./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya --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 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:09:25,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:09:25,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:09:25,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:09:25,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:09:25,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:09:25,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:09:25,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:09:25,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:09:25,216 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:09:25,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:09:25,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:09:25,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:09:25,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:09:25,219 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:09:25,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:09:25,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:09:25,220 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:09:25,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:09:25,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:09:25,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:09:25,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:09:25,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:09:25,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:09:25,226 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:09:25,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:09:25,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:09:25,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:09:25,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:09:25,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:09:25,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:09:25,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:09:25,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:09:25,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:09:25,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:09:25,230 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:09:25,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:09:25,230 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:09:25,230 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:09:25,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:09:25,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:09:25,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:09:25,231 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce [2023-11-29 04:09:25,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:09:25,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:09:25,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:09:25,474 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:09:25,475 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:09:25,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2023-11-29 04:09:28,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:09:28,479 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:09:28,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2023-11-29 04:09:28,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/data/7f7f42353/86d1ed3b025f400a9681b13abd572724/FLAG6dd721771 [2023-11-29 04:09:28,505 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/data/7f7f42353/86d1ed3b025f400a9681b13abd572724 [2023-11-29 04:09:28,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:09:28,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:09:28,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:09:28,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:09:28,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:09:28,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:09:28" (1/1) ... [2023-11-29 04:09:28,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54473a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:28, skipping insertion in model container [2023-11-29 04:09:28,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:09:28" (1/1) ... [2023-11-29 04:09:28,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:09:28,727 WARN L240 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_b27cb635-02eb-4876-9b77-03213b117201/sv-benchmarks/c/eca-rers2012/Problem11_label10.c[3268,3281] [2023-11-29 04:09:28,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:09:28,970 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:09:28,986 WARN L240 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_b27cb635-02eb-4876-9b77-03213b117201/sv-benchmarks/c/eca-rers2012/Problem11_label10.c[3268,3281] [2023-11-29 04:09:29,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:09:29,158 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:09:29,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29 WrapperNode [2023-11-29 04:09:29,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:09:29,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:09:29,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:09:29,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:09:29,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,280 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-11-29 04:09:29,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:09:29,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:09:29,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:09:29,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:09:29,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,350 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]. [2023-11-29 04:09:29,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:09:29,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:09:29,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:09:29,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:09:29,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (1/1) ... [2023-11-29 04:09:29,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:09:29,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:09:29,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:09:29,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:09:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:09:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:09:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:09:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:09:29,573 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:09:29,575 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:09:31,006 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:09:31,054 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:09:31,054 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:09:31,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:09:31 BoogieIcfgContainer [2023-11-29 04:09:31,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:09:31,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:09:31,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:09:31,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:09:31,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:09:28" (1/3) ... [2023-11-29 04:09:31,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eca4ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:09:31, skipping insertion in model container [2023-11-29 04:09:31,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:09:29" (2/3) ... [2023-11-29 04:09:31,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eca4ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:09:31, skipping insertion in model container [2023-11-29 04:09:31,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:09:31" (3/3) ... [2023-11-29 04:09:31,064 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label10.c [2023-11-29 04:09:31,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:09:31,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:09:31,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:09:31,151 INFO L357 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, mHoare=true, 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;@67bca1ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:09:31,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:09:31,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:31,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 04:09:31,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:31,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:31,164 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:31,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:31,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1103199144, now seen corresponding path program 1 times [2023-11-29 04:09:31,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:31,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638857078] [2023-11-29 04:09:31,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:31,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:31,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:31,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638857078] [2023-11-29 04:09:31,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638857078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:31,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:31,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:09:31,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653491463] [2023-11-29 04:09:31,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:31,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:09:31,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:31,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:09:31,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:09:31,367 INFO L87 Difference]: Start difference. First operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 0 states have call successors, (0), 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 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:31,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:31,413 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions. [2023-11-29 04:09:31,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:09:31,415 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-11-29 04:09:31,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:31,427 INFO L225 Difference]: With dead ends: 441 [2023-11-29 04:09:31,428 INFO L226 Difference]: Without dead ends: 219 [2023-11-29 04:09:31,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:09:31,435 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:31,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:09:31,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-11-29 04:09:31,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-11-29 04:09:31,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.628440366972477) internal successors, (355), 218 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) [2023-11-29 04:09:31,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions. [2023-11-29 04:09:31,485 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 21 [2023-11-29 04:09:31,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:31,486 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions. [2023-11-29 04:09:31,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:31,486 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions. [2023-11-29 04:09:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 04:09:31,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:31,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:31,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:09:31,488 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:31,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:31,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1190941133, now seen corresponding path program 1 times [2023-11-29 04:09:31,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:31,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305161292] [2023-11-29 04:09:31,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:31,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:31,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:31,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305161292] [2023-11-29 04:09:31,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305161292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:31,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:31,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:09:31,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104024119] [2023-11-29 04:09:31,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:31,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:31,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:31,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:31,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:09:31,597 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:32,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:32,584 INFO L93 Difference]: Finished difference Result 630 states and 1029 transitions. [2023-11-29 04:09:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:09:32,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-11-29 04:09:32,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:32,588 INFO L225 Difference]: With dead ends: 630 [2023-11-29 04:09:32,589 INFO L226 Difference]: Without dead ends: 412 [2023-11-29 04:09:32,590 INFO L412 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 [2023-11-29 04:09:32,592 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 186 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:32,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 144 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:09:32,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-29 04:09:32,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 410. [2023-11-29 04:09:32,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 409 states have (on average 1.4596577017114913) internal successors, (597), 409 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 597 transitions. [2023-11-29 04:09:32,622 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 597 transitions. Word has length 21 [2023-11-29 04:09:32,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:32,623 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 597 transitions. [2023-11-29 04:09:32,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:32,623 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 597 transitions. [2023-11-29 04:09:32,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 04:09:32,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:32,627 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:09:32,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:09:32,628 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:32,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:32,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1951995941, now seen corresponding path program 1 times [2023-11-29 04:09:32,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:32,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078315032] [2023-11-29 04:09:32,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:32,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:32,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078315032] [2023-11-29 04:09:32,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078315032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:32,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:32,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:09:32,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832792949] [2023-11-29 04:09:32,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:32,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:32,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:32,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:32,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:09:32,830 INFO L87 Difference]: Start difference. First operand 410 states and 597 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:33,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:33,587 INFO L93 Difference]: Finished difference Result 1208 states and 1764 transitions. [2023-11-29 04:09:33,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:09:33,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2023-11-29 04:09:33,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:33,591 INFO L225 Difference]: With dead ends: 1208 [2023-11-29 04:09:33,591 INFO L226 Difference]: Without dead ends: 799 [2023-11-29 04:09:33,593 INFO L412 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 [2023-11-29 04:09:33,594 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:33,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 118 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:09:33,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-11-29 04:09:33,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 786. [2023-11-29 04:09:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 785 states have (on average 1.3859872611464967) internal successors, (1088), 785 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1088 transitions. [2023-11-29 04:09:33,623 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1088 transitions. Word has length 89 [2023-11-29 04:09:33,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:33,624 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 1088 transitions. [2023-11-29 04:09:33,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1088 transitions. [2023-11-29 04:09:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 04:09:33,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:33,627 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:09:33,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:09:33,627 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:33,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:33,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1234958399, now seen corresponding path program 1 times [2023-11-29 04:09:33,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:33,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938595780] [2023-11-29 04:09:33,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:33,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:33,872 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:33,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:33,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938595780] [2023-11-29 04:09:33,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938595780] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:33,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:33,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:09:33,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831593568] [2023-11-29 04:09:33,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:33,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:33,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:33,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:33,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:09:33,875 INFO L87 Difference]: Start difference. First operand 786 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:34,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:34,641 INFO L93 Difference]: Finished difference Result 1941 states and 2630 transitions. [2023-11-29 04:09:34,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:09:34,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-11-29 04:09:34,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:34,648 INFO L225 Difference]: With dead ends: 1941 [2023-11-29 04:09:34,648 INFO L226 Difference]: Without dead ends: 1156 [2023-11-29 04:09:34,649 INFO L412 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 [2023-11-29 04:09:34,651 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:34,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 188 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:09:34,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2023-11-29 04:09:34,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1155. [2023-11-29 04:09:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1154 states have (on average 1.2781629116117852) internal successors, (1475), 1154 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1475 transitions. [2023-11-29 04:09:34,675 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1475 transitions. Word has length 90 [2023-11-29 04:09:34,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:34,676 INFO L495 AbstractCegarLoop]: Abstraction has 1155 states and 1475 transitions. [2023-11-29 04:09:34,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1475 transitions. [2023-11-29 04:09:34,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 04:09:34,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:34,679 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:09:34,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:09:34,679 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:34,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:34,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1920086889, now seen corresponding path program 1 times [2023-11-29 04:09:34,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:34,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173559034] [2023-11-29 04:09:34,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:34,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:34,835 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 04:09:34,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:34,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173559034] [2023-11-29 04:09:34,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173559034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:34,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:34,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:09:34,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120324505] [2023-11-29 04:09:34,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:34,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:34,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:34,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:34,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:09:34,839 INFO L87 Difference]: Start difference. First operand 1155 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:35,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:35,705 INFO L93 Difference]: Finished difference Result 2501 states and 3338 transitions. [2023-11-29 04:09:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:09:35,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 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 133 [2023-11-29 04:09:35,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:35,714 INFO L225 Difference]: With dead ends: 2501 [2023-11-29 04:09:35,714 INFO L226 Difference]: Without dead ends: 1531 [2023-11-29 04:09:35,715 INFO L412 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 [2023-11-29 04:09:35,716 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:35,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 154 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:09:35,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2023-11-29 04:09:35,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1531. [2023-11-29 04:09:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1530 states have (on average 1.2620915032679738) internal successors, (1931), 1530 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) [2023-11-29 04:09:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1931 transitions. [2023-11-29 04:09:35,744 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1931 transitions. Word has length 133 [2023-11-29 04:09:35,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:35,745 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 1931 transitions. [2023-11-29 04:09:35,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:35,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1931 transitions. [2023-11-29 04:09:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 04:09:35,748 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:35,748 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:09:35,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:09:35,748 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:35,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:35,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1963595940, now seen corresponding path program 1 times [2023-11-29 04:09:35,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:35,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462215841] [2023-11-29 04:09:35,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:35,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:35,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:35,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462215841] [2023-11-29 04:09:35,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462215841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:35,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:35,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:09:35,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346719176] [2023-11-29 04:09:35,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:35,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:35,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:35,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:35,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:09:35,921 INFO L87 Difference]: Start difference. First operand 1531 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:36,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:36,772 INFO L93 Difference]: Finished difference Result 3643 states and 4737 transitions. [2023-11-29 04:09:36,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:09:36,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2023-11-29 04:09:36,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:36,783 INFO L225 Difference]: With dead ends: 3643 [2023-11-29 04:09:36,783 INFO L226 Difference]: Without dead ends: 2297 [2023-11-29 04:09:36,785 INFO L412 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 [2023-11-29 04:09:36,786 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 213 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:36,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 319 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:09:36,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2023-11-29 04:09:36,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2294. [2023-11-29 04:09:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2294 states, 2293 states have (on average 1.2655909289140863) internal successors, (2902), 2293 states have internal predecessors, (2902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 2294 states and 2902 transitions. [2023-11-29 04:09:36,830 INFO L78 Accepts]: Start accepts. Automaton has 2294 states and 2902 transitions. Word has length 148 [2023-11-29 04:09:36,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:36,831 INFO L495 AbstractCegarLoop]: Abstraction has 2294 states and 2902 transitions. [2023-11-29 04:09:36,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2902 transitions. [2023-11-29 04:09:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-29 04:09:36,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:36,836 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:09:36,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:09:36,836 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:36,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:36,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1914825665, now seen corresponding path program 1 times [2023-11-29 04:09:36,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:36,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280235679] [2023-11-29 04:09:36,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:36,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:37,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:37,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280235679] [2023-11-29 04:09:37,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280235679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:37,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:37,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:09:37,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128037103] [2023-11-29 04:09:37,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:37,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:37,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:37,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:37,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:09:37,088 INFO L87 Difference]: Start difference. First operand 2294 states and 2902 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:37,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:37,909 INFO L93 Difference]: Finished difference Result 5527 states and 7094 transitions. [2023-11-29 04:09:37,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:09:37,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 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 201 [2023-11-29 04:09:37,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:37,928 INFO L225 Difference]: With dead ends: 5527 [2023-11-29 04:09:37,928 INFO L226 Difference]: Without dead ends: 3418 [2023-11-29 04:09:37,931 INFO L412 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 [2023-11-29 04:09:37,932 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 136 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:37,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 337 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:09:37,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3418 states. [2023-11-29 04:09:38,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3418 to 3217. [2023-11-29 04:09:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3217 states, 3216 states have (on average 1.2378731343283582) internal successors, (3981), 3216 states have internal predecessors, (3981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:38,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 3217 states and 3981 transitions. [2023-11-29 04:09:38,032 INFO L78 Accepts]: Start accepts. Automaton has 3217 states and 3981 transitions. Word has length 201 [2023-11-29 04:09:38,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:38,032 INFO L495 AbstractCegarLoop]: Abstraction has 3217 states and 3981 transitions. [2023-11-29 04:09:38,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3981 transitions. [2023-11-29 04:09:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-29 04:09:38,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:38,037 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:38,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:09:38,037 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:38,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:38,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1907730341, now seen corresponding path program 1 times [2023-11-29 04:09:38,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:38,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663356154] [2023-11-29 04:09:38,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:38,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-29 04:09:38,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:38,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663356154] [2023-11-29 04:09:38,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663356154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:38,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:38,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:09:38,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286142807] [2023-11-29 04:09:38,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:38,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:38,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:38,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:38,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:09:38,367 INFO L87 Difference]: Start difference. First operand 3217 states and 3981 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:39,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:39,170 INFO L93 Difference]: Finished difference Result 7370 states and 9142 transitions. [2023-11-29 04:09:39,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:09:39,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 202 [2023-11-29 04:09:39,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:39,188 INFO L225 Difference]: With dead ends: 7370 [2023-11-29 04:09:39,188 INFO L226 Difference]: Without dead ends: 4154 [2023-11-29 04:09:39,191 INFO L412 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 [2023-11-29 04:09:39,192 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 180 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:39,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 342 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:09:39,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4154 states. [2023-11-29 04:09:39,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4154 to 4137. [2023-11-29 04:09:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4137 states, 4136 states have (on average 1.2212282398452612) internal successors, (5051), 4136 states have internal predecessors, (5051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 4137 states and 5051 transitions. [2023-11-29 04:09:39,257 INFO L78 Accepts]: Start accepts. Automaton has 4137 states and 5051 transitions. Word has length 202 [2023-11-29 04:09:39,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:39,257 INFO L495 AbstractCegarLoop]: Abstraction has 4137 states and 5051 transitions. [2023-11-29 04:09:39,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:39,258 INFO L276 IsEmpty]: Start isEmpty. Operand 4137 states and 5051 transitions. [2023-11-29 04:09:39,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-29 04:09:39,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:39,260 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:39,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:09:39,260 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:39,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:39,261 INFO L85 PathProgramCache]: Analyzing trace with hash 87428444, now seen corresponding path program 1 times [2023-11-29 04:09:39,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:39,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822947582] [2023-11-29 04:09:39,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:39,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-29 04:09:39,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:39,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822947582] [2023-11-29 04:09:39,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822947582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:39,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:39,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:09:39,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342601903] [2023-11-29 04:09:39,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:39,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:39,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:39,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:39,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:09:39,413 INFO L87 Difference]: Start difference. First operand 4137 states and 5051 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:40,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:40,256 INFO L93 Difference]: Finished difference Result 9206 states and 11352 transitions. [2023-11-29 04:09:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:09:40,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 203 [2023-11-29 04:09:40,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:40,281 INFO L225 Difference]: With dead ends: 9206 [2023-11-29 04:09:40,281 INFO L226 Difference]: Without dead ends: 5070 [2023-11-29 04:09:40,286 INFO L412 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 [2023-11-29 04:09:40,286 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 175 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:40,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 376 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:09:40,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5070 states. [2023-11-29 04:09:40,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5070 to 4873. [2023-11-29 04:09:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4873 states, 4872 states have (on average 1.208743842364532) internal successors, (5889), 4872 states have internal predecessors, (5889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:40,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 5889 transitions. [2023-11-29 04:09:40,391 INFO L78 Accepts]: Start accepts. Automaton has 4873 states and 5889 transitions. Word has length 203 [2023-11-29 04:09:40,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:40,391 INFO L495 AbstractCegarLoop]: Abstraction has 4873 states and 5889 transitions. [2023-11-29 04:09:40,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:40,391 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 5889 transitions. [2023-11-29 04:09:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-29 04:09:40,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:40,395 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:40,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:09:40,395 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:40,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:40,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1885450602, now seen corresponding path program 1 times [2023-11-29 04:09:40,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:40,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264151415] [2023-11-29 04:09:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:40,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:40,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:40,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264151415] [2023-11-29 04:09:40,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264151415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:40,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:40,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:09:40,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905011958] [2023-11-29 04:09:40,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:40,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:09:40,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:40,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:09:40,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:09:40,711 INFO L87 Difference]: Start difference. First operand 4873 states and 5889 transitions. Second operand has 4 states, 4 states have (on average 55.75) internal successors, (223), 4 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:42,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:42,209 INFO L93 Difference]: Finished difference Result 15869 states and 19334 transitions. [2023-11-29 04:09:42,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:09:42,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.75) internal successors, (223), 4 states have internal predecessors, (223), 0 states have call successors, (0), 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 223 [2023-11-29 04:09:42,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:42,249 INFO L225 Difference]: With dead ends: 15869 [2023-11-29 04:09:42,250 INFO L226 Difference]: Without dead ends: 10997 [2023-11-29 04:09:42,255 INFO L412 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 [2023-11-29 04:09:42,256 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 312 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:42,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 190 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 04:09:42,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10997 states. [2023-11-29 04:09:42,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10997 to 8952. [2023-11-29 04:09:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8952 states, 8951 states have (on average 1.190816668528656) internal successors, (10659), 8951 states have internal predecessors, (10659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8952 states to 8952 states and 10659 transitions. [2023-11-29 04:09:42,401 INFO L78 Accepts]: Start accepts. Automaton has 8952 states and 10659 transitions. Word has length 223 [2023-11-29 04:09:42,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:42,401 INFO L495 AbstractCegarLoop]: Abstraction has 8952 states and 10659 transitions. [2023-11-29 04:09:42,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.75) internal successors, (223), 4 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:42,402 INFO L276 IsEmpty]: Start isEmpty. Operand 8952 states and 10659 transitions. [2023-11-29 04:09:42,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-29 04:09:42,407 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:42,408 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:42,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:09:42,408 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:42,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1372216911, now seen corresponding path program 1 times [2023-11-29 04:09:42,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:42,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060917117] [2023-11-29 04:09:42,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:42,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:42,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:42,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060917117] [2023-11-29 04:09:42,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060917117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:42,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:42,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:09:42,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416650043] [2023-11-29 04:09:42,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:42,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:09:42,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:42,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:09:42,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:09:42,887 INFO L87 Difference]: Start difference. First operand 8952 states and 10659 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:44,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:44,368 INFO L93 Difference]: Finished difference Result 22714 states and 27383 transitions. [2023-11-29 04:09:44,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:09:44,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2023-11-29 04:09:44,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:44,396 INFO L225 Difference]: With dead ends: 22714 [2023-11-29 04:09:44,396 INFO L226 Difference]: Without dead ends: 13763 [2023-11-29 04:09:44,404 INFO L412 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 [2023-11-29 04:09:44,405 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 323 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:44,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 121 Invalid, 1388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 04:09:44,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13763 states. [2023-11-29 04:09:44,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13763 to 13377. [2023-11-29 04:09:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13377 states, 13376 states have (on average 1.192209928229665) internal successors, (15947), 13376 states have internal predecessors, (15947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:44,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13377 states to 13377 states and 15947 transitions. [2023-11-29 04:09:44,566 INFO L78 Accepts]: Start accepts. Automaton has 13377 states and 15947 transitions. Word has length 233 [2023-11-29 04:09:44,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:44,567 INFO L495 AbstractCegarLoop]: Abstraction has 13377 states and 15947 transitions. [2023-11-29 04:09:44,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:44,567 INFO L276 IsEmpty]: Start isEmpty. Operand 13377 states and 15947 transitions. [2023-11-29 04:09:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-29 04:09:44,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:44,570 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:44,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:09:44,571 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:44,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:44,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1107744293, now seen corresponding path program 1 times [2023-11-29 04:09:44,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:44,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711223547] [2023-11-29 04:09:44,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:44,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:45,363 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 101 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:45,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:45,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711223547] [2023-11-29 04:09:45,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711223547] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:09:45,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914955848] [2023-11-29 04:09:45,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:45,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:09:45,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:09:45,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:09:45,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:09:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:45,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 04:09:45,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:09:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:46,471 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:09:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:47,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914955848] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:09:47,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:09:47,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-29 04:09:47,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050443391] [2023-11-29 04:09:47,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:09:47,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:09:47,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:47,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:09:47,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:09:47,773 INFO L87 Difference]: Start difference. First operand 13377 states and 15947 transitions. Second operand has 11 states, 11 states have (on average 34.27272727272727) internal successors, (377), 10 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:51,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:51,341 INFO L93 Difference]: Finished difference Result 28483 states and 34221 transitions. [2023-11-29 04:09:51,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:09:51,341 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 34.27272727272727) internal successors, (377), 10 states have internal predecessors, (377), 0 states have call successors, (0), 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 235 [2023-11-29 04:09:51,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:51,365 INFO L225 Difference]: With dead ends: 28483 [2023-11-29 04:09:51,365 INFO L226 Difference]: Without dead ends: 15095 [2023-11-29 04:09:51,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2023-11-29 04:09:51,375 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 1758 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 4635 mSolverCounterSat, 673 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 5308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 673 IncrementalHoareTripleChecker+Valid, 4635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:51,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 149 Invalid, 5308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [673 Valid, 4635 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 04:09:51,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15095 states. [2023-11-29 04:09:51,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15095 to 13529. [2023-11-29 04:09:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13529 states, 13528 states have (on average 1.1665434654050857) internal successors, (15781), 13528 states have internal predecessors, (15781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13529 states to 13529 states and 15781 transitions. [2023-11-29 04:09:51,591 INFO L78 Accepts]: Start accepts. Automaton has 13529 states and 15781 transitions. Word has length 235 [2023-11-29 04:09:51,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:51,592 INFO L495 AbstractCegarLoop]: Abstraction has 13529 states and 15781 transitions. [2023-11-29 04:09:51,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 34.27272727272727) internal successors, (377), 10 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 13529 states and 15781 transitions. [2023-11-29 04:09:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-29 04:09:51,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:51,599 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:51,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:09:51,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 04:09:51,800 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:51,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:51,801 INFO L85 PathProgramCache]: Analyzing trace with hash -606487297, now seen corresponding path program 1 times [2023-11-29 04:09:51,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:51,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692780806] [2023-11-29 04:09:51,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:51,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 95 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:52,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:52,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692780806] [2023-11-29 04:09:52,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692780806] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:09:52,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504864329] [2023-11-29 04:09:52,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:52,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:09:52,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:09:52,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:09:52,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:09:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:52,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:09:52,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:09:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:52,970 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:09:52,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504864329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:52,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:09:52,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 04:09:52,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23770117] [2023-11-29 04:09:52,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:52,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:09:52,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:52,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:09:52,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:09:52,972 INFO L87 Difference]: Start difference. First operand 13529 states and 15781 transitions. Second operand has 4 states, 4 states have (on average 63.5) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:53,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:53,988 INFO L93 Difference]: Finished difference Result 27245 states and 31761 transitions. [2023-11-29 04:09:53,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:09:53,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.5) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 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 254 [2023-11-29 04:09:53,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:54,006 INFO L225 Difference]: With dead ends: 27245 [2023-11-29 04:09:54,007 INFO L226 Difference]: Without dead ends: 13717 [2023-11-29 04:09:54,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:09:54,018 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 171 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:54,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 161 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:09:54,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13717 states. [2023-11-29 04:09:54,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13717 to 13529. [2023-11-29 04:09:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13529 states, 13528 states have (on average 1.1652128917800118) internal successors, (15763), 13528 states have internal predecessors, (15763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13529 states to 13529 states and 15763 transitions. [2023-11-29 04:09:54,189 INFO L78 Accepts]: Start accepts. Automaton has 13529 states and 15763 transitions. Word has length 254 [2023-11-29 04:09:54,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:54,189 INFO L495 AbstractCegarLoop]: Abstraction has 13529 states and 15763 transitions. [2023-11-29 04:09:54,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.5) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:54,190 INFO L276 IsEmpty]: Start isEmpty. Operand 13529 states and 15763 transitions. [2023-11-29 04:09:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-29 04:09:54,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:54,196 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2023-11-29 04:09:54,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:09:54,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 04:09:54,397 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:54,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:54,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2012976343, now seen corresponding path program 1 times [2023-11-29 04:09:54,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:54,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381696640] [2023-11-29 04:09:54,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:54,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-29 04:09:54,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:54,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381696640] [2023-11-29 04:09:54,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381696640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:54,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:54,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:09:54,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621394655] [2023-11-29 04:09:54,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:54,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:54,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:54,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:54,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:09:54,614 INFO L87 Difference]: Start difference. First operand 13529 states and 15763 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:55,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:55,273 INFO L93 Difference]: Finished difference Result 25731 states and 30044 transitions. [2023-11-29 04:09:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:09:55,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 270 [2023-11-29 04:09:55,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:55,282 INFO L225 Difference]: With dead ends: 25731 [2023-11-29 04:09:55,282 INFO L226 Difference]: Without dead ends: 12203 [2023-11-29 04:09:55,290 INFO L412 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 [2023-11-29 04:09:55,290 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 167 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:55,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 130 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:09:55,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12203 states. [2023-11-29 04:09:55,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12203 to 10912. [2023-11-29 04:09:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10912 states, 10911 states have (on average 1.119879021171295) internal successors, (12219), 10911 states have internal predecessors, (12219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10912 states to 10912 states and 12219 transitions. [2023-11-29 04:09:55,460 INFO L78 Accepts]: Start accepts. Automaton has 10912 states and 12219 transitions. Word has length 270 [2023-11-29 04:09:55,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:55,460 INFO L495 AbstractCegarLoop]: Abstraction has 10912 states and 12219 transitions. [2023-11-29 04:09:55,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:55,461 INFO L276 IsEmpty]: Start isEmpty. Operand 10912 states and 12219 transitions. [2023-11-29 04:09:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-11-29 04:09:55,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:55,467 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2023-11-29 04:09:55,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:09:55,467 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:55,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:55,468 INFO L85 PathProgramCache]: Analyzing trace with hash 835990182, now seen corresponding path program 1 times [2023-11-29 04:09:55,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:55,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142309165] [2023-11-29 04:09:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:55,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 216 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:09:56,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:56,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142309165] [2023-11-29 04:09:56,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142309165] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:09:56,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005240936] [2023-11-29 04:09:56,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:56,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:09:56,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:09:56,163 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:09:56,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:09:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:56,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:09:56,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:09:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-29 04:09:56,550 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:09:56,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005240936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:56,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:09:56,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 04:09:56,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353848879] [2023-11-29 04:09:56,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:56,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:56,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:56,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:56,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:09:56,552 INFO L87 Difference]: Start difference. First operand 10912 states and 12219 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:57,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:57,144 INFO L93 Difference]: Finished difference Result 22195 states and 24829 transitions. [2023-11-29 04:09:57,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:09:57,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 292 [2023-11-29 04:09:57,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:57,152 INFO L225 Difference]: With dead ends: 22195 [2023-11-29 04:09:57,153 INFO L226 Difference]: Without dead ends: 11100 [2023-11-29 04:09:57,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:09:57,159 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 98 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:57,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 358 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 04:09:57,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11100 states. [2023-11-29 04:09:57,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11100 to 10728. [2023-11-29 04:09:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10728 states, 10727 states have (on average 1.1189521767502564) internal successors, (12003), 10727 states have internal predecessors, (12003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:57,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10728 states to 10728 states and 12003 transitions. [2023-11-29 04:09:57,268 INFO L78 Accepts]: Start accepts. Automaton has 10728 states and 12003 transitions. Word has length 292 [2023-11-29 04:09:57,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:57,269 INFO L495 AbstractCegarLoop]: Abstraction has 10728 states and 12003 transitions. [2023-11-29 04:09:57,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:57,269 INFO L276 IsEmpty]: Start isEmpty. Operand 10728 states and 12003 transitions. [2023-11-29 04:09:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-11-29 04:09:57,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:57,276 INFO L195 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-29 04:09:57,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 04:09:57,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 04:09:57,476 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:57,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:57,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1925932158, now seen corresponding path program 1 times [2023-11-29 04:09:57,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:57,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016907554] [2023-11-29 04:09:57,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:57,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:57,924 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 04:09:57,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:57,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016907554] [2023-11-29 04:09:57,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016907554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:57,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:57,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:09:57,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511519652] [2023-11-29 04:09:57,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:57,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:09:57,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:57,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:09:57,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:09:57,927 INFO L87 Difference]: Start difference. First operand 10728 states and 12003 transitions. Second operand has 4 states, 4 states have (on average 56.25) internal successors, (225), 4 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:59,248 INFO L93 Difference]: Finished difference Result 26253 states and 29360 transitions. [2023-11-29 04:09:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:09:59,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.25) internal successors, (225), 4 states have internal predecessors, (225), 0 states have call successors, (0), 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 308 [2023-11-29 04:09:59,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:59,258 INFO L225 Difference]: With dead ends: 26253 [2023-11-29 04:09:59,258 INFO L226 Difference]: Without dead ends: 15342 [2023-11-29 04:09:59,262 INFO L412 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 [2023-11-29 04:09:59,263 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 340 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:59,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 67 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 04:09:59,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15342 states. [2023-11-29 04:09:59,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15342 to 14230. [2023-11-29 04:09:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14230 states, 14229 states have (on average 1.1139222714175276) internal successors, (15850), 14229 states have internal predecessors, (15850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14230 states to 14230 states and 15850 transitions. [2023-11-29 04:09:59,412 INFO L78 Accepts]: Start accepts. Automaton has 14230 states and 15850 transitions. Word has length 308 [2023-11-29 04:09:59,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:59,412 INFO L495 AbstractCegarLoop]: Abstraction has 14230 states and 15850 transitions. [2023-11-29 04:09:59,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.25) internal successors, (225), 4 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:09:59,412 INFO L276 IsEmpty]: Start isEmpty. Operand 14230 states and 15850 transitions. [2023-11-29 04:09:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2023-11-29 04:09:59,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:59,417 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:59,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:09:59,417 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:59,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:59,418 INFO L85 PathProgramCache]: Analyzing trace with hash -424114850, now seen corresponding path program 1 times [2023-11-29 04:09:59,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:59,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105306594] [2023-11-29 04:09:59,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:59,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-29 04:09:59,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:59,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105306594] [2023-11-29 04:09:59,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105306594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:59,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:59,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:09:59,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955956487] [2023-11-29 04:09:59,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:59,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:59,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:59,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:59,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:09:59,670 INFO L87 Difference]: Start difference. First operand 14230 states and 15850 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:00,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:10:00,362 INFO L93 Difference]: Finished difference Result 30492 states and 33969 transitions. [2023-11-29 04:10:00,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:10:00,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 319 [2023-11-29 04:10:00,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:10:00,376 INFO L225 Difference]: With dead ends: 30492 [2023-11-29 04:10:00,376 INFO L226 Difference]: Without dead ends: 16263 [2023-11-29 04:10:00,383 INFO L412 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 [2023-11-29 04:10:00,383 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 194 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:10:00,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 117 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:10:00,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16263 states. [2023-11-29 04:10:00,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16263 to 14042. [2023-11-29 04:10:00,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14042 states, 14041 states have (on average 1.1135246777295065) internal successors, (15635), 14041 states have internal predecessors, (15635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:00,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14042 states to 14042 states and 15635 transitions. [2023-11-29 04:10:00,605 INFO L78 Accepts]: Start accepts. Automaton has 14042 states and 15635 transitions. Word has length 319 [2023-11-29 04:10:00,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:10:00,606 INFO L495 AbstractCegarLoop]: Abstraction has 14042 states and 15635 transitions. [2023-11-29 04:10:00,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:00,606 INFO L276 IsEmpty]: Start isEmpty. Operand 14042 states and 15635 transitions. [2023-11-29 04:10:00,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-11-29 04:10:00,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:10:00,610 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 04:10:00,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 04:10:00,611 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:10:00,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:10:00,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1393816768, now seen corresponding path program 1 times [2023-11-29 04:10:00,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:10:00,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170284317] [2023-11-29 04:10:00,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:10:00,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:10:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-11-29 04:10:00,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:10:00,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170284317] [2023-11-29 04:10:00,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170284317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:10:00,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:10:00,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:10:00,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828992417] [2023-11-29 04:10:00,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:10:00,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:10:00,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:10:00,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:10:00,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:10:00,754 INFO L87 Difference]: Start difference. First operand 14042 states and 15635 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:01,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:10:01,425 INFO L93 Difference]: Finished difference Result 29187 states and 32491 transitions. [2023-11-29 04:10:01,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:10:01,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 326 [2023-11-29 04:10:01,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:10:01,436 INFO L225 Difference]: With dead ends: 29187 [2023-11-29 04:10:01,436 INFO L226 Difference]: Without dead ends: 15146 [2023-11-29 04:10:01,443 INFO L412 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 [2023-11-29 04:10:01,444 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 189 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:10:01,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 108 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:10:01,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15146 states. [2023-11-29 04:10:01,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15146 to 13116. [2023-11-29 04:10:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13116 states, 13115 states have (on average 1.1124666412504765) internal successors, (14590), 13115 states have internal predecessors, (14590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13116 states to 13116 states and 14590 transitions. [2023-11-29 04:10:01,667 INFO L78 Accepts]: Start accepts. Automaton has 13116 states and 14590 transitions. Word has length 326 [2023-11-29 04:10:01,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:10:01,668 INFO L495 AbstractCegarLoop]: Abstraction has 13116 states and 14590 transitions. [2023-11-29 04:10:01,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:01,668 INFO L276 IsEmpty]: Start isEmpty. Operand 13116 states and 14590 transitions. [2023-11-29 04:10:01,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2023-11-29 04:10:01,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:10:01,676 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 04:10:01,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 04:10:01,676 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:10:01,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:10:01,677 INFO L85 PathProgramCache]: Analyzing trace with hash -730902534, now seen corresponding path program 1 times [2023-11-29 04:10:01,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:10:01,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208619526] [2023-11-29 04:10:01,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:10:01,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:10:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-29 04:10:01,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:10:01,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208619526] [2023-11-29 04:10:01,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208619526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:10:01,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:10:01,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:10:01,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343130623] [2023-11-29 04:10:01,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:10:01,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:10:01,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:10:01,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:10:01,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:10:01,900 INFO L87 Difference]: Start difference. First operand 13116 states and 14590 transitions. Second operand has 4 states, 4 states have (on average 82.25) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:03,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:10:03,084 INFO L93 Difference]: Finished difference Result 34707 states and 38541 transitions. [2023-11-29 04:10:03,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:10:03,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.25) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 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 348 [2023-11-29 04:10:03,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:10:03,098 INFO L225 Difference]: With dead ends: 34707 [2023-11-29 04:10:03,098 INFO L226 Difference]: Without dead ends: 21224 [2023-11-29 04:10:03,103 INFO L412 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 [2023-11-29 04:10:03,104 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 189 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:10:03,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 60 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 04:10:03,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21224 states. [2023-11-29 04:10:03,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21224 to 21036. [2023-11-29 04:10:03,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21036 states, 21035 states have (on average 1.1072498217256952) internal successors, (23291), 21035 states have internal predecessors, (23291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21036 states to 21036 states and 23291 transitions. [2023-11-29 04:10:03,296 INFO L78 Accepts]: Start accepts. Automaton has 21036 states and 23291 transitions. Word has length 348 [2023-11-29 04:10:03,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:10:03,296 INFO L495 AbstractCegarLoop]: Abstraction has 21036 states and 23291 transitions. [2023-11-29 04:10:03,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.25) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:03,297 INFO L276 IsEmpty]: Start isEmpty. Operand 21036 states and 23291 transitions. [2023-11-29 04:10:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-11-29 04:10:03,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:10:03,306 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 04:10:03,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 04:10:03,306 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:10:03,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:10:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash 426084589, now seen corresponding path program 1 times [2023-11-29 04:10:03,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:10:03,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313206845] [2023-11-29 04:10:03,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:10:03,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:10:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-11-29 04:10:03,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:10:03,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313206845] [2023-11-29 04:10:03,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313206845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:10:03,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:10:03,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:10:03,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618487296] [2023-11-29 04:10:03,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:10:03,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:10:03,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:10:03,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:10:03,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:10:03,577 INFO L87 Difference]: Start difference. First operand 21036 states and 23291 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:04,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:10:04,239 INFO L93 Difference]: Finished difference Result 42252 states and 46776 transitions. [2023-11-29 04:10:04,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:10:04,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 384 [2023-11-29 04:10:04,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:10:04,257 INFO L225 Difference]: With dead ends: 42252 [2023-11-29 04:10:04,257 INFO L226 Difference]: Without dead ends: 24163 [2023-11-29 04:10:04,264 INFO L412 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 [2023-11-29 04:10:04,265 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 196 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:10:04,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 126 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:10:04,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24163 states. [2023-11-29 04:10:04,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24163 to 15695. [2023-11-29 04:10:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15695 states, 15694 states have (on average 1.1086402446794954) internal successors, (17399), 15694 states have internal predecessors, (17399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15695 states to 15695 states and 17399 transitions. [2023-11-29 04:10:04,482 INFO L78 Accepts]: Start accepts. Automaton has 15695 states and 17399 transitions. Word has length 384 [2023-11-29 04:10:04,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:10:04,483 INFO L495 AbstractCegarLoop]: Abstraction has 15695 states and 17399 transitions. [2023-11-29 04:10:04,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 15695 states and 17399 transitions. [2023-11-29 04:10:04,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2023-11-29 04:10:04,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:10:04,492 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:10:04,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 04:10:04,492 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:10:04,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:10:04,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1269958743, now seen corresponding path program 1 times [2023-11-29 04:10:04,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:10:04,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620816686] [2023-11-29 04:10:04,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:10:04,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:10:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2023-11-29 04:10:04,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:10:04,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620816686] [2023-11-29 04:10:04,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620816686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:10:04,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:10:04,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:10:04,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145138295] [2023-11-29 04:10:04,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:10:04,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:10:04,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:10:04,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:10:04,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:10:04,953 INFO L87 Difference]: Start difference. First operand 15695 states and 17399 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:05,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:10:05,698 INFO L93 Difference]: Finished difference Result 30852 states and 34230 transitions. [2023-11-29 04:10:05,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:10:05,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 437 [2023-11-29 04:10:05,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:10:05,711 INFO L225 Difference]: With dead ends: 30852 [2023-11-29 04:10:05,711 INFO L226 Difference]: Without dead ends: 15526 [2023-11-29 04:10:05,718 INFO L412 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 [2023-11-29 04:10:05,719 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 111 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:10:05,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 144 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:10:05,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15526 states. [2023-11-29 04:10:05,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15526 to 14407. [2023-11-29 04:10:05,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14407 states, 14406 states have (on average 1.1028738025822573) internal successors, (15888), 14406 states have internal predecessors, (15888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:05,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14407 states to 14407 states and 15888 transitions. [2023-11-29 04:10:05,907 INFO L78 Accepts]: Start accepts. Automaton has 14407 states and 15888 transitions. Word has length 437 [2023-11-29 04:10:05,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:10:05,908 INFO L495 AbstractCegarLoop]: Abstraction has 14407 states and 15888 transitions. [2023-11-29 04:10:05,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 14407 states and 15888 transitions. [2023-11-29 04:10:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2023-11-29 04:10:05,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:10:05,923 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:10:05,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 04:10:05,924 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:10:05,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:10:05,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1761152921, now seen corresponding path program 1 times [2023-11-29 04:10:05,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:10:05,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983525400] [2023-11-29 04:10:05,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:10:05,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:10:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:06,742 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-29 04:10:06,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:10:06,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983525400] [2023-11-29 04:10:06,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983525400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:10:06,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:10:06,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:10:06,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139256395] [2023-11-29 04:10:06,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:10:06,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:10:06,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:10:06,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:10:06,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:10:06,745 INFO L87 Difference]: Start difference. First operand 14407 states and 15888 transitions. Second operand has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:08,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:10:08,518 INFO L93 Difference]: Finished difference Result 34172 states and 37670 transitions. [2023-11-29 04:10:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:10:08,519 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 0 states have call successors, (0), 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 486 [2023-11-29 04:10:08,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:10:08,532 INFO L225 Difference]: With dead ends: 34172 [2023-11-29 04:10:08,532 INFO L226 Difference]: Without dead ends: 19950 [2023-11-29 04:10:08,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:10:08,537 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 377 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 2077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:10:08,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 99 Invalid, 2077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1791 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 04:10:08,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19950 states. [2023-11-29 04:10:08,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19950 to 16062. [2023-11-29 04:10:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16062 states, 16061 states have (on average 1.09887304651018) internal successors, (17649), 16061 states have internal predecessors, (17649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16062 states to 16062 states and 17649 transitions. [2023-11-29 04:10:08,741 INFO L78 Accepts]: Start accepts. Automaton has 16062 states and 17649 transitions. Word has length 486 [2023-11-29 04:10:08,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:10:08,742 INFO L495 AbstractCegarLoop]: Abstraction has 16062 states and 17649 transitions. [2023-11-29 04:10:08,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 16062 states and 17649 transitions. [2023-11-29 04:10:08,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2023-11-29 04:10:08,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:10:08,753 INFO L195 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-29 04:10:08,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 04:10:08,753 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:10:08,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:10:08,754 INFO L85 PathProgramCache]: Analyzing trace with hash -333210499, now seen corresponding path program 1 times [2023-11-29 04:10:08,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:10:08,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660527075] [2023-11-29 04:10:08,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:10:08,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:10:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-29 04:10:09,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:10:09,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660527075] [2023-11-29 04:10:09,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660527075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:10:09,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:10:09,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:10:09,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385181476] [2023-11-29 04:10:09,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:10:09,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:10:09,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:10:09,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:10:09,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:10:09,471 INFO L87 Difference]: Start difference. First operand 16062 states and 17649 transitions. Second operand has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:10,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:10:10,991 INFO L93 Difference]: Finished difference Result 33421 states and 36704 transitions. [2023-11-29 04:10:10,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:10:10,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 0 states have call successors, (0), 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 490 [2023-11-29 04:10:10,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:10:11,003 INFO L225 Difference]: With dead ends: 33421 [2023-11-29 04:10:11,004 INFO L226 Difference]: Without dead ends: 17544 [2023-11-29 04:10:11,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:10:11,011 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 384 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:10:11,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 62 Invalid, 1666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 04:10:11,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17544 states. [2023-11-29 04:10:11,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17544 to 11453. [2023-11-29 04:10:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11453 states, 11452 states have (on average 1.0977121900104785) internal successors, (12571), 11452 states have internal predecessors, (12571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11453 states to 11453 states and 12571 transitions. [2023-11-29 04:10:11,137 INFO L78 Accepts]: Start accepts. Automaton has 11453 states and 12571 transitions. Word has length 490 [2023-11-29 04:10:11,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:10:11,137 INFO L495 AbstractCegarLoop]: Abstraction has 11453 states and 12571 transitions. [2023-11-29 04:10:11,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 11453 states and 12571 transitions. [2023-11-29 04:10:11,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2023-11-29 04:10:11,145 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:10:11,145 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 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] [2023-11-29 04:10:11,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 04:10:11,146 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:10:11,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:10:11,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1888315402, now seen corresponding path program 1 times [2023-11-29 04:10:11,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:10:11,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075054444] [2023-11-29 04:10:11,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:10:11,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:10:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2023-11-29 04:10:11,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:10:11,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075054444] [2023-11-29 04:10:11,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075054444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:10:11,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:10:11,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:10:11,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27234133] [2023-11-29 04:10:11,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:10:11,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:10:11,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:10:11,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:10:11,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:10:11,455 INFO L87 Difference]: Start difference. First operand 11453 states and 12571 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:12,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:10:12,215 INFO L93 Difference]: Finished difference Result 24376 states and 26714 transitions. [2023-11-29 04:10:12,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:10:12,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 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 588 [2023-11-29 04:10:12,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:10:12,227 INFO L225 Difference]: With dead ends: 24376 [2023-11-29 04:10:12,228 INFO L226 Difference]: Without dead ends: 11818 [2023-11-29 04:10:12,235 INFO L412 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 [2023-11-29 04:10:12,235 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 192 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:10:12,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 318 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:10:12,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11818 states. [2023-11-29 04:10:12,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11818 to 11450. [2023-11-29 04:10:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11450 states, 11449 states have (on average 1.0831513669316097) internal successors, (12401), 11449 states have internal predecessors, (12401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11450 states to 11450 states and 12401 transitions. [2023-11-29 04:10:12,394 INFO L78 Accepts]: Start accepts. Automaton has 11450 states and 12401 transitions. Word has length 588 [2023-11-29 04:10:12,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:10:12,395 INFO L495 AbstractCegarLoop]: Abstraction has 11450 states and 12401 transitions. [2023-11-29 04:10:12,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:12,395 INFO L276 IsEmpty]: Start isEmpty. Operand 11450 states and 12401 transitions. [2023-11-29 04:10:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2023-11-29 04:10:12,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:10:12,409 INFO L195 NwaCegarLoop]: trace histogram [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, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2023-11-29 04:10:12,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 04:10:12,410 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:10:12,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:10:12,411 INFO L85 PathProgramCache]: Analyzing trace with hash -952733769, now seen corresponding path program 1 times [2023-11-29 04:10:12,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:10:12,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729775334] [2023-11-29 04:10:12,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:10:12,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:10:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 948 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2023-11-29 04:10:12,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:10:12,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729775334] [2023-11-29 04:10:12,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729775334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:10:12,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:10:12,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:10:12,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188764020] [2023-11-29 04:10:12,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:10:12,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:10:12,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:10:12,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:10:12,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:10:12,722 INFO L87 Difference]: Start difference. First operand 11450 states and 12401 transitions. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:13,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:10:13,329 INFO L93 Difference]: Finished difference Result 23263 states and 25169 transitions. [2023-11-29 04:10:13,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:10:13,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 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 702 [2023-11-29 04:10:13,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:10:13,331 INFO L225 Difference]: With dead ends: 23263 [2023-11-29 04:10:13,331 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:10:13,336 INFO L412 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 [2023-11-29 04:10:13,336 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 60 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:10:13,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 91 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 04:10:13,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:10:13,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:10:13,337 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) [2023-11-29 04:10:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:10:13,337 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 702 [2023-11-29 04:10:13,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:10:13,338 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:10:13,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:10:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:10:13,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:10:13,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:10:13,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 04:10:13,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:10:20,227 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-11-29 04:10:20,227 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,227 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-11-29 04:10:20,227 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,227 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,227 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,227 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,227 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,228 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,228 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,228 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,228 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,228 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,228 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,228 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,228 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,228 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,228 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,228 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,229 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,229 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-11-29 04:10:20,229 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-11-29 04:10:20,229 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,229 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,229 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,229 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,229 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,229 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,230 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,230 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,230 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,230 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,230 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-11-29 04:10:20,230 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-11-29 04:10:20,230 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,230 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,230 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,231 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,231 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,231 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,231 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed. [2023-11-29 04:10:20,231 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,231 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,231 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,231 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,231 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,232 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,232 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,232 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,232 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,232 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,232 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,232 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,232 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,232 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,232 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,232 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,233 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,233 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse10 (<= 278 ~a29~0)) (.cse2 (= ~a3~0 1)) (.cse11 (= ~a4~0 1)) (.cse4 (= ~a8~0 15))) (let ((.cse12 (= ~a25~0 11)) (.cse21 (and .cse10 .cse2 .cse11 (<= ~a25~0 9) .cse4)) (.cse20 (= ~a25~0 12))) (let ((.cse0 (<= ~a29~0 140)) (.cse8 (or (= ~a25~0 13) .cse20)) (.cse7 (<= (+ ~a29~0 21) 0)) (.cse19 (<= ~a29~0 275)) (.cse18 (<= ~a29~0 245)) (.cse15 (or (and .cse12 .cse10 .cse2 .cse11 .cse4) .cse21)) (.cse3 (<= ~a23~0 138)) (.cse5 (<= 0 (+ ~a23~0 42))) (.cse17 (<= 307 ~a23~0)) (.cse14 (<= ~a29~0 599999)) (.cse6 (= ~a25~0 10)) (.cse9 (<= ~a29~0 384312)) (.cse1 (= ~a4~0 0)) (.cse16 (= ~a25~0 9)) (.cse13 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (and (<= (+ 28300 ~a29~0) 0) .cse1 .cse2 .cse4 .cse6) (and .cse9 .cse10 .cse2 .cse11 .cse4 .cse8) (and .cse0 .cse1 .cse12 .cse2 .cse13 .cse4) (and .cse7 .cse1 .cse2 .cse13 .cse4 .cse6) (and .cse12 .cse14 .cse2 .cse11 .cse4) (and .cse15 (<= (+ ~a23~0 599772) 0)) (and .cse0 .cse1 .cse16 .cse2 .cse3 .cse4 .cse5) (and .cse9 .cse17 .cse2 .cse11 .cse4 .cse8) (and (<= (+ ~a23~0 43) 0) .cse2 .cse11 (<= 214883 ~a29~0) .cse4 .cse6) (and .cse1 .cse12 .cse10 .cse14 .cse2 .cse13 .cse4) (and .cse18 .cse2 .cse11 .cse4 .cse8) (and .cse7 .cse1 .cse16 .cse2 .cse13 .cse4) (and .cse19 .cse20 .cse1 .cse2 .cse4) (and .cse19 .cse16 .cse2 .cse11 .cse4) (and .cse18 .cse2 .cse11 .cse4 .cse6) (and .cse15 .cse3 .cse5) (and (< ~a25~0 11) .cse2 .cse11 (<= (+ ~a29~0 287232) 0) (<= 312 ~a23~0) .cse4) (and .cse9 .cse16 .cse2 .cse11 .cse13 .cse4) (and .cse17 .cse14 .cse2 .cse11 .cse4 .cse6) (and .cse14 (or (and .cse10 .cse2 .cse11 .cse4 .cse6) .cse21)) (and .cse9 .cse1 .cse10 .cse16 .cse2 .cse13 .cse4))))) [2023-11-29 04:10:20,233 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,233 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,233 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,233 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,233 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,234 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,235 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,236 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-11-29 04:10:20,237 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,238 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,239 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,240 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-11-29 04:10:20,241 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,242 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,243 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,244 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-11-29 04:10:20,247 INFO L445 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] [2023-11-29 04:10:20,249 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:10:20,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:10:20 BoogieIcfgContainer [2023-11-29 04:10:20,268 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:10:20,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:10:20,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:10:20,269 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:10:20,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:09:31" (3/4) ... [2023-11-29 04:10:20,271 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:10:20,304 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 04:10:20,306 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 04:10:20,308 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:10:20,309 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:10:20,464 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:10:20,464 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:10:20,465 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:10:20,465 INFO L158 Benchmark]: Toolchain (without parser) took 51956.83ms. Allocated memory was 140.5MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 91.9MB in the beginning and 404.1MB in the end (delta: -312.2MB). Peak memory consumption was 754.8MB. Max. memory is 16.1GB. [2023-11-29 04:10:20,465 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:10:20,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.22ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 91.9MB in the beginning and 146.3MB in the end (delta: -54.4MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-11-29 04:10:20,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.78ms. Allocated memory is still 186.6MB. Free memory was 146.3MB in the beginning and 128.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 04:10:20,466 INFO L158 Benchmark]: Boogie Preprocessor took 160.22ms. Allocated memory is still 186.6MB. Free memory was 128.6MB in the beginning and 103.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-29 04:10:20,466 INFO L158 Benchmark]: RCFGBuilder took 1613.17ms. Allocated memory is still 186.6MB. Free memory was 103.4MB in the beginning and 72.8MB in the end (delta: 30.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2023-11-29 04:10:20,467 INFO L158 Benchmark]: TraceAbstraction took 49210.38ms. Allocated memory was 186.6MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 71.8MB in the beginning and 421.9MB in the end (delta: -350.1MB). Peak memory consumption was 889.6MB. Max. memory is 16.1GB. [2023-11-29 04:10:20,467 INFO L158 Benchmark]: Witness Printer took 196.02ms. Allocated memory is still 1.2GB. Free memory was 421.9MB in the beginning and 404.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 04:10:20,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.22ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 91.9MB in the beginning and 146.3MB in the end (delta: -54.4MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.78ms. Allocated memory is still 186.6MB. Free memory was 146.3MB in the beginning and 128.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.22ms. Allocated memory is still 186.6MB. Free memory was 128.6MB in the beginning and 103.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1613.17ms. Allocated memory is still 186.6MB. Free memory was 103.4MB in the beginning and 72.8MB in the end (delta: 30.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * TraceAbstraction took 49210.38ms. Allocated memory was 186.6MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 71.8MB in the beginning and 421.9MB in the end (delta: -350.1MB). Peak memory consumption was 889.6MB. Max. memory is 16.1GB. * Witness Printer took 196.02ms. Allocated memory is still 1.2GB. Free memory was 421.9MB in the beginning and 404.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. 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: 82]: 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, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 49.1s, OverallIterations: 25, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 26.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6323 SdHoareTripleChecker+Valid, 23.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6323 mSDsluCounter, 4634 SdHoareTripleChecker+Invalid, 20.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 706 mSDsCounter, 3161 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21802 IncrementalHoareTripleChecker+Invalid, 24963 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3161 mSolverCounterUnsat, 3928 mSDtfsCounter, 21802 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1101 GetRequests, 1047 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21036occurred in iteration=19, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 25 MinimizatonAttempts, 31767 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 82 NumberOfFragments, 530 HoareAnnotationTreeSize, 1 FomulaSimplifications, 28357 FormulaSimplificationTreeSizeReduction, 4.7s HoareSimplificationTime, 1 FomulaSimplificationsInter, 10779 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 7784 NumberOfCodeBlocks, 7784 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 7990 ConstructedInterpolants, 0 QuantifiedInterpolants, 23129 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1136 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 29 InterpolantComputations, 24 PerfectInterpolantSequences, 7555/7783 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a29 <= 140) && (a4 == 0)) && (a3 == 1)) && (a23 <= 138)) && (a8 == 15)) && (0 <= (a23 + 42))) && (a25 == 10)) || ((((((((a29 + 21) <= 0) && (a4 == 0)) && (a3 == 1)) && (a23 <= 138)) && (a8 == 15)) && (0 <= (a23 + 42))) && ((a25 == 13) || (a25 == 12)))) || ((((((28300 + a29) <= 0) && (a4 == 0)) && (a3 == 1)) && (a8 == 15)) && (a25 == 10))) || ((((((a29 <= 384312) && (278 <= a29)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && ((a25 == 13) || (a25 == 12)))) || ((((((a29 <= 140) && (a4 == 0)) && (a25 == 11)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15))) || (((((((a29 + 21) <= 0) && (a4 == 0)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15)) && (a25 == 10))) || (((((a25 == 11) && (a29 <= 599999)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15))) || (((((((a25 == 11) && (278 <= a29)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) || (((((278 <= a29) && (a3 == 1)) && (a4 == 1)) && (a25 <= 9)) && (a8 == 15))) && ((a23 + 599772) <= 0))) || (((((((a29 <= 140) && (a4 == 0)) && (a25 == 9)) && (a3 == 1)) && (a23 <= 138)) && (a8 == 15)) && (0 <= (a23 + 42)))) || ((((((a29 <= 384312) && (307 <= a23)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && ((a25 == 13) || (a25 == 12)))) || (((((((a23 + 43) <= 0) && (a3 == 1)) && (a4 == 1)) && (214883 <= a29)) && (a8 == 15)) && (a25 == 10))) || (((((((a4 == 0) && (a25 == 11)) && (278 <= a29)) && (a29 <= 599999)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15))) || (((((a29 <= 245) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && ((a25 == 13) || (a25 == 12)))) || (((((((a29 + 21) <= 0) && (a4 == 0)) && (a25 == 9)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15))) || (((((a29 <= 275) && (a25 == 12)) && (a4 == 0)) && (a3 == 1)) && (a8 == 15))) || (((((a29 <= 275) && (a25 == 9)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15))) || (((((a29 <= 245) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && (a25 == 10))) || ((((((((a25 == 11) && (278 <= a29)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) || (((((278 <= a29) && (a3 == 1)) && (a4 == 1)) && (a25 <= 9)) && (a8 == 15))) && (a23 <= 138)) && (0 <= (a23 + 42)))) || ((((((a25 < 11) && (a3 == 1)) && (a4 == 1)) && ((a29 + 287232) <= 0)) && (312 <= a23)) && (a8 == 15))) || ((((((a29 <= 384312) && (a25 == 9)) && (a3 == 1)) && (a4 == 1)) && (a23 <= 312)) && (a8 == 15))) || ((((((307 <= a23) && (a29 <= 599999)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && (a25 == 10))) || ((a29 <= 599999) && ((((((278 <= a29) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && (a25 == 10)) || (((((278 <= a29) && (a3 == 1)) && (a4 == 1)) && (a25 <= 9)) && (a8 == 15))))) || (((((((a29 <= 384312) && (a4 == 0)) && (278 <= a29)) && (a25 == 9)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15))) RESULT: Ultimate proved your program to be correct! [2023-11-29 04:10:20,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b27cb635-02eb-4876-9b77-03213b117201/bin/uautomizer-verify-BQ2R08f2Ya/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