity of 9200 backedges. 1980 proven. 0 refuted. 0 times theorem prover too weak. 7220 trivial. 0 not checked. [2024-11-13 13:44:04,181 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:44:04,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421172934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:04,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:44:04,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-13 13:44:04,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469228713] [2024-11-13 13:44:04,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:04,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:44:04,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:04,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:44:04,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:44:04,185 INFO L87 Difference]: Start difference. First operand 21449 states and 21866 transitions. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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 13:44:05,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:05,131 INFO L93 Difference]: Finished difference Result 42238 states and 43064 transitions. [2024-11-13 13:44:05,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:44:05,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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) Word has length 2216 [2024-11-13 13:44:05,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:05,146 INFO L225 Difference]: With dead ends: 42238 [2024-11-13 13:44:05,146 INFO L226 Difference]: Without dead ends: 21120 [2024-11-13 13:44:05,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2224 GetRequests, 2218 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:44:05,154 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 219 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:05,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 56 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:44:05,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21120 states. [2024-11-13 13:44:05,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21120 to 20791. [2024-11-13 13:44:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20791 states, 20790 states have (on average 1.0157287157287158) internal successors, (21117), 20790 states have internal predecessors, (21117), 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 13:44:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20791 states to 20791 states and 21117 transitions. [2024-11-13 13:44:05,323 INFO L78 Accepts]: Start accepts. Automaton has 20791 states and 21117 transitions. Word has length 2216 [2024-11-13 13:44:05,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:05,325 INFO L471 AbstractCegarLoop]: Abstraction has 20791 states and 21117 transitions. [2024-11-13 13:44:05,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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 13:44:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 20791 states and 21117 transitions. [2024-11-13 13:44:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2294 [2024-11-13 13:44:05,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:05,356 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:05,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 13:44:05,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-13 13:44:05,556 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:05,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:05,557 INFO L85 PathProgramCache]: Analyzing trace with hash 309903988, now seen corresponding path program 1 times [2024-11-13 13:44:05,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:05,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544591207] [2024-11-13 13:44:05,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:05,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 9514 backedges. 6081 proven. 0 refuted. 0 times theorem prover too weak. 3433 trivial. 0 not checked. [2024-11-13 13:44:08,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:08,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544591207] [2024-11-13 13:44:08,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544591207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:08,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:08,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:44:08,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516300083] [2024-11-13 13:44:08,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:08,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:44:08,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:08,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:44:08,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:44:08,042 INFO L87 Difference]: Start difference. First operand 20791 states and 21117 transitions. Second operand has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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 13:44:09,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:09,314 INFO L93 Difference]: Finished difference Result 41262 states and 41912 transitions. [2024-11-13 13:44:09,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:44:09,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) Word has length 2293 [2024-11-13 13:44:09,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:09,328 INFO L225 Difference]: With dead ends: 41262 [2024-11-13 13:44:09,328 INFO L226 Difference]: Without dead ends: 20802 [2024-11-13 13:44:09,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:44:09,337 INFO L432 NwaCegarLoop]: 424 mSDtfsCounter, 217 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:09,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 438 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:44:09,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20802 states. [2024-11-13 13:44:09,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20802 to 20791. [2024-11-13 13:44:09,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20791 states, 20790 states have (on average 1.0153920153920153) internal successors, (21110), 20790 states have internal predecessors, (21110), 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 13:44:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20791 states to 20791 states and 21110 transitions. [2024-11-13 13:44:09,545 INFO L78 Accepts]: Start accepts. Automaton has 20791 states and 21110 transitions. Word has length 2293 [2024-11-13 13:44:09,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:09,547 INFO L471 AbstractCegarLoop]: Abstraction has 20791 states and 21110 transitions. [2024-11-13 13:44:09,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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 13:44:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 20791 states and 21110 transitions. [2024-11-13 13:44:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2299 [2024-11-13 13:44:09,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:09,589 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:09,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 13:44:09,589 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:09,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:09,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1071506425, now seen corresponding path program 1 times [2024-11-13 13:44:09,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:09,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192203841] [2024-11-13 13:44:09,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:09,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 10334 backedges. 6203 proven. 0 refuted. 0 times theorem prover too weak. 4131 trivial. 0 not checked. [2024-11-13 13:44:11,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:11,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192203841] [2024-11-13 13:44:11,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192203841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:11,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:11,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:44:11,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334789635] [2024-11-13 13:44:11,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:11,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:44:11,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:11,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:44:11,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:11,596 INFO L87 Difference]: Start difference. First operand 20791 states and 21110 transitions. Second operand has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 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 13:44:12,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:12,598 INFO L93 Difference]: Finished difference Result 41580 states and 42221 transitions. [2024-11-13 13:44:12,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:44:12,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 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) Word has length 2298 [2024-11-13 13:44:12,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:12,615 INFO L225 Difference]: With dead ends: 41580 [2024-11-13 13:44:12,616 INFO L226 Difference]: Without dead ends: 21120 [2024-11-13 13:44:12,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:12,625 INFO L432 NwaCegarLoop]: 428 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:12,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 434 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:44:12,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21120 states. [2024-11-13 13:44:12,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21120 to 20462. [2024-11-13 13:44:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20462 states, 20461 states have (on average 1.0155906358438005) internal successors, (20780), 20461 states have internal predecessors, (20780), 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 13:44:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20462 states to 20462 states and 20780 transitions. [2024-11-13 13:44:12,794 INFO L78 Accepts]: Start accepts. Automaton has 20462 states and 20780 transitions. Word has length 2298 [2024-11-13 13:44:12,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:12,794 INFO L471 AbstractCegarLoop]: Abstraction has 20462 states and 20780 transitions. [2024-11-13 13:44:12,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 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 13:44:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 20462 states and 20780 transitions. [2024-11-13 13:44:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2342 [2024-11-13 13:44:12,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:12,823 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:12,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 13:44:12,824 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:12,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:12,824 INFO L85 PathProgramCache]: Analyzing trace with hash 392829111, now seen corresponding path program 1 times [2024-11-13 13:44:12,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:12,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209873692] [2024-11-13 13:44:12,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:12,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:13,977 INFO L134 CoverageAnalysis]: Checked inductivity of 10364 backedges. 5625 proven. 0 refuted. 0 times theorem prover too weak. 4739 trivial. 0 not checked. [2024-11-13 13:44:13,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:13,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209873692] [2024-11-13 13:44:13,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209873692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:13,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:13,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:44:13,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045047152] [2024-11-13 13:44:13,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:13,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:44:13,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:13,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:44:13,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:13,980 INFO L87 Difference]: Start difference. First operand 20462 states and 20780 transitions. Second operand has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 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 13:44:14,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:14,945 INFO L93 Difference]: Finished difference Result 40592 states and 41215 transitions. [2024-11-13 13:44:14,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:44:14,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 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) Word has length 2341 [2024-11-13 13:44:14,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:14,966 INFO L225 Difference]: With dead ends: 40592 [2024-11-13 13:44:14,966 INFO L226 Difference]: Without dead ends: 20461 [2024-11-13 13:44:14,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:14,979 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 205 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:14,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 391 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:44:14,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20461 states. [2024-11-13 13:44:15,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20461 to 20132. [2024-11-13 13:44:15,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20132 states, 20131 states have (on average 1.0142566191446027) internal successors, (20418), 20131 states have internal predecessors, (20418), 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 13:44:15,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20132 states to 20132 states and 20418 transitions. [2024-11-13 13:44:15,202 INFO L78 Accepts]: Start accepts. Automaton has 20132 states and 20418 transitions. Word has length 2341 [2024-11-13 13:44:15,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:15,203 INFO L471 AbstractCegarLoop]: Abstraction has 20132 states and 20418 transitions. [2024-11-13 13:44:15,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 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 13:44:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 20132 states and 20418 transitions. [2024-11-13 13:44:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2357 [2024-11-13 13:44:15,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:15,254 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:15,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 13:44:15,254 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:15,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:15,255 INFO L85 PathProgramCache]: Analyzing trace with hash -986248006, now seen corresponding path program 1 times [2024-11-13 13:44:15,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:15,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760616990] [2024-11-13 13:44:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:15,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 10002 backedges. 6422 proven. 0 refuted. 0 times theorem prover too weak. 3580 trivial. 0 not checked. [2024-11-13 13:44:17,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:17,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760616990] [2024-11-13 13:44:17,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760616990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:17,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:17,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:44:17,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606481697] [2024-11-13 13:44:17,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:17,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:44:17,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:17,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:44:17,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:44:17,657 INFO L87 Difference]: Start difference. First operand 20132 states and 20418 transitions. Second operand has 6 states, 6 states have (on average 140.66666666666666) internal successors, (844), 6 states have internal predecessors, (844), 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 13:44:19,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:19,359 INFO L93 Difference]: Finished difference Result 39934 states and 40504 transitions. [2024-11-13 13:44:19,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:44:19,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 140.66666666666666) internal successors, (844), 6 states have internal predecessors, (844), 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) Word has length 2356 [2024-11-13 13:44:19,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:19,381 INFO L225 Difference]: With dead ends: 39934 [2024-11-13 13:44:19,381 INFO L226 Difference]: Without dead ends: 20133 [2024-11-13 13:44:19,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:44:19,393 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 417 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 2318 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 2323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:19,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 565 Invalid, 2323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2318 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:44:19,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20133 states. [2024-11-13 13:44:19,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20133 to 20132. [2024-11-13 13:44:19,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20132 states, 20131 states have (on average 1.0141572698822712) internal successors, (20416), 20131 states have internal predecessors, (20416), 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 13:44:19,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20132 states to 20132 states and 20416 transitions. [2024-11-13 13:44:19,628 INFO L78 Accepts]: Start accepts. Automaton has 20132 states and 20416 transitions. Word has length 2356 [2024-11-13 13:44:19,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:19,629 INFO L471 AbstractCegarLoop]: Abstraction has 20132 states and 20416 transitions. [2024-11-13 13:44:19,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 140.66666666666666) internal successors, (844), 6 states have internal predecessors, (844), 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 13:44:19,629 INFO L276 IsEmpty]: Start isEmpty. Operand 20132 states and 20416 transitions. [2024-11-13 13:44:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2394 [2024-11-13 13:44:19,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:19,660 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:19,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 13:44:19,660 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:19,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:19,661 INFO L85 PathProgramCache]: Analyzing trace with hash 119010308, now seen corresponding path program 1 times [2024-11-13 13:44:19,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:19,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781775016] [2024-11-13 13:44:19,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:19,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:22,987 INFO L134 CoverageAnalysis]: Checked inductivity of 11447 backedges. 8326 proven. 486 refuted. 0 times theorem prover too weak. 2635 trivial. 0 not checked. [2024-11-13 13:44:22,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:22,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781775016] [2024-11-13 13:44:22,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781775016] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:44:22,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407733809] [2024-11-13 13:44:22,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:22,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:44:22,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:44:22,989 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:44:22,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 13:44:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:23,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 2742 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:44:23,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:44:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 11447 backedges. 6917 proven. 0 refuted. 0 times theorem prover too weak. 4530 trivial. 0 not checked. [2024-11-13 13:44:24,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:44:24,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407733809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:24,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:44:24,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-13 13:44:24,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116451760] [2024-11-13 13:44:24,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:24,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:44:24,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:24,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:44:24,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:44:24,286 INFO L87 Difference]: Start difference. First operand 20132 states and 20416 transitions. Second operand has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 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 13:44:25,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:25,225 INFO L93 Difference]: Finished difference Result 40262 states and 40830 transitions. [2024-11-13 13:44:25,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:44:25,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 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) Word has length 2393 [2024-11-13 13:44:25,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:25,239 INFO L225 Difference]: With dead ends: 40262 [2024-11-13 13:44:25,239 INFO L226 Difference]: Without dead ends: 20461 [2024-11-13 13:44:25,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2400 GetRequests, 2394 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:44:25,247 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 123 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:25,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 424 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:44:25,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20461 states. [2024-11-13 13:44:25,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20461 to 20132. [2024-11-13 13:44:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20132 states, 20131 states have (on average 1.0139585713576076) internal successors, (20412), 20131 states have internal predecessors, (20412), 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 13:44:25,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20132 states to 20132 states and 20412 transitions. [2024-11-13 13:44:25,409 INFO L78 Accepts]: Start accepts. Automaton has 20132 states and 20412 transitions. Word has length 2393 [2024-11-13 13:44:25,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:25,410 INFO L471 AbstractCegarLoop]: Abstraction has 20132 states and 20412 transitions. [2024-11-13 13:44:25,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 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 13:44:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 20132 states and 20412 transitions. [2024-11-13 13:44:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2470 [2024-11-13 13:44:25,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:25,441 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:25,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 13:44:25,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-13 13:44:25,642 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:25,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:25,643 INFO L85 PathProgramCache]: Analyzing trace with hash 719571255, now seen corresponding path program 1 times [2024-11-13 13:44:25,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:25,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993767414] [2024-11-13 13:44:25,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:25,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13074 backedges. 4367 proven. 0 refuted. 0 times theorem prover too weak. 8707 trivial. 0 not checked. [2024-11-13 13:44:26,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:26,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993767414] [2024-11-13 13:44:26,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993767414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:26,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:26,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:44:26,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362560944] [2024-11-13 13:44:26,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:26,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:44:26,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:26,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:44:26,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:26,832 INFO L87 Difference]: Start difference. First operand 20132 states and 20412 transitions. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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 13:44:27,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:27,756 INFO L93 Difference]: Finished difference Result 41578 states and 42162 transitions. [2024-11-13 13:44:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:44:27,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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) Word has length 2469 [2024-11-13 13:44:27,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:27,771 INFO L225 Difference]: With dead ends: 41578 [2024-11-13 13:44:27,771 INFO L226 Difference]: Without dead ends: 21777 [2024-11-13 13:44:27,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:27,781 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 198 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:27,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 419 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:44:27,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21777 states. [2024-11-13 13:44:27,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21777 to 19803. [2024-11-13 13:44:27,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19803 states, 19802 states have (on average 1.014089485910514) internal successors, (20081), 19802 states have internal predecessors, (20081), 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 13:44:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19803 states to 19803 states and 20081 transitions. [2024-11-13 13:44:27,937 INFO L78 Accepts]: Start accepts. Automaton has 19803 states and 20081 transitions. Word has length 2469 [2024-11-13 13:44:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:27,938 INFO L471 AbstractCegarLoop]: Abstraction has 19803 states and 20081 transitions. [2024-11-13 13:44:27,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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 13:44:27,938 INFO L276 IsEmpty]: Start isEmpty. Operand 19803 states and 20081 transitions. [2024-11-13 13:44:27,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2610 [2024-11-13 13:44:27,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:27,971 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:27,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 13:44:27,971 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:27,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:27,972 INFO L85 PathProgramCache]: Analyzing trace with hash -359081407, now seen corresponding path program 1 times [2024-11-13 13:44:27,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:27,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146829311] [2024-11-13 13:44:27,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:27,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:31,287 INFO L134 CoverageAnalysis]: Checked inductivity of 13418 backedges. 4318 proven. 134 refuted. 0 times theorem prover too weak. 8966 trivial. 0 not checked. [2024-11-13 13:44:31,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:31,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146829311] [2024-11-13 13:44:31,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146829311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:44:31,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833366136] [2024-11-13 13:44:31,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:31,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:44:31,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:44:31,290 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:44:31,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 13:44:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:32,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 2951 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:44:32,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:44:32,468 INFO L134 CoverageAnalysis]: Checked inductivity of 13418 backedges. 3030 proven. 0 refuted. 0 times theorem prover too weak. 10388 trivial. 0 not checked. [2024-11-13 13:44:32,468 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:44:32,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833366136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:32,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:44:32,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-13 13:44:32,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519381875] [2024-11-13 13:44:32,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:32,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:44:32,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:32,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:44:32,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:44:32,472 INFO L87 Difference]: Start difference. First operand 19803 states and 20081 transitions. Second operand has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 13:44:33,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:33,985 INFO L93 Difference]: Finished difference Result 43282 states and 43895 transitions. [2024-11-13 13:44:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:44:33,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) Word has length 2609 [2024-11-13 13:44:33,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:34,005 INFO L225 Difference]: With dead ends: 43282 [2024-11-13 13:44:34,005 INFO L226 Difference]: Without dead ends: 23751 [2024-11-13 13:44:34,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2613 GetRequests, 2609 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:44:34,014 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 363 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:34,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 24 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:44:34,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23751 states. [2024-11-13 13:44:34,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23751 to 19803. [2024-11-13 13:44:34,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19803 states, 19802 states have (on average 1.013988486011514) internal successors, (20079), 19802 states have internal predecessors, (20079), 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 13:44:34,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19803 states to 19803 states and 20079 transitions. [2024-11-13 13:44:34,174 INFO L78 Accepts]: Start accepts. Automaton has 19803 states and 20079 transitions. Word has length 2609 [2024-11-13 13:44:34,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:34,175 INFO L471 AbstractCegarLoop]: Abstraction has 19803 states and 20079 transitions. [2024-11-13 13:44:34,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 13:44:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 19803 states and 20079 transitions. [2024-11-13 13:44:34,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2805 [2024-11-13 13:44:34,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:34,213 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:34,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 13:44:34,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:44:34,413 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:34,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:34,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1379140822, now seen corresponding path program 1 times [2024-11-13 13:44:34,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:34,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367354450] [2024-11-13 13:44:34,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:34,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 6252 proven. 5961 refuted. 0 times theorem prover too weak. 2869 trivial. 0 not checked. [2024-11-13 13:44:41,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:41,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367354450] [2024-11-13 13:44:41,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367354450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:44:41,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589079373] [2024-11-13 13:44:41,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:41,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:44:41,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:44:41,178 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:44:41,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 13:44:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:41,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 3171 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:44:41,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:44:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 10567 proven. 60 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-11-13 13:44:44,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:44:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 10567 proven. 60 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-11-13 13:44:47,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589079373] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:44:47,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:44:47,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2024-11-13 13:44:47,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043658056] [2024-11-13 13:44:47,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:44:47,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:44:47,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:47,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:44:47,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:44:47,918 INFO L87 Difference]: Start difference. First operand 19803 states and 20079 transitions. Second operand has 12 states, 12 states have (on average 169.5) internal successors, (2034), 12 states have internal predecessors, (2034), 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 13:44:54,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:54,324 INFO L93 Difference]: Finished difference Result 40591 states and 41151 transitions. [2024-11-13 13:44:54,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:44:54,325 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 169.5) internal successors, (2034), 12 states have internal predecessors, (2034), 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) Word has length 2804 [2024-11-13 13:44:54,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:54,339 INFO L225 Difference]: With dead ends: 40591 [2024-11-13 13:44:54,339 INFO L226 Difference]: Without dead ends: 21119 [2024-11-13 13:44:54,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5624 GetRequests, 5609 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:44:54,347 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 1422 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 12246 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1422 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 12274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 12246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:54,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1422 Valid, 162 Invalid, 12274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 12246 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-13 13:44:54,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21119 states. [2024-11-13 13:44:54,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21119 to 19803. [2024-11-13 13:44:54,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19803 states, 19802 states have (on average 1.0137864862135137) internal successors, (20075), 19802 states have internal predecessors, (20075), 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 13:44:54,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19803 states to 19803 states and 20075 transitions. [2024-11-13 13:44:54,496 INFO L78 Accepts]: Start accepts. Automaton has 19803 states and 20075 transitions. Word has length 2804 [2024-11-13 13:44:54,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:54,497 INFO L471 AbstractCegarLoop]: Abstraction has 19803 states and 20075 transitions. [2024-11-13 13:44:54,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 169.5) internal successors, (2034), 12 states have internal predecessors, (2034), 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 13:44:54,497 INFO L276 IsEmpty]: Start isEmpty. Operand 19803 states and 20075 transitions. [2024-11-13 13:44:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2826 [2024-11-13 13:44:54,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:54,535 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:54,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 13:44:54,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:44:54,735 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:54,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:54,736 INFO L85 PathProgramCache]: Analyzing trace with hash 452077864, now seen corresponding path program 1 times [2024-11-13 13:44:54,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:54,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949761975] [2024-11-13 13:44:54,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:54,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:59,432 INFO L134 CoverageAnalysis]: Checked inductivity of 16707 backedges. 9750 proven. 2272 refuted. 0 times theorem prover too weak. 4685 trivial. 0 not checked. [2024-11-13 13:44:59,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:59,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949761975] [2024-11-13 13:44:59,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949761975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:44:59,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204950416] [2024-11-13 13:44:59,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:59,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:44:59,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:44:59,434 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:44:59,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 13:45:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:00,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 3209 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:45:00,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:45:00,486 INFO L134 CoverageAnalysis]: Checked inductivity of 16707 backedges. 6088 proven. 0 refuted. 0 times theorem prover too weak. 10619 trivial. 0 not checked. [2024-11-13 13:45:00,486 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:45:00,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204950416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:00,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:45:00,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-13 13:45:00,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432970091] [2024-11-13 13:45:00,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:00,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:45:00,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:00,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:45:00,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:45:00,488 INFO L87 Difference]: Start difference. First operand 19803 states and 20075 transitions. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 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 13:45:01,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:01,452 INFO L93 Difference]: Finished difference Result 38227 states and 38745 transitions. [2024-11-13 13:45:01,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:45:01,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 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) Word has length 2825 [2024-11-13 13:45:01,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:45:01,454 INFO L225 Difference]: With dead ends: 38227 [2024-11-13 13:45:01,454 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 13:45:01,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2831 GetRequests, 2825 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:45:01,464 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 119 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:45:01,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 412 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:45:01,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 13:45:01,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 13:45:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 13:45:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 13:45:01,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2825 [2024-11-13 13:45:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:45:01,465 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:45:01,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 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 13:45:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 13:45:01,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 13:45:01,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:45:01,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 13:45:01,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:45:01,672 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:45:01,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 13:45:09,521 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:45:09,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:45:09 BoogieIcfgContainer [2024-11-13 13:45:09,607 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:45:09,609 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:45:09,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:45:09,609 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:45:09,610 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:52" (3/4) ... [2024-11-13 13:45:09,613 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:45:09,651 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 13:45:09,653 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 13:45:09,655 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:45:09,656 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:45:09,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:45:09,915 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:45:09,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:45:09,915 INFO L158 Benchmark]: Toolchain (without parser) took 201747.19ms. Allocated memory was 117.4MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 88.3MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 951.6MB. Max. memory is 16.1GB. [2024-11-13 13:45:09,916 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:45:09,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1120.50ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 78.5MB in the end (delta: 9.6MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2024-11-13 13:45:09,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 188.74ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 55.3MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:45:09,917 INFO L158 Benchmark]: Boogie Preprocessor took 307.04ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 60.8MB in the end (delta: -5.5MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2024-11-13 13:45:09,918 INFO L158 Benchmark]: RCFGBuilder took 3073.54ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 60.8MB in the beginning and 79.6MB in the end (delta: -18.8MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. [2024-11-13 13:45:09,919 INFO L158 Benchmark]: TraceAbstraction took 196740.92ms. Allocated memory was 192.9MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 79.6MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-11-13 13:45:09,919 INFO L158 Benchmark]: Witness Printer took 306.31ms. Allocated memory is still 3.0GB. Free memory was 2.1GB in the beginning and 2.0GB in the end (delta: 29.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:45:09,920 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1120.50ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 78.5MB in the end (delta: 9.6MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 188.74ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 55.3MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 307.04ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 60.8MB in the end (delta: -5.5MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3073.54ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 60.8MB in the beginning and 79.6MB in the end (delta: -18.8MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. * TraceAbstraction took 196740.92ms. Allocated memory was 192.9MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 79.6MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Witness Printer took 306.31ms. Allocated memory is still 3.0GB. Free memory was 2.1GB in the beginning and 2.0GB in the end (delta: 29.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 200]: 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 CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 188.7s, OverallIterations: 33, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, AutomataDifference: 80.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17829 SdHoareTripleChecker+Valid, 73.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17829 mSDsluCounter, 8823 SdHoareTripleChecker+Invalid, 62.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1092 mSDsCounter, 6017 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89395 IncrementalHoareTripleChecker+Invalid, 95412 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6017 mSolverCounterUnsat, 7731 mSDtfsCounter, 89395 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26738 GetRequests, 26580 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25397occurred in iteration=16, InterpolantAutomatonStates: 180, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.0s AutomataMinimizationTime, 33 MinimizatonAttempts, 31102 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.8s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 87.6s InterpolantComputationTime, 61276 NumberOfCodeBlocks, 61276 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 69327 ConstructedInterpolants, 0 QuantifiedInterpolants, 217138 SizeOfPredicates, 24 NumberOfNonLiveVariables, 21125 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 50 InterpolantComputations, 27 PerfectInterpolantSequences, 244192/258444 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 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((a12 == 9) && (a16 == 9)) && (a15 == 4)) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a18 <= 134)) || (((((0 <= ((long long) 87 + a18)) && (a16 == 8)) && (a15 == 4)) && (7 == a12)) && (a18 <= 134))) || ((((((a16 == 9) && (a15 == 4)) && (a12 == 8)) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a18 <= 134))) || ((((((a16 == 8) && (a15 == 4)) && (a12 == 8)) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (((long long) a18 + 192034) <= 0))) || (((((0 <= ((long long) 87 + a18)) && (a16 == 8)) && (a15 == 4)) && (a12 == 8)) && (a18 <= 134))) || (((((((0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985)) && (10 <= a16)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a12 <= 6)) && (a16 <= 11)) && (a15 == 3)) && (a18 <= 134))) || (((((((a15 == 4) && (5 != a12)) && (10 <= a16)) && (a18 <= 594508)) && (135 <= a18)) && (a12 <= 6)) && (a16 <= 11))) || (((((((a15 == 4) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && (10 <= a16)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a12 <= 6)) && (a16 <= 11)) && (a18 <= 134))) || (((((0 <= ((long long) 87 + a18)) && (a12 == 9)) && (a16 == 8)) && (a15 == 4)) && (a18 <= 134))) || (((((a18 <= 597816) && (a16 == 9)) && (a15 == 4)) && (7 == a12)) && (594219 <= a18))) || ((((((a12 == 9) && (a16 == 11)) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && (((long long) a18 + 156) <= 0)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a15 == 3))) || ((((((a12 == 9) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && (((long long) a18 + 156) <= 0)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a16 == 12)) && (a15 == 3))) || ((((((a16 == 9) && (a12 == 8)) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a15 == 3)) && (a18 <= 600002))) || ((((((a16 == 11) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a15 == 3)) && (7 == a12)) && (a18 <= 134))) || ((((((a16 == 8) && (a15 == 4)) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (5 == a12)) && (a18 <= 134))) || (((((0 <= ((long long) 87 + a18)) && (a12 == 9)) && (a16 == 11)) && (a15 == 3)) && (a18 <= 134))) || (((((a16 == 10) && (598710 <= a18)) && (a15 == 4)) && (5 == a12)) && (a18 <= 600002))) || (((((a18 <= 69306) && (a12 == 9)) && (a16 == 8)) && (a15 == 4)) && (69094 <= a18))) || ((((((a12 == 9) && (a16 == 8)) && (a15 == 4)) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (((long long) 87 + a18) <= 0))) || (((((a12 == 9) && (a16 == 12)) && (135 <= a18)) && (a15 == 3)) && (a18 <= 600002))) || (((((0 <= ((long long) 87 + a18)) && (a16 == 9)) && (a12 <= 7)) && (a15 == 3)) && (a18 <= 600002))) || ((((((a12 == 8) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a16 == 12)) && (a15 == 3)) && (a18 <= 134))) || (((((a18 <= 594508) && (a16 == 12)) && (a12 <= 6)) && (a15 == 3)) && (594219 <= a18))) || ((((((a16 == 9) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (((long long) 87 + a18) <= 0)) && (a12 <= 7)) && (a15 == 3))) || ((((((a16 == 9) && (a15 == 4)) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a12 <= 6)) && (a18 <= 134))) || (((((a16 == 12) && (5 == a12)) && (0 < ((long long) a18 + 156))) && (a15 == 3)) && (a18 <= 134))) || ((10 <= a16) && ((((((((0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985)) && (5 != a12)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a12 <= 6)) && (a16 <= 11)) && (a15 == 3)) && (a18 <= 600002)) || ((((((0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (((long long) 87 + a18) <= 0)) && (a12 <= 7)) && (a16 <= 11)) && (a15 == 3))))) || ((((((a16 == 8) && (a15 == 4)) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (((long long) 300160 + a18) <= 0)) && (a12 <= 6))) || (((((a16 == 8) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && (((long long) a18 + 292384) <= 0)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a15 == 3))) || (((((a16 == 8) && (a15 == 4)) && (a18 <= 594508)) && (135 <= a18)) && (a12 <= 6))) || ((a16 == 9) && (((((0 <= ((long long) 87 + a18)) && (a12 == 9)) && (a15 == 3)) && (a18 <= 600002)) || (((((a12 == 9) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && (((long long) a18 + 292384) <= 0)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a15 == 3))))) || (((((0 <= ((long long) 87 + a18)) && (a16 == 8)) && (a15 == 4)) && (a12 <= 6)) && (a18 <= 134))) || (((((0 <= ((long long) 87 + a18)) && (a16 == 9)) && (a15 == 4)) && (7 == a12)) && (a18 <= 134))) || ((((((a16 == 8) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (5 == a12)) && (a15 == 3)) && (a18 <= 134))) || (((((a16 == 12) && (135 <= a18)) && (5 == a12)) && (a15 == 3)) && (a18 <= 600002))) || ((((((a16 == 9) && (a15 == 4)) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && (((long long) a18 + 292384) <= 0)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (7 == a12))) || (((((0 <= ((long long) 87 + a18)) && (a16 == 12)) && (a12 <= 6)) && (a15 == 3)) && (a18 <= 134))) || (((((0 <= ((long long) 87 + a18)) && (a12 == 9)) && (a16 == 12)) && (a15 == 3)) && (a18 <= 134))) || (((((0 <= ((long long) 87 + a18)) && (a18 <= 597816)) && (a12 == 8)) && (a16 == 12)) && (a15 == 3))) || ((((((a16 == 8) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (((long long) 87 + a18) <= 0)) && (a12 <= 7)) && (a15 == 3))) || (((((((a12 == 8) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && (10 <= a16)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a16 <= 11)) && (a15 == 3)) && (a18 <= 600002))) || ((((((0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (a16 == 12)) && (a15 == 3)) && (7 == a12)) && (a18 <= 134))) || (((((0 <= ((long long) 87 + a18)) && (a16 == 8)) && (5 != a12)) && (a15 == 3)) && (a18 <= 600002))) || ((((((a16 == 8) && (a15 == 4)) && (0 <= ((((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) >= 0) ? ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) : (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) + 10) / 9) - 1)) + 401985))) && (((long long) a18 + 156) <= 0)) && ((0 < (((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) >= 0) ? (((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) : ((((long long) ((a18 >= 0) ? (a18 / 5) : ((a18 / 5) - 1)) * 10) / 9) - 1)) + 401986)) || (((a18 >= 0) ? (a18 % 5) : ((a18 % 5) + 5)) != 0))) && (7 == a12))) RESULT: Ultimate proved your program to be correct! [2024-11-13 13:45:09,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64a09f3-58d5-4623-9fdb-1f1114d31ba7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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