./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/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_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/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_c06cb87d-4840-4218-8081-8b064239f3b5/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 cdf2fa99034a2ce4515fc13e5b104f83251835a7a436038ebabc8d1f47f1da91 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:26:09,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:26:09,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:26:09,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:26:09,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:26:09,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:26:09,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:26:09,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:26:09,203 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:26:09,204 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:26:09,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:26:09,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:26:09,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:26:09,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:26:09,206 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:26:09,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:26:09,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:26:09,208 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:26:09,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:26:09,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:26:09,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:26:09,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:26:09,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:26:09,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:26:09,212 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:26:09,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:26:09,212 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:26:09,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:26:09,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:26:09,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:26:09,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:26:09,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:26:09,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:26:09,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:26:09,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:26:09,215 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:26:09,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:26:09,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:26:09,216 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:26:09,216 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:26:09,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:26:09,217 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:26:09,217 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_c06cb87d-4840-4218-8081-8b064239f3b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdf2fa99034a2ce4515fc13e5b104f83251835a7a436038ebabc8d1f47f1da91 [2023-11-29 05:26:09,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:26:09,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:26:09,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:26:09,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:26:09,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:26:09,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/eca-rers2012/Problem15_label26.c [2023-11-29 05:26:12,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:26:12,570 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:26:12,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/sv-benchmarks/c/eca-rers2012/Problem15_label26.c [2023-11-29 05:26:12,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/data/0e09739b1/04d1d80c52bd4f438548b2924b0d202b/FLAGbf3fba4cd [2023-11-29 05:26:12,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/data/0e09739b1/04d1d80c52bd4f438548b2924b0d202b [2023-11-29 05:26:12,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:26:12,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:26:12,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:26:12,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:26:12,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:26:12,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:26:12" (1/1) ... [2023-11-29 05:26:12,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ad79fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:12, skipping insertion in model container [2023-11-29 05:26:12,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:26:12" (1/1) ... [2023-11-29 05:26:12,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:26:12,905 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_c06cb87d-4840-4218-8081-8b064239f3b5/sv-benchmarks/c/eca-rers2012/Problem15_label26.c[6541,6554] [2023-11-29 05:26:13,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:26:13,286 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:26:13,311 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_c06cb87d-4840-4218-8081-8b064239f3b5/sv-benchmarks/c/eca-rers2012/Problem15_label26.c[6541,6554] [2023-11-29 05:26:13,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:26:13,596 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:26:13,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13 WrapperNode [2023-11-29 05:26:13,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:26:13,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:26:13,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:26:13,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:26:13,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:13,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:13,812 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1759 [2023-11-29 05:26:13,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:26:13,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:26:13,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:26:13,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:26:13,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:13,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:13,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:13,893 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 05:26:13,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:13,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:13,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:13,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:13,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:14,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:14,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:26:14,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:26:14,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:26:14,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:26:14,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (1/1) ... [2023-11-29 05:26:14,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:26:14,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:26:14,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:26:14,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:26:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:26:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:26:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:26:14,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:26:14,237 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:26:14,238 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:26:17,050 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:26:17,101 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:26:17,101 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:26:17,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:26:17 BoogieIcfgContainer [2023-11-29 05:26:17,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:26:17,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:26:17,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:26:17,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:26:17,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:26:12" (1/3) ... [2023-11-29 05:26:17,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddf76b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:26:17, skipping insertion in model container [2023-11-29 05:26:17,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:13" (2/3) ... [2023-11-29 05:26:17,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddf76b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:26:17, skipping insertion in model container [2023-11-29 05:26:17,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:26:17" (3/3) ... [2023-11-29 05:26:17,110 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label26.c [2023-11-29 05:26:17,128 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:26:17,128 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:26:17,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:26:17,194 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;@4f5d5df9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:26:17,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:26:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 362 states, 360 states have (on average 1.9111111111111112) internal successors, (688), 361 states have internal predecessors, (688), 0 states have call successors, (0), 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 05:26:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 05:26:17,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:17,209 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, 1, 1, 1, 1, 1, 1, 1, 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 05:26:17,209 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:17,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:17,215 INFO L85 PathProgramCache]: Analyzing trace with hash 188408997, now seen corresponding path program 1 times [2023-11-29 05:26:17,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:17,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788173857] [2023-11-29 05:26:17,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:17,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,395 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 05:26:17,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:17,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788173857] [2023-11-29 05:26:17,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788173857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:17,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:17,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:26:17,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633183762] [2023-11-29 05:26:17,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:17,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:26:17,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:17,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:26:17,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:26:17,434 INFO L87 Difference]: Start difference. First operand has 362 states, 360 states have (on average 1.9111111111111112) internal successors, (688), 361 states have internal predecessors, (688), 0 states have call successors, (0), 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 26.0) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:26:17,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:17,492 INFO L93 Difference]: Finished difference Result 723 states and 1375 transitions. [2023-11-29 05:26:17,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:26:17,494 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2023-11-29 05:26:17,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:17,507 INFO L225 Difference]: With dead ends: 723 [2023-11-29 05:26:17,508 INFO L226 Difference]: Without dead ends: 360 [2023-11-29 05:26:17,512 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 05:26:17,516 INFO L413 NwaCegarLoop]: 623 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, 623 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 05:26:17,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:26:17,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-11-29 05:26:17,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-11-29 05:26:17,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.7353760445682451) internal successors, (623), 359 states have internal predecessors, (623), 0 states have call successors, (0), 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 05:26:17,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 623 transitions. [2023-11-29 05:26:17,566 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 623 transitions. Word has length 52 [2023-11-29 05:26:17,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:17,567 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 623 transitions. [2023-11-29 05:26:17,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:26:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 623 transitions. [2023-11-29 05:26:17,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 05:26:17,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:17,569 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, 1, 1, 1, 1, 1, 1, 1, 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 05:26:17,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:26:17,569 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:17,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:17,570 INFO L85 PathProgramCache]: Analyzing trace with hash -103665053, now seen corresponding path program 1 times [2023-11-29 05:26:17,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:17,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385095023] [2023-11-29 05:26:17,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:17,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,755 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 05:26:17,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:17,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385095023] [2023-11-29 05:26:17,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385095023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:17,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:17,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:26:17,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137086443] [2023-11-29 05:26:17,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:17,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:17,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:17,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:17,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:26:17,760 INFO L87 Difference]: Start difference. First operand 360 states and 623 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:26:19,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:19,934 INFO L93 Difference]: Finished difference Result 1023 states and 1787 transitions. [2023-11-29 05:26:19,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:19,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2023-11-29 05:26:19,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:19,939 INFO L225 Difference]: With dead ends: 1023 [2023-11-29 05:26:19,939 INFO L226 Difference]: Without dead ends: 664 [2023-11-29 05:26:19,940 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 05:26:19,941 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 264 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:19,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 316 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 05:26:19,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2023-11-29 05:26:19,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 662. [2023-11-29 05:26:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.4826021180030258) internal successors, (980), 661 states have internal predecessors, (980), 0 states have call successors, (0), 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 05:26:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 980 transitions. [2023-11-29 05:26:19,976 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 980 transitions. Word has length 52 [2023-11-29 05:26:19,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:19,977 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 980 transitions. [2023-11-29 05:26:19,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:26:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 980 transitions. [2023-11-29 05:26:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 05:26:19,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:19,982 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:19,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:26:19,983 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:19,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:19,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1426804011, now seen corresponding path program 1 times [2023-11-29 05:26:19,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:19,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859702035] [2023-11-29 05:26:19,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:19,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:26:20,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:20,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859702035] [2023-11-29 05:26:20,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859702035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:20,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:20,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:26:20,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660850227] [2023-11-29 05:26:20,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:20,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:20,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:20,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:20,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:26:20,380 INFO L87 Difference]: Start difference. First operand 662 states and 980 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 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 05:26:22,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:22,358 INFO L93 Difference]: Finished difference Result 1623 states and 2314 transitions. [2023-11-29 05:26:22,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:22,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2023-11-29 05:26:22,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:22,364 INFO L225 Difference]: With dead ends: 1623 [2023-11-29 05:26:22,364 INFO L226 Difference]: Without dead ends: 962 [2023-11-29 05:26:22,365 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 05:26:22,366 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:22,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 335 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 05:26:22,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2023-11-29 05:26:22,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2023-11-29 05:26:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 961 states have (on average 1.3631633714880333) internal successors, (1310), 961 states have internal predecessors, (1310), 0 states have call successors, (0), 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 05:26:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1310 transitions. [2023-11-29 05:26:22,390 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1310 transitions. Word has length 117 [2023-11-29 05:26:22,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:22,391 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 1310 transitions. [2023-11-29 05:26:22,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 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 05:26:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1310 transitions. [2023-11-29 05:26:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 05:26:22,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:22,394 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:26:22,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:26:22,395 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:22,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:22,395 INFO L85 PathProgramCache]: Analyzing trace with hash 409636856, now seen corresponding path program 1 times [2023-11-29 05:26:22,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:22,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649630283] [2023-11-29 05:26:22,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:22,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:26:22,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:22,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649630283] [2023-11-29 05:26:22,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649630283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:22,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:22,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:26:22,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872666803] [2023-11-29 05:26:22,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:22,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:26:22,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:22,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:26:22,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:26:22,673 INFO L87 Difference]: Start difference. First operand 962 states and 1310 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 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 05:26:24,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:24,762 INFO L93 Difference]: Finished difference Result 2239 states and 3196 transitions. [2023-11-29 05:26:24,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:26:24,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2023-11-29 05:26:24,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:24,769 INFO L225 Difference]: With dead ends: 2239 [2023-11-29 05:26:24,770 INFO L226 Difference]: Without dead ends: 1577 [2023-11-29 05:26:24,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:26:24,772 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 934 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:24,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 319 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 05:26:24,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2023-11-29 05:26:24,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1265. [2023-11-29 05:26:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1264 states have (on average 1.3045886075949367) internal successors, (1649), 1264 states have internal predecessors, (1649), 0 states have call successors, (0), 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 05:26:24,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1649 transitions. [2023-11-29 05:26:24,794 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1649 transitions. Word has length 122 [2023-11-29 05:26:24,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:24,795 INFO L495 AbstractCegarLoop]: Abstraction has 1265 states and 1649 transitions. [2023-11-29 05:26:24,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 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 05:26:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1649 transitions. [2023-11-29 05:26:24,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 05:26:24,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:24,801 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2023-11-29 05:26:24,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:26:24,801 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:24,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:24,802 INFO L85 PathProgramCache]: Analyzing trace with hash -2142789516, now seen corresponding path program 1 times [2023-11-29 05:26:24,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:24,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206855563] [2023-11-29 05:26:24,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:24,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:25,097 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:26:25,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:25,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206855563] [2023-11-29 05:26:25,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206855563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:25,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:25,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:26:25,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404751125] [2023-11-29 05:26:25,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:25,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:26:25,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:25,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:26:25,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:26:25,105 INFO L87 Difference]: Start difference. First operand 1265 states and 1649 transitions. Second operand has 4 states, 4 states have (on average 54.5) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 05:26:28,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:28,362 INFO L93 Difference]: Finished difference Result 4667 states and 6168 transitions. [2023-11-29 05:26:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:26:28,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 218 [2023-11-29 05:26:28,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:28,381 INFO L225 Difference]: With dead ends: 4667 [2023-11-29 05:26:28,381 INFO L226 Difference]: Without dead ends: 3403 [2023-11-29 05:26:28,383 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 05:26:28,384 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 487 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:28,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 343 Invalid, 2237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 1954 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 05:26:28,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2023-11-29 05:26:28,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 3380. [2023-11-29 05:26:28,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 3379 states have (on average 1.2364604912696064) internal successors, (4178), 3379 states have internal predecessors, (4178), 0 states have call successors, (0), 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 05:26:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 4178 transitions. [2023-11-29 05:26:28,464 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 4178 transitions. Word has length 218 [2023-11-29 05:26:28,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:28,465 INFO L495 AbstractCegarLoop]: Abstraction has 3380 states and 4178 transitions. [2023-11-29 05:26:28,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 05:26:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 4178 transitions. [2023-11-29 05:26:28,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-29 05:26:28,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:28,470 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2023-11-29 05:26:28,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:26:28,470 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:28,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:28,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1480847486, now seen corresponding path program 1 times [2023-11-29 05:26:28,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:28,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378605885] [2023-11-29 05:26:28,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:28,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-29 05:26:28,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:28,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378605885] [2023-11-29 05:26:28,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378605885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:28,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:28,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:26:28,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36962399] [2023-11-29 05:26:28,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:28,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:28,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:28,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:28,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:26:28,726 INFO L87 Difference]: Start difference. First operand 3380 states and 4178 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 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 05:26:30,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:30,286 INFO L93 Difference]: Finished difference Result 8562 states and 10750 transitions. [2023-11-29 05:26:30,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:30,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 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 222 [2023-11-29 05:26:30,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:30,305 INFO L225 Difference]: With dead ends: 8562 [2023-11-29 05:26:30,305 INFO L226 Difference]: Without dead ends: 5482 [2023-11-29 05:26:30,309 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 05:26:30,310 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:30,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 337 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 05:26:30,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5482 states. [2023-11-29 05:26:30,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5482 to 5477. [2023-11-29 05:26:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5477 states, 5476 states have (on average 1.1683710737764792) internal successors, (6398), 5476 states have internal predecessors, (6398), 0 states have call successors, (0), 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 05:26:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 6398 transitions. [2023-11-29 05:26:30,448 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 6398 transitions. Word has length 222 [2023-11-29 05:26:30,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:30,449 INFO L495 AbstractCegarLoop]: Abstraction has 5477 states and 6398 transitions. [2023-11-29 05:26:30,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 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 05:26:30,449 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 6398 transitions. [2023-11-29 05:26:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-11-29 05:26:30,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:30,456 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:30,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:26:30,457 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:30,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:30,457 INFO L85 PathProgramCache]: Analyzing trace with hash 755525462, now seen corresponding path program 1 times [2023-11-29 05:26:30,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:30,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466512734] [2023-11-29 05:26:30,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:30,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-29 05:26:31,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:31,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466512734] [2023-11-29 05:26:31,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466512734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:31,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:31,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:26:31,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793565833] [2023-11-29 05:26:31,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:31,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:31,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:31,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:31,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:26:31,185 INFO L87 Difference]: Start difference. First operand 5477 states and 6398 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 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 05:26:32,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:32,888 INFO L93 Difference]: Finished difference Result 10654 states and 12484 transitions. [2023-11-29 05:26:32,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:32,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 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 324 [2023-11-29 05:26:32,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:32,912 INFO L225 Difference]: With dead ends: 10654 [2023-11-29 05:26:32,912 INFO L226 Difference]: Without dead ends: 5477 [2023-11-29 05:26:32,917 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 05:26:32,918 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:32,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 357 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 05:26:32,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5477 states. [2023-11-29 05:26:33,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5477 to 5477. [2023-11-29 05:26:33,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5477 states, 5476 states have (on average 1.1672753834915996) internal successors, (6392), 5476 states have internal predecessors, (6392), 0 states have call successors, (0), 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 05:26:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 6392 transitions. [2023-11-29 05:26:33,030 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 6392 transitions. Word has length 324 [2023-11-29 05:26:33,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:33,030 INFO L495 AbstractCegarLoop]: Abstraction has 5477 states and 6392 transitions. [2023-11-29 05:26:33,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 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 05:26:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 6392 transitions. [2023-11-29 05:26:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2023-11-29 05:26:33,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:33,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:33,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:26:33,037 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:33,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:33,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1390467603, now seen corresponding path program 1 times [2023-11-29 05:26:33,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:33,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013399631] [2023-11-29 05:26:33,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:33,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-29 05:26:33,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:33,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013399631] [2023-11-29 05:26:33,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013399631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:33,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:33,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:26:33,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752600265] [2023-11-29 05:26:33,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:33,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:33,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:33,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:33,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:26:33,347 INFO L87 Difference]: Start difference. First operand 5477 states and 6392 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 05:26:35,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:35,211 INFO L93 Difference]: Finished difference Result 11850 states and 14144 transitions. [2023-11-29 05:26:35,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:35,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 339 [2023-11-29 05:26:35,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:35,235 INFO L225 Difference]: With dead ends: 11850 [2023-11-29 05:26:35,235 INFO L226 Difference]: Without dead ends: 6673 [2023-11-29 05:26:35,238 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 05:26:35,239 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 261 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:35,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 320 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 05:26:35,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6673 states. [2023-11-29 05:26:35,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6673 to 4576. [2023-11-29 05:26:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4576 states, 4575 states have (on average 1.1840437158469945) internal successors, (5417), 4575 states have internal predecessors, (5417), 0 states have call successors, (0), 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 05:26:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4576 states to 4576 states and 5417 transitions. [2023-11-29 05:26:35,310 INFO L78 Accepts]: Start accepts. Automaton has 4576 states and 5417 transitions. Word has length 339 [2023-11-29 05:26:35,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:35,311 INFO L495 AbstractCegarLoop]: Abstraction has 4576 states and 5417 transitions. [2023-11-29 05:26:35,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 05:26:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4576 states and 5417 transitions. [2023-11-29 05:26:35,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2023-11-29 05:26:35,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:35,317 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:35,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:26:35,317 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:35,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:35,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1675779580, now seen corresponding path program 1 times [2023-11-29 05:26:35,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:35,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668911377] [2023-11-29 05:26:35,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:35,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-29 05:26:35,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:35,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668911377] [2023-11-29 05:26:35,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668911377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:35,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:35,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:26:35,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166776576] [2023-11-29 05:26:35,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:35,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:35,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:35,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:35,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:26:35,767 INFO L87 Difference]: Start difference. First operand 4576 states and 5417 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 05:26:37,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:37,488 INFO L93 Difference]: Finished difference Result 10954 states and 13232 transitions. [2023-11-29 05:26:37,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:37,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 398 [2023-11-29 05:26:37,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:37,516 INFO L225 Difference]: With dead ends: 10954 [2023-11-29 05:26:37,516 INFO L226 Difference]: Without dead ends: 6678 [2023-11-29 05:26:37,519 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 05:26:37,519 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 275 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:37,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 634 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 05:26:37,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6678 states. [2023-11-29 05:26:37,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6678 to 6080. [2023-11-29 05:26:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6080 states, 6079 states have (on average 1.1572627076821846) internal successors, (7035), 6079 states have internal predecessors, (7035), 0 states have call successors, (0), 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 05:26:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6080 states to 6080 states and 7035 transitions. [2023-11-29 05:26:37,596 INFO L78 Accepts]: Start accepts. Automaton has 6080 states and 7035 transitions. Word has length 398 [2023-11-29 05:26:37,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:37,597 INFO L495 AbstractCegarLoop]: Abstraction has 6080 states and 7035 transitions. [2023-11-29 05:26:37,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 05:26:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 6080 states and 7035 transitions. [2023-11-29 05:26:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-11-29 05:26:37,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:37,607 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:37,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:26:37,607 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:37,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:37,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1193900464, now seen corresponding path program 1 times [2023-11-29 05:26:37,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:37,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564484191] [2023-11-29 05:26:37,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:37,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:26:37,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:37,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564484191] [2023-11-29 05:26:37,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564484191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:37,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:37,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:26:37,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9275898] [2023-11-29 05:26:37,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:37,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:37,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:37,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:37,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:26:37,862 INFO L87 Difference]: Start difference. First operand 6080 states and 7035 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 05:26:39,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:39,583 INFO L93 Difference]: Finished difference Result 13964 states and 16475 transitions. [2023-11-29 05:26:39,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:39,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 404 [2023-11-29 05:26:39,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:39,596 INFO L225 Difference]: With dead ends: 13964 [2023-11-29 05:26:39,596 INFO L226 Difference]: Without dead ends: 8184 [2023-11-29 05:26:39,600 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 05:26:39,601 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 250 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:39,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 598 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 05:26:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8184 states. [2023-11-29 05:26:39,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8184 to 7882. [2023-11-29 05:26:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7882 states, 7881 states have (on average 1.1386879837584063) internal successors, (8974), 7881 states have internal predecessors, (8974), 0 states have call successors, (0), 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 05:26:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7882 states to 7882 states and 8974 transitions. [2023-11-29 05:26:39,681 INFO L78 Accepts]: Start accepts. Automaton has 7882 states and 8974 transitions. Word has length 404 [2023-11-29 05:26:39,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:39,682 INFO L495 AbstractCegarLoop]: Abstraction has 7882 states and 8974 transitions. [2023-11-29 05:26:39,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 05:26:39,682 INFO L276 IsEmpty]: Start isEmpty. Operand 7882 states and 8974 transitions. [2023-11-29 05:26:39,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2023-11-29 05:26:39,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:39,685 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:26:39,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 05:26:39,686 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:39,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:39,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1271207828, now seen corresponding path program 1 times [2023-11-29 05:26:39,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:39,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132713230] [2023-11-29 05:26:39,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:39,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-29 05:26:39,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:39,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132713230] [2023-11-29 05:26:39,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132713230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:39,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:39,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:26:39,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027672613] [2023-11-29 05:26:39,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:39,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:39,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:39,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:39,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:26:39,959 INFO L87 Difference]: Start difference. First operand 7882 states and 8974 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 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 05:26:41,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:41,580 INFO L93 Difference]: Finished difference Result 17258 states and 20017 transitions. [2023-11-29 05:26:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:41,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 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 420 [2023-11-29 05:26:41,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:41,592 INFO L225 Difference]: With dead ends: 17258 [2023-11-29 05:26:41,592 INFO L226 Difference]: Without dead ends: 9676 [2023-11-29 05:26:41,599 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 05:26:41,600 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 245 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:41,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 616 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 05:26:41,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9676 states. [2023-11-29 05:26:41,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9676 to 9373. [2023-11-29 05:26:41,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9373 states, 9372 states have (on average 1.1291079812206573) internal successors, (10582), 9372 states have internal predecessors, (10582), 0 states have call successors, (0), 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 05:26:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9373 states to 9373 states and 10582 transitions. [2023-11-29 05:26:41,689 INFO L78 Accepts]: Start accepts. Automaton has 9373 states and 10582 transitions. Word has length 420 [2023-11-29 05:26:41,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:41,689 INFO L495 AbstractCegarLoop]: Abstraction has 9373 states and 10582 transitions. [2023-11-29 05:26:41,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 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 05:26:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 9373 states and 10582 transitions. [2023-11-29 05:26:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2023-11-29 05:26:41,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:41,695 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:26:41,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 05:26:41,695 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:41,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:41,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1219898433, now seen corresponding path program 1 times [2023-11-29 05:26:41,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:41,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038758957] [2023-11-29 05:26:41,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:41,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2023-11-29 05:26:41,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:41,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038758957] [2023-11-29 05:26:41,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038758957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:41,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:41,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:26:41,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270816250] [2023-11-29 05:26:41,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:41,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:41,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:41,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:41,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:26:41,940 INFO L87 Difference]: Start difference. First operand 9373 states and 10582 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 05:26:43,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:43,608 INFO L93 Difference]: Finished difference Result 20837 states and 23815 transitions. [2023-11-29 05:26:43,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:43,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 516 [2023-11-29 05:26:43,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:43,622 INFO L225 Difference]: With dead ends: 20837 [2023-11-29 05:26:43,623 INFO L226 Difference]: Without dead ends: 11764 [2023-11-29 05:26:43,654 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 05:26:43,655 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 362 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:43,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 444 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 05:26:43,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11764 states. [2023-11-29 05:26:43,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11764 to 11764. [2023-11-29 05:26:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11764 states, 11763 states have (on average 1.134319476324067) internal successors, (13343), 11763 states have internal predecessors, (13343), 0 states have call successors, (0), 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 05:26:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11764 states to 11764 states and 13343 transitions. [2023-11-29 05:26:43,768 INFO L78 Accepts]: Start accepts. Automaton has 11764 states and 13343 transitions. Word has length 516 [2023-11-29 05:26:43,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:43,769 INFO L495 AbstractCegarLoop]: Abstraction has 11764 states and 13343 transitions. [2023-11-29 05:26:43,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 05:26:43,770 INFO L276 IsEmpty]: Start isEmpty. Operand 11764 states and 13343 transitions. [2023-11-29 05:26:43,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2023-11-29 05:26:43,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:43,778 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:43,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 05:26:43,779 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:43,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:43,779 INFO L85 PathProgramCache]: Analyzing trace with hash -976097434, now seen corresponding path program 1 times [2023-11-29 05:26:43,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:43,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916738072] [2023-11-29 05:26:43,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:43,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-29 05:26:44,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:44,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916738072] [2023-11-29 05:26:44,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916738072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:44,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:44,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:26:44,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414215105] [2023-11-29 05:26:44,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:44,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:44,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:44,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:44,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:26:44,368 INFO L87 Difference]: Start difference. First operand 11764 states and 13343 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 05:26:46,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:46,252 INFO L93 Difference]: Finished difference Result 28026 states and 32075 transitions. [2023-11-29 05:26:46,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:46,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 540 [2023-11-29 05:26:46,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:46,269 INFO L225 Difference]: With dead ends: 28026 [2023-11-29 05:26:46,269 INFO L226 Difference]: Without dead ends: 16562 [2023-11-29 05:26:46,278 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 05:26:46,278 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 248 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:46,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 616 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 05:26:46,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16562 states. [2023-11-29 05:26:46,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16562 to 16252. [2023-11-29 05:26:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16252 states, 16251 states have (on average 1.1250999938465325) internal successors, (18284), 16251 states have internal predecessors, (18284), 0 states have call successors, (0), 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 05:26:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16252 states to 16252 states and 18284 transitions. [2023-11-29 05:26:46,454 INFO L78 Accepts]: Start accepts. Automaton has 16252 states and 18284 transitions. Word has length 540 [2023-11-29 05:26:46,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:46,455 INFO L495 AbstractCegarLoop]: Abstraction has 16252 states and 18284 transitions. [2023-11-29 05:26:46,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 05:26:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 16252 states and 18284 transitions. [2023-11-29 05:26:46,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-11-29 05:26:46,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:46,463 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:46,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 05:26:46,464 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:46,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:46,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1723510808, now seen corresponding path program 1 times [2023-11-29 05:26:46,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:46,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312440001] [2023-11-29 05:26:46,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:46,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:47,523 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 153 proven. 317 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-11-29 05:26:47,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:47,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312440001] [2023-11-29 05:26:47,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312440001] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:26:47,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133322050] [2023-11-29 05:26:47,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:47,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:26:47,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:26:47,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:26:47,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:26:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:47,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:26:47,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:26:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2023-11-29 05:26:47,931 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:26:47,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133322050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:47,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:26:47,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 05:26:47,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051805970] [2023-11-29 05:26:47,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:47,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:47,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:47,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:47,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:26:47,934 INFO L87 Difference]: Start difference. First operand 16252 states and 18284 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:26:49,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:49,669 INFO L93 Difference]: Finished difference Result 31901 states and 35927 transitions. [2023-11-29 05:26:49,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:49,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 594 [2023-11-29 05:26:49,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:49,686 INFO L225 Difference]: With dead ends: 31901 [2023-11-29 05:26:49,687 INFO L226 Difference]: Without dead ends: 15949 [2023-11-29 05:26:49,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 594 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:26:49,696 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 278 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:49,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 603 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 05:26:49,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15949 states. [2023-11-29 05:26:49,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15949 to 15350. [2023-11-29 05:26:49,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15350 states, 15349 states have (on average 1.0783764414619845) internal successors, (16552), 15349 states have internal predecessors, (16552), 0 states have call successors, (0), 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 05:26:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15350 states to 15350 states and 16552 transitions. [2023-11-29 05:26:49,867 INFO L78 Accepts]: Start accepts. Automaton has 15350 states and 16552 transitions. Word has length 594 [2023-11-29 05:26:49,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:49,868 INFO L495 AbstractCegarLoop]: Abstraction has 15350 states and 16552 transitions. [2023-11-29 05:26:49,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:26:49,868 INFO L276 IsEmpty]: Start isEmpty. Operand 15350 states and 16552 transitions. [2023-11-29 05:26:49,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2023-11-29 05:26:49,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:49,884 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2023-11-29 05:26:49,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:26:50,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 05:26:50,085 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:50,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:50,086 INFO L85 PathProgramCache]: Analyzing trace with hash -327690208, now seen corresponding path program 1 times [2023-11-29 05:26:50,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:50,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624570811] [2023-11-29 05:26:50,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:50,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 598 proven. 39 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-11-29 05:26:50,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:50,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624570811] [2023-11-29 05:26:50,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624570811] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:26:50,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853668246] [2023-11-29 05:26:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:50,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:26:50,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:26:50,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:26:50,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:26:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:51,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:26:51,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:26:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 637 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-11-29 05:26:52,035 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:26:52,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853668246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:52,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:26:52,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 05:26:52,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134727852] [2023-11-29 05:26:52,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:52,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:26:52,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:52,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:26:52,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:26:52,038 INFO L87 Difference]: Start difference. First operand 15350 states and 16552 transitions. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 05:26:54,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:54,185 INFO L93 Difference]: Finished difference Result 32195 states and 34726 transitions. [2023-11-29 05:26:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:26:54,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 607 [2023-11-29 05:26:54,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:54,196 INFO L225 Difference]: With dead ends: 32195 [2023-11-29 05:26:54,196 INFO L226 Difference]: Without dead ends: 16547 [2023-11-29 05:26:54,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 605 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 05:26:54,201 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 316 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 1844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:54,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 386 Invalid, 1844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 05:26:54,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16547 states. [2023-11-29 05:26:54,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16547 to 15947. [2023-11-29 05:26:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15947 states, 15946 states have (on average 1.0760065220117898) internal successors, (17158), 15946 states have internal predecessors, (17158), 0 states have call successors, (0), 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 05:26:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15947 states to 15947 states and 17158 transitions. [2023-11-29 05:26:54,336 INFO L78 Accepts]: Start accepts. Automaton has 15947 states and 17158 transitions. Word has length 607 [2023-11-29 05:26:54,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:54,336 INFO L495 AbstractCegarLoop]: Abstraction has 15947 states and 17158 transitions. [2023-11-29 05:26:54,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 05:26:54,336 INFO L276 IsEmpty]: Start isEmpty. Operand 15947 states and 17158 transitions. [2023-11-29 05:26:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2023-11-29 05:26:54,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:54,345 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:26:54,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:26:54,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 05:26:54,546 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:54,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:54,546 INFO L85 PathProgramCache]: Analyzing trace with hash 914768860, now seen corresponding path program 1 times [2023-11-29 05:26:54,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:54,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027618812] [2023-11-29 05:26:54,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:54,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2023-11-29 05:26:54,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:54,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027618812] [2023-11-29 05:26:54,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027618812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:54,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:54,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:26:54,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781147151] [2023-11-29 05:26:54,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:54,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:54,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:54,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:54,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:26:54,824 INFO L87 Difference]: Start difference. First operand 15947 states and 17158 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 05:26:56,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:56,465 INFO L93 Difference]: Finished difference Result 38766 states and 41754 transitions. [2023-11-29 05:26:56,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:26:56,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 677 [2023-11-29 05:26:56,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:56,480 INFO L225 Difference]: With dead ends: 38766 [2023-11-29 05:26:56,480 INFO L226 Difference]: Without dead ends: 22820 [2023-11-29 05:26:56,488 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 05:26:56,488 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 273 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:56,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 290 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 05:26:56,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22820 states. [2023-11-29 05:26:56,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22820 to 18932. [2023-11-29 05:26:56,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18932 states, 18931 states have (on average 1.0723680735301886) internal successors, (20301), 18931 states have internal predecessors, (20301), 0 states have call successors, (0), 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 05:26:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18932 states to 18932 states and 20301 transitions. [2023-11-29 05:26:56,665 INFO L78 Accepts]: Start accepts. Automaton has 18932 states and 20301 transitions. Word has length 677 [2023-11-29 05:26:56,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:56,666 INFO L495 AbstractCegarLoop]: Abstraction has 18932 states and 20301 transitions. [2023-11-29 05:26:56,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 05:26:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 18932 states and 20301 transitions. [2023-11-29 05:26:56,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2023-11-29 05:26:56,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:56,675 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:56,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 05:26:56,675 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:56,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:56,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1049097857, now seen corresponding path program 1 times [2023-11-29 05:26:56,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:56,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527402255] [2023-11-29 05:26:56,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:56,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,424 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 596 proven. 190 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-29 05:26:57,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:57,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527402255] [2023-11-29 05:26:57,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527402255] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:26:57,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119123964] [2023-11-29 05:26:57,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:57,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:26:57,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:26:57,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:26:57,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:26:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:26:57,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:26:58,618 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-29 05:26:58,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:26:58,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119123964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:58,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:26:58,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 05:26:58,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505401038] [2023-11-29 05:26:58,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:58,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:26:58,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:58,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:26:58,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:26:58,621 INFO L87 Difference]: Start difference. First operand 18932 states and 20301 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:00,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:00,761 INFO L93 Difference]: Finished difference Result 42065 states and 45181 transitions. [2023-11-29 05:27:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:27:00,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 684 [2023-11-29 05:27:00,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:00,778 INFO L225 Difference]: With dead ends: 42065 [2023-11-29 05:27:00,778 INFO L226 Difference]: Without dead ends: 23134 [2023-11-29 05:27:00,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 683 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:27:00,787 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 301 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:00,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 170 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 05:27:00,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23134 states. [2023-11-29 05:27:00,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23134 to 21921. [2023-11-29 05:27:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21921 states, 21920 states have (on average 1.0730839416058393) internal successors, (23522), 21920 states have internal predecessors, (23522), 0 states have call successors, (0), 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 05:27:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21921 states to 21921 states and 23522 transitions. [2023-11-29 05:27:01,025 INFO L78 Accepts]: Start accepts. Automaton has 21921 states and 23522 transitions. Word has length 684 [2023-11-29 05:27:01,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:01,026 INFO L495 AbstractCegarLoop]: Abstraction has 21921 states and 23522 transitions. [2023-11-29 05:27:01,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:01,026 INFO L276 IsEmpty]: Start isEmpty. Operand 21921 states and 23522 transitions. [2023-11-29 05:27:01,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2023-11-29 05:27:01,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:01,038 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 05:27:01,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:27:01,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 05:27:01,239 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:01,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:01,240 INFO L85 PathProgramCache]: Analyzing trace with hash -205039811, now seen corresponding path program 1 times [2023-11-29 05:27:01,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:01,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930250085] [2023-11-29 05:27:01,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:01,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:01,885 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2023-11-29 05:27:01,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:01,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930250085] [2023-11-29 05:27:01,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930250085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:01,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:01,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:27:01,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32232425] [2023-11-29 05:27:01,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:01,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:27:01,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:01,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:27:01,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:27:01,888 INFO L87 Difference]: Start difference. First operand 21921 states and 23522 transitions. Second operand has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 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 05:27:04,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:04,626 INFO L93 Difference]: Finished difference Result 57306 states and 61381 transitions. [2023-11-29 05:27:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:27:04,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 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 710 [2023-11-29 05:27:04,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:04,646 INFO L225 Difference]: With dead ends: 57306 [2023-11-29 05:27:04,646 INFO L226 Difference]: Without dead ends: 24921 [2023-11-29 05:27:04,656 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 05:27:04,657 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 701 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 2461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:04,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 472 Invalid, 2461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 05:27:04,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24921 states. [2023-11-29 05:27:04,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24921 to 17446. [2023-11-29 05:27:04,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17446 states, 17445 states have (on average 1.033877901977644) internal successors, (18036), 17445 states have internal predecessors, (18036), 0 states have call successors, (0), 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 05:27:04,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17446 states to 17446 states and 18036 transitions. [2023-11-29 05:27:04,813 INFO L78 Accepts]: Start accepts. Automaton has 17446 states and 18036 transitions. Word has length 710 [2023-11-29 05:27:04,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:04,814 INFO L495 AbstractCegarLoop]: Abstraction has 17446 states and 18036 transitions. [2023-11-29 05:27:04,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 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 05:27:04,814 INFO L276 IsEmpty]: Start isEmpty. Operand 17446 states and 18036 transitions. [2023-11-29 05:27:04,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796 [2023-11-29 05:27:04,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:04,825 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:27:04,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 05:27:04,826 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:04,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:04,826 INFO L85 PathProgramCache]: Analyzing trace with hash -394189859, now seen corresponding path program 1 times [2023-11-29 05:27:04,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:04,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186248606] [2023-11-29 05:27:04,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:04,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 622 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2023-11-29 05:27:05,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:05,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186248606] [2023-11-29 05:27:05,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186248606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:05,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:05,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:27:05,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040659550] [2023-11-29 05:27:05,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:05,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:27:05,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:05,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:27:05,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:27:05,311 INFO L87 Difference]: Start difference. First operand 17446 states and 18036 transitions. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 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 05:27:06,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:06,347 INFO L93 Difference]: Finished difference Result 35188 states and 36374 transitions. [2023-11-29 05:27:06,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:27:06,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 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 795 [2023-11-29 05:27:06,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:06,361 INFO L225 Difference]: With dead ends: 35188 [2023-11-29 05:27:06,361 INFO L226 Difference]: Without dead ends: 17743 [2023-11-29 05:27:06,367 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 05:27:06,367 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 461 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:06,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 66 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 05:27:06,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17743 states. [2023-11-29 05:27:06,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17743 to 17444. [2023-11-29 05:27:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17444 states, 17443 states have (on average 1.0337671272143554) internal successors, (18032), 17443 states have internal predecessors, (18032), 0 states have call successors, (0), 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 05:27:06,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17444 states to 17444 states and 18032 transitions. [2023-11-29 05:27:06,498 INFO L78 Accepts]: Start accepts. Automaton has 17444 states and 18032 transitions. Word has length 795 [2023-11-29 05:27:06,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:06,499 INFO L495 AbstractCegarLoop]: Abstraction has 17444 states and 18032 transitions. [2023-11-29 05:27:06,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 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 05:27:06,499 INFO L276 IsEmpty]: Start isEmpty. Operand 17444 states and 18032 transitions. [2023-11-29 05:27:06,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 838 [2023-11-29 05:27:06,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:06,512 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 05:27:06,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 05:27:06,512 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:06,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:06,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1555970567, now seen corresponding path program 1 times [2023-11-29 05:27:06,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:06,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56968617] [2023-11-29 05:27:06,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:06,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 802 proven. 51 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-29 05:27:07,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:07,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56968617] [2023-11-29 05:27:07,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56968617] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:07,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796295247] [2023-11-29 05:27:07,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:07,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:07,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:07,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:07,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:27:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:07,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:27:07,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2023-11-29 05:27:09,068 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:27:09,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796295247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:09,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:27:09,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-29 05:27:09,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149499770] [2023-11-29 05:27:09,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:09,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:27:09,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:09,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:27:09,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:27:09,071 INFO L87 Difference]: Start difference. First operand 17444 states and 18032 transitions. Second operand has 4 states, 4 states have (on average 118.25) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 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 05:27:10,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:10,905 INFO L93 Difference]: Finished difference Result 42379 states and 43831 transitions. [2023-11-29 05:27:10,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:27:10,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.25) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 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 837 [2023-11-29 05:27:10,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:10,922 INFO L225 Difference]: With dead ends: 42379 [2023-11-29 05:27:10,922 INFO L226 Difference]: Without dead ends: 24637 [2023-11-29 05:27:10,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 841 GetRequests, 836 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:27:10,930 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 303 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:10,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 139 Invalid, 1766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 05:27:10,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24637 states. [2023-11-29 05:27:11,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24637 to 20438. [2023-11-29 05:27:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20438 states, 20437 states have (on average 1.031071096540588) internal successors, (21072), 20437 states have internal predecessors, (21072), 0 states have call successors, (0), 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 05:27:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20438 states to 20438 states and 21072 transitions. [2023-11-29 05:27:11,133 INFO L78 Accepts]: Start accepts. Automaton has 20438 states and 21072 transitions. Word has length 837 [2023-11-29 05:27:11,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:11,134 INFO L495 AbstractCegarLoop]: Abstraction has 20438 states and 21072 transitions. [2023-11-29 05:27:11,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.25) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 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 05:27:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand 20438 states and 21072 transitions. [2023-11-29 05:27:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2023-11-29 05:27:11,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:11,151 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:27:11,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:27:11,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:11,352 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:11,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:11,352 INFO L85 PathProgramCache]: Analyzing trace with hash 143400802, now seen corresponding path program 1 times [2023-11-29 05:27:11,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:11,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476193574] [2023-11-29 05:27:11,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:11,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 793 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-11-29 05:27:11,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:11,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476193574] [2023-11-29 05:27:11,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476193574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:11,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:11,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:27:11,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731321715] [2023-11-29 05:27:11,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:11,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:27:11,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:11,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:27:11,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:27:11,949 INFO L87 Difference]: Start difference. First operand 20438 states and 21072 transitions. Second operand has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 0 states have call successors, (0), 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 05:27:13,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:13,832 INFO L93 Difference]: Finished difference Result 46261 states and 47730 transitions. [2023-11-29 05:27:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:27:13,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 0 states have call successors, (0), 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 919 [2023-11-29 05:27:13,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:13,853 INFO L225 Difference]: With dead ends: 46261 [2023-11-29 05:27:13,854 INFO L226 Difference]: Without dead ends: 25527 [2023-11-29 05:27:13,863 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 05:27:13,864 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 567 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:13,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 132 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 05:27:13,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25527 states. [2023-11-29 05:27:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25527 to 20137. [2023-11-29 05:27:14,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20137 states, 20136 states have (on average 1.030492649980135) internal successors, (20750), 20136 states have internal predecessors, (20750), 0 states have call successors, (0), 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 05:27:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20137 states to 20137 states and 20750 transitions. [2023-11-29 05:27:14,077 INFO L78 Accepts]: Start accepts. Automaton has 20137 states and 20750 transitions. Word has length 919 [2023-11-29 05:27:14,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:14,077 INFO L495 AbstractCegarLoop]: Abstraction has 20137 states and 20750 transitions. [2023-11-29 05:27:14,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 0 states have call successors, (0), 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 05:27:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 20137 states and 20750 transitions. [2023-11-29 05:27:14,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 925 [2023-11-29 05:27:14,090 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:14,090 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:14,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 05:27:14,091 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:14,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:14,091 INFO L85 PathProgramCache]: Analyzing trace with hash 788284665, now seen corresponding path program 1 times [2023-11-29 05:27:14,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:14,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55663070] [2023-11-29 05:27:14,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:14,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:14,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 742 proven. 0 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2023-11-29 05:27:14,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:14,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55663070] [2023-11-29 05:27:14,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55663070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:14,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:14,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:27:14,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633868497] [2023-11-29 05:27:14,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:14,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:27:14,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:14,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:27:14,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:27:14,559 INFO L87 Difference]: Start difference. First operand 20137 states and 20750 transitions. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 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 05:27:15,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:15,645 INFO L93 Difference]: Finished difference Result 40864 states and 42194 transitions. [2023-11-29 05:27:15,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:27:15,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 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 924 [2023-11-29 05:27:15,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:15,661 INFO L225 Difference]: With dead ends: 40864 [2023-11-29 05:27:15,661 INFO L226 Difference]: Without dead ends: 23423 [2023-11-29 05:27:15,667 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 05:27:15,668 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 312 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:15,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 526 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 05:27:15,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23423 states. [2023-11-29 05:27:15,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23423 to 21629. [2023-11-29 05:27:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21629 states, 21628 states have (on average 1.0291289069724432) internal successors, (22258), 21628 states have internal predecessors, (22258), 0 states have call successors, (0), 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 05:27:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21629 states to 21629 states and 22258 transitions. [2023-11-29 05:27:15,838 INFO L78 Accepts]: Start accepts. Automaton has 21629 states and 22258 transitions. Word has length 924 [2023-11-29 05:27:15,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:15,839 INFO L495 AbstractCegarLoop]: Abstraction has 21629 states and 22258 transitions. [2023-11-29 05:27:15,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 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 05:27:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 21629 states and 22258 transitions. [2023-11-29 05:27:15,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2023-11-29 05:27:15,853 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:15,854 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 05:27:15,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 05:27:15,854 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:15,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:15,855 INFO L85 PathProgramCache]: Analyzing trace with hash 2066901513, now seen corresponding path program 1 times [2023-11-29 05:27:15,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:15,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240160856] [2023-11-29 05:27:15,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:15,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2250 backedges. 1370 proven. 51 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2023-11-29 05:27:17,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:17,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240160856] [2023-11-29 05:27:17,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240160856] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:17,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708089748] [2023-11-29 05:27:17,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:17,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:17,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:17,153 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:17,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:27:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:27:17,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2250 backedges. 1520 proven. 266 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2023-11-29 05:27:19,474 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:27:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2250 backedges. 955 proven. 0 refuted. 0 times theorem prover too weak. 1295 trivial. 0 not checked. [2023-11-29 05:27:19,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708089748] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:19,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:27:19,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 8 [2023-11-29 05:27:19,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305952996] [2023-11-29 05:27:19,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:19,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:27:19,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:19,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:27:19,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:27:19,674 INFO L87 Difference]: Start difference. First operand 21629 states and 22258 transitions. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 05:27:20,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:20,522 INFO L93 Difference]: Finished difference Result 34235 states and 35215 transitions. [2023-11-29 05:27:20,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:27:20,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 1076 [2023-11-29 05:27:20,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:20,534 INFO L225 Difference]: With dead ends: 34235 [2023-11-29 05:27:20,534 INFO L226 Difference]: Without dead ends: 15003 [2023-11-29 05:27:20,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2155 GetRequests, 2149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:27:20,542 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 193 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:20,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 362 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:27:20,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15003 states. [2023-11-29 05:27:20,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15003 to 14106. [2023-11-29 05:27:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14106 states, 14105 states have (on average 1.020347394540943) internal successors, (14392), 14105 states have internal predecessors, (14392), 0 states have call successors, (0), 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 05:27:20,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14106 states to 14106 states and 14392 transitions. [2023-11-29 05:27:20,658 INFO L78 Accepts]: Start accepts. Automaton has 14106 states and 14392 transitions. Word has length 1076 [2023-11-29 05:27:20,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:20,658 INFO L495 AbstractCegarLoop]: Abstraction has 14106 states and 14392 transitions. [2023-11-29 05:27:20,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 05:27:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand 14106 states and 14392 transitions. [2023-11-29 05:27:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2023-11-29 05:27:20,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:20,673 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:27:20,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 05:27:20,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-29 05:27:20,873 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:20,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:20,874 INFO L85 PathProgramCache]: Analyzing trace with hash 621744222, now seen corresponding path program 1 times [2023-11-29 05:27:20,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:20,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702264728] [2023-11-29 05:27:20,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:22,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 1272 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2023-11-29 05:27:22,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:22,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702264728] [2023-11-29 05:27:22,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702264728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:22,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:22,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:27:22,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067680865] [2023-11-29 05:27:22,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:22,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:27:22,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:22,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:27:22,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:27:22,115 INFO L87 Difference]: Start difference. First operand 14106 states and 14392 transitions. Second operand has 4 states, 4 states have (on average 142.5) internal successors, (570), 4 states have internal predecessors, (570), 0 states have call successors, (0), 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 05:27:23,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:23,666 INFO L93 Difference]: Finished difference Result 23104 states and 23579 transitions. [2023-11-29 05:27:23,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:27:23,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.5) internal successors, (570), 4 states have internal predecessors, (570), 0 states have call successors, (0), 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 1088 [2023-11-29 05:27:23,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:23,681 INFO L225 Difference]: With dead ends: 23104 [2023-11-29 05:27:23,681 INFO L226 Difference]: Without dead ends: 23102 [2023-11-29 05:27:23,684 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 05:27:23,685 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 368 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 1521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:23,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 74 Invalid, 1521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 05:27:23,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23102 states. [2023-11-29 05:27:23,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23102 to 15306. [2023-11-29 05:27:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15306 states, 15305 states have (on average 1.0203201568114995) internal successors, (15616), 15305 states have internal predecessors, (15616), 0 states have call successors, (0), 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 05:27:23,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15306 states to 15306 states and 15616 transitions. [2023-11-29 05:27:23,853 INFO L78 Accepts]: Start accepts. Automaton has 15306 states and 15616 transitions. Word has length 1088 [2023-11-29 05:27:23,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:23,853 INFO L495 AbstractCegarLoop]: Abstraction has 15306 states and 15616 transitions. [2023-11-29 05:27:23,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.5) internal successors, (570), 4 states have internal predecessors, (570), 0 states have call successors, (0), 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 05:27:23,854 INFO L276 IsEmpty]: Start isEmpty. Operand 15306 states and 15616 transitions. [2023-11-29 05:27:23,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1185 [2023-11-29 05:27:23,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:23,869 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:23,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 05:27:23,870 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:23,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:23,870 INFO L85 PathProgramCache]: Analyzing trace with hash -2001859663, now seen corresponding path program 1 times [2023-11-29 05:27:23,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:23,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938549486] [2023-11-29 05:27:23,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:23,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2221 backedges. 254 proven. 1108 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2023-11-29 05:27:25,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:25,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938549486] [2023-11-29 05:27:25,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938549486] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:25,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485704095] [2023-11-29 05:27:25,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:25,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:25,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,036 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:27:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:25,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:27:25,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:25,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2221 backedges. 1439 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2023-11-29 05:27:25,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:27:25,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485704095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:25,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:27:25,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 05:27:25,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7063906] [2023-11-29 05:27:25,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:25,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:27:25,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:25,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:27:25,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:27:25,982 INFO L87 Difference]: Start difference. First operand 15306 states and 15616 transitions. Second operand has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 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 05:27:26,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:26,850 INFO L93 Difference]: Finished difference Result 32104 states and 32766 transitions. [2023-11-29 05:27:26,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:27:26,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 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 1184 [2023-11-29 05:27:26,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:26,863 INFO L225 Difference]: With dead ends: 32104 [2023-11-29 05:27:26,864 INFO L226 Difference]: Without dead ends: 19496 [2023-11-29 05:27:26,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1187 GetRequests, 1183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:27:26,870 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 197 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:26,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 370 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:27:26,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19496 states. [2023-11-29 05:27:26,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19496 to 15899. [2023-11-29 05:27:26,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15899 states, 15898 states have (on average 1.0193106051075607) internal successors, (16205), 15898 states have internal predecessors, (16205), 0 states have call successors, (0), 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 05:27:27,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15899 states to 15899 states and 16205 transitions. [2023-11-29 05:27:27,008 INFO L78 Accepts]: Start accepts. Automaton has 15899 states and 16205 transitions. Word has length 1184 [2023-11-29 05:27:27,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:27,009 INFO L495 AbstractCegarLoop]: Abstraction has 15899 states and 16205 transitions. [2023-11-29 05:27:27,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 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 05:27:27,009 INFO L276 IsEmpty]: Start isEmpty. Operand 15899 states and 16205 transitions. [2023-11-29 05:27:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2023-11-29 05:27:27,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:27,024 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:27,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 05:27:27,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 05:27:27,224 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:27,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:27,225 INFO L85 PathProgramCache]: Analyzing trace with hash -738316219, now seen corresponding path program 1 times [2023-11-29 05:27:27,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:27,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571577880] [2023-11-29 05:27:27,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:27,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2333 backedges. 1135 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2023-11-29 05:27:28,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:28,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571577880] [2023-11-29 05:27:28,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571577880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:28,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:28,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:27:28,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646908819] [2023-11-29 05:27:28,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:28,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:27:28,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:28,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:27:28,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:27:28,608 INFO L87 Difference]: Start difference. First operand 15899 states and 16205 transitions. Second operand has 5 states, 5 states have (on average 114.0) internal successors, (570), 5 states have internal predecessors, (570), 0 states have call successors, (0), 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 05:27:30,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:30,464 INFO L93 Difference]: Finished difference Result 30935 states and 31540 transitions. [2023-11-29 05:27:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:27:30,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.0) internal successors, (570), 5 states have internal predecessors, (570), 0 states have call successors, (0), 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 1212 [2023-11-29 05:27:30,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:30,476 INFO L225 Difference]: With dead ends: 30935 [2023-11-29 05:27:30,476 INFO L226 Difference]: Without dead ends: 17734 [2023-11-29 05:27:30,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:27:30,482 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 461 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 2444 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 2534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 2444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:30,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 540 Invalid, 2534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 2444 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 05:27:30,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17734 states. [2023-11-29 05:27:30,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17734 to 15295. [2023-11-29 05:27:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15295 states, 15294 states have (on average 1.0185693736105663) internal successors, (15578), 15294 states have internal predecessors, (15578), 0 states have call successors, (0), 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 05:27:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15295 states to 15295 states and 15578 transitions. [2023-11-29 05:27:30,613 INFO L78 Accepts]: Start accepts. Automaton has 15295 states and 15578 transitions. Word has length 1212 [2023-11-29 05:27:30,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:30,614 INFO L495 AbstractCegarLoop]: Abstraction has 15295 states and 15578 transitions. [2023-11-29 05:27:30,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.0) internal successors, (570), 5 states have internal predecessors, (570), 0 states have call successors, (0), 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 05:27:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 15295 states and 15578 transitions. [2023-11-29 05:27:30,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1493 [2023-11-29 05:27:30,631 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:30,632 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:30,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 05:27:30,632 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:30,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:30,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1371791950, now seen corresponding path program 1 times [2023-11-29 05:27:30,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:30,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905686862] [2023-11-29 05:27:30,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:30,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:33,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3740 backedges. 2372 proven. 458 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2023-11-29 05:27:33,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:33,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905686862] [2023-11-29 05:27:33,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905686862] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:33,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655922752] [2023-11-29 05:27:33,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:33,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:33,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:33,501 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:33,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 05:27:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:33,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 1699 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:27:34,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3740 backedges. 2481 proven. 0 refuted. 0 times theorem prover too weak. 1259 trivial. 0 not checked. [2023-11-29 05:27:34,253 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:27:34,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655922752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:34,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:27:34,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 05:27:34,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113839537] [2023-11-29 05:27:34,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:34,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:27:34,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:34,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:27:34,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:27:34,257 INFO L87 Difference]: Start difference. First operand 15295 states and 15578 transitions. Second operand has 3 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 0 states have call successors, (0), 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 05:27:35,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:35,182 INFO L93 Difference]: Finished difference Result 29992 states and 30547 transitions. [2023-11-29 05:27:35,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:27:35,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 0 states have call successors, (0), 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 1492 [2023-11-29 05:27:35,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:35,194 INFO L225 Difference]: With dead ends: 29992 [2023-11-29 05:27:35,195 INFO L226 Difference]: Without dead ends: 17393 [2023-11-29 05:27:35,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1496 GetRequests, 1492 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:27:35,200 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 195 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:35,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 429 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:27:35,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17393 states. [2023-11-29 05:27:35,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17393 to 16493. [2023-11-29 05:27:35,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16493 states, 16492 states have (on average 1.017948096046568) internal successors, (16788), 16492 states have internal predecessors, (16788), 0 states have call successors, (0), 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 05:27:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16493 states to 16493 states and 16788 transitions. [2023-11-29 05:27:35,329 INFO L78 Accepts]: Start accepts. Automaton has 16493 states and 16788 transitions. Word has length 1492 [2023-11-29 05:27:35,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:35,330 INFO L495 AbstractCegarLoop]: Abstraction has 16493 states and 16788 transitions. [2023-11-29 05:27:35,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 0 states have call successors, (0), 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 05:27:35,330 INFO L276 IsEmpty]: Start isEmpty. Operand 16493 states and 16788 transitions. [2023-11-29 05:27:35,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1495 [2023-11-29 05:27:35,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:35,348 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 05:27:35,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 05:27:35,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-29 05:27:35,549 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:35,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:35,550 INFO L85 PathProgramCache]: Analyzing trace with hash -959226966, now seen corresponding path program 1 times [2023-11-29 05:27:35,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:35,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072107530] [2023-11-29 05:27:35,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:35,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:38,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4156 backedges. 2622 proven. 460 refuted. 0 times theorem prover too weak. 1074 trivial. 0 not checked. [2023-11-29 05:27:38,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:38,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072107530] [2023-11-29 05:27:38,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072107530] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:38,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627102022] [2023-11-29 05:27:38,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:38,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:38,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:38,524 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:38,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 05:27:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:39,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:27:39,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4156 backedges. 1571 proven. 0 refuted. 0 times theorem prover too weak. 2585 trivial. 0 not checked. [2023-11-29 05:27:43,068 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:27:43,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627102022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:43,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:27:43,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2023-11-29 05:27:43,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642810483] [2023-11-29 05:27:43,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:43,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:27:43,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:43,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:27:43,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:27:43,070 INFO L87 Difference]: Start difference. First operand 16493 states and 16788 transitions. Second operand has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 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 05:27:56,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:27:56,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:56,979 INFO L93 Difference]: Finished difference Result 23988 states and 24415 transitions. [2023-11-29 05:27:56,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:27:56,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 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 1494 [2023-11-29 05:27:56,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:56,981 INFO L225 Difference]: With dead ends: 23988 [2023-11-29 05:27:56,981 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:27:56,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1498 GetRequests, 1493 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:27:56,986 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 368 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 77 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:56,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 73 Invalid, 1502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1411 Invalid, 14 Unknown, 0 Unchecked, 13.8s Time] [2023-11-29 05:27:56,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:27:56,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:27:56,986 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 05:27:56,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:27:56,987 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1494 [2023-11-29 05:27:56,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:56,987 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:27:56,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 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 05:27:56,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:27:56,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:27:56,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:27:56,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 05:27:57,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-29 05:27:57,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:28:10,828 WARN L293 SmtUtils]: Spent 13.63s on a formula simplification. DAG size of input: 591 DAG size of output: 793 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:28:18,945 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification. DAG size of input: 793 DAG size of output: 119 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 05:28:18,949 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,950 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,950 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,950 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,950 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,950 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,950 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2023-11-29 05:28:18,950 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2023-11-29 05:28:18,950 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,950 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,950 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,950 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,951 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,951 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,951 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,951 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,951 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,951 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,951 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2023-11-29 05:28:18,951 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2023-11-29 05:28:18,951 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,951 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,951 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,952 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,952 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,952 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2023-11-29 05:28:18,952 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2023-11-29 05:28:18,952 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,952 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,952 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2023-11-29 05:28:18,952 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2023-11-29 05:28:18,952 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,952 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,952 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,953 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,954 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,954 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,954 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,954 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,954 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,954 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,954 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,954 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,954 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,954 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,954 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,955 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,956 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,956 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2023-11-29 05:28:18,956 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,956 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2023-11-29 05:28:18,956 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2023-11-29 05:28:18,956 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2023-11-29 05:28:18,956 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,956 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,956 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,956 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,956 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,957 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,957 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,957 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,957 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2023-11-29 05:28:18,957 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,957 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,957 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,957 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,957 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,957 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,957 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2023-11-29 05:28:18,958 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,959 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,960 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,961 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,961 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,961 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,961 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2023-11-29 05:28:18,961 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2023-11-29 05:28:18,961 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,961 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1668 1768) no Hoare annotation was computed. [2023-11-29 05:28:18,961 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,961 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,961 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,961 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,962 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2023-11-29 05:28:18,963 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,964 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,965 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2023-11-29 05:28:18,966 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2023-11-29 05:28:18,966 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,966 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,966 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,966 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,966 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,966 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,966 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2023-11-29 05:28:18,966 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2023-11-29 05:28:18,966 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2023-11-29 05:28:18,966 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2023-11-29 05:28:18,967 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2023-11-29 05:28:18,968 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2023-11-29 05:28:18,969 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L1770(lines 1770 1786) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,970 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2023-11-29 05:28:18,971 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2023-11-29 05:28:18,971 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,971 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:28:18,971 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,971 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,971 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,971 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,972 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse15 (<= 0 (+ ~a4~0 85))) (.cse3 (<= ~a29~0 42)) (.cse7 (= ~a2~0 4))) (let ((.cse16 (<= (+ ~a29~0 127) 0)) (.cse13 (<= 0 (+ 97 ~a0~0))) (.cse14 (= 2 ~a2~0)) (.cse8 (<= 44 ~a29~0)) (.cse19 (<= 0 (+ 146 ~a0~0))) (.cse2 (= ~a2~0 1)) (.cse9 (<= (+ 98 ~a0~0) 0)) (.cse18 (or (and .cse15 .cse7) (and .cse3 .cse7))) (.cse5 (<= (+ 89 ~a4~0) 0)) (.cse6 (= 3 ~a2~0)) (.cse10 (<= (+ ~a0~0 61) 0)) (.cse0 (<= 0 (+ ~a0~0 459337))) (.cse4 (let ((.cse21 (+ ~a0~0 300075))) (or (= .cse21 0) (< .cse21 0)))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse11 (<= 0 (+ ~a29~0 15))) (.cse20 (<= (+ ~a0~0 147) 0)) (.cse12 (<= 5 ~a2~0)) (.cse17 (exists ((v_y_75 Int) (v_z_75 Int)) (and (<= 0 (+ 146 v_z_75 (* v_y_75 9))) (<= v_z_75 8) (<= (+ (* v_y_75 10) (div (+ (* v_z_75 10) (- 4869710)) 9) 1) ~a0~0) (<= 0 v_z_75))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse6) (and .cse5 .cse3 .cse7) (and .cse1 .cse8 .cse9 .cse2) (and .cse5 .cse2 .cse10) (and .cse11 .cse5 .cse3 .cse12) (and .cse5 .cse12 .cse10) (and .cse13 .cse14 .cse8 .cse5) (and .cse1 .cse8 .cse9 .cse12) (and .cse1 .cse15 .cse9 .cse7 .cse16) (and .cse1 .cse14 .cse15 .cse9 .cse17) (and .cse1 .cse11 (or (and .cse15 .cse2 .cse3) (and .cse2 .cse3 .cse10))) (and .cse8 .cse5 .cse6) (and .cse14 .cse5 .cse3) (and .cse1 .cse18 .cse4) (and .cse1 .cse15 .cse12 .cse4 .cse17) (and .cse8 .cse5 .cse12) (and .cse5 .cse2 .cse16) (and .cse5 .cse7 .cse10) (and .cse1 .cse9 .cse19 .cse3 .cse12) (and .cse13 .cse1 .cse2 .cse3 .cse10) (and .cse1 .cse14 .cse15 .cse11 .cse20) (and (or (and .cse15 .cse6) (and .cse3 .cse6)) .cse1 .cse9) (and .cse14 .cse8 (<= (+ ~a0~0 386992) 0)) (and .cse1 .cse9 .cse19 .cse2) (and .cse1 .cse11 .cse9 .cse18) (and .cse5 .cse6 .cse10) (and (or (and .cse0 .cse1 .cse3 .cse12 .cse4) (and .cse1 .cse15 .cse11 .cse20 .cse3 .cse12)) .cse17)))) [2023-11-29 05:28:18,972 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,972 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,972 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,972 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,972 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,972 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,972 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,973 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,974 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,974 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,974 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,974 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,974 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,974 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,974 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,974 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,974 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,974 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,974 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,975 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,976 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,977 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2023-11-29 05:28:18,978 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:28:18,979 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,980 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,981 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 05:28:18,981 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,981 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2023-11-29 05:28:18,984 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, 1, 1, 1] [2023-11-29 05:28:18,986 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:28:19,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_y_75 : int, v_z_75 : int :: ((0 <= 146 + v_z_75 + v_y_75 * 9 && v_z_75 <= 8) && v_y_75 * 10 + (v_z_75 * 10 + -4869710) / 9 + 1 <= ~a0~0) && 0 <= v_z_75) could not be translated [2023-11-29 05:28:19,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_y_75 : int, v_z_75 : int :: ((0 <= 146 + v_z_75 + v_y_75 * 9 && v_z_75 <= 8) && v_y_75 * 10 + (v_z_75 * 10 + -4869710) / 9 + 1 <= ~a0~0) && 0 <= v_z_75) could not be translated [2023-11-29 05:28:19,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_y_75 : int, v_z_75 : int :: ((0 <= 146 + v_z_75 + v_y_75 * 9 && v_z_75 <= 8) && v_y_75 * 10 + (v_z_75 * 10 + -4869710) / 9 + 1 <= ~a0~0) && 0 <= v_z_75) could not be translated [2023-11-29 05:28:19,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:28:19 BoogieIcfgContainer [2023-11-29 05:28:19,009 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:28:19,009 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:28:19,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:28:19,010 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:28:19,010 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:26:17" (3/4) ... [2023-11-29 05:28:19,012 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:28:19,041 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-29 05:28:19,044 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 05:28:19,048 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:28:19,051 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:28:19,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:28:19,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:28:19,320 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:28:19,320 INFO L158 Benchmark]: Toolchain (without parser) took 126710.88ms. Allocated memory was 182.5MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 146.1MB in the beginning and 483.3MB in the end (delta: -337.1MB). Peak memory consumption was 876.0MB. Max. memory is 16.1GB. [2023-11-29 05:28:19,321 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:28:19,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 985.76ms. Allocated memory is still 182.5MB. Free memory was 146.1MB in the beginning and 67.4MB in the end (delta: 78.7MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-11-29 05:28:19,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.00ms. Allocated memory is still 182.5MB. Free memory was 67.4MB in the beginning and 116.2MB in the end (delta: -48.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2023-11-29 05:28:19,321 INFO L158 Benchmark]: Boogie Preprocessor took 243.86ms. Allocated memory is still 182.5MB. Free memory was 116.2MB in the beginning and 58.5MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-29 05:28:19,322 INFO L158 Benchmark]: RCFGBuilder took 3044.68ms. Allocated memory was 182.5MB in the beginning and 266.3MB in the end (delta: 83.9MB). Free memory was 58.5MB in the beginning and 186.2MB in the end (delta: -127.7MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2023-11-29 05:28:19,322 INFO L158 Benchmark]: TraceAbstraction took 121904.59ms. Allocated memory was 266.3MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 186.2MB in the beginning and 511.6MB in the end (delta: -325.4MB). Peak memory consumption was 955.5MB. Max. memory is 16.1GB. [2023-11-29 05:28:19,323 INFO L158 Benchmark]: Witness Printer took 310.47ms. Allocated memory is still 1.4GB. Free memory was 511.6MB in the beginning and 483.3MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 05:28:19,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 985.76ms. Allocated memory is still 182.5MB. Free memory was 146.1MB in the beginning and 67.4MB in the end (delta: 78.7MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 215.00ms. Allocated memory is still 182.5MB. Free memory was 67.4MB in the beginning and 116.2MB in the end (delta: -48.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 243.86ms. Allocated memory is still 182.5MB. Free memory was 116.2MB in the beginning and 58.5MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3044.68ms. Allocated memory was 182.5MB in the beginning and 266.3MB in the end (delta: 83.9MB). Free memory was 58.5MB in the beginning and 186.2MB in the end (delta: -127.7MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * TraceAbstraction took 121904.59ms. Allocated memory was 266.3MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 186.2MB in the beginning and 511.6MB in the end (delta: -325.4MB). Peak memory consumption was 955.5MB. Max. memory is 16.1GB. * Witness Printer took 310.47ms. Allocated memory is still 1.4GB. Free memory was 511.6MB in the beginning and 483.3MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_y_75 : int, v_z_75 : int :: ((0 <= 146 + v_z_75 + v_y_75 * 9 && v_z_75 <= 8) && v_y_75 * 10 + (v_z_75 * 10 + -4869710) / 9 + 1 <= ~a0~0) && 0 <= v_z_75) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_y_75 : int, v_z_75 : int :: ((0 <= 146 + v_z_75 + v_y_75 * 9 && v_z_75 <= 8) && v_y_75 * 10 + (v_z_75 * 10 + -4869710) / 9 + 1 <= ~a0~0) && 0 <= v_z_75) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_y_75 : int, v_z_75 : int :: ((0 <= 146 + v_z_75 + v_y_75 * 9 && v_z_75 <= 8) && v_y_75 * 10 + (v_z_75 * 10 + -4869710) / 9 + 1 <= ~a0~0) && 0 <= v_z_75) could not be translated * 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: 176]: 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, 362 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 121.8s, OverallIterations: 28, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 60.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 mSolverCounterUnknown, 9219 SdHoareTripleChecker+Valid, 57.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9219 mSDsluCounter, 10490 SdHoareTripleChecker+Invalid, 51.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1126 mSDsCounter, 4750 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30840 IncrementalHoareTripleChecker+Invalid, 35604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4750 mSolverCounterUnsat, 9364 mSDtfsCounter, 30840 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9136 GetRequests, 9070 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21921occurred in iteration=17, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 28 MinimizatonAttempts, 45038 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 129 NumberOfFragments, 672 HoareAnnotationTreeSize, 1 FomulaSimplifications, 45516 FormulaSimplificationTreeSizeReduction, 13.6s HoareSimplificationTime, 1 FomulaSimplificationsInter, 25255 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 28.5s InterpolantComputationTime, 25985 NumberOfCodeBlocks, 25985 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 27024 ConstructedInterpolants, 661 QuantifiedInterpolants, 85294 SizeOfPredicates, 1 NumberOfNonLiveVariables, 9304 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 37 InterpolantComputations, 28 PerfectInterpolantSequences, 42883/45823 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: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((0 <= (a0 + 459337)) && ((42 + a4) <= 0)) && (a2 == 1)) && (a29 <= 42)) && (((a0 + 300075) == 0) || ((a0 + 300075) < 0))) || ((((89 + a4) <= 0) && (a29 <= 42)) && (3 == a2))) || ((((89 + a4) <= 0) && (a29 <= 42)) && (a2 == 4))) || (((((42 + a4) <= 0) && (44 <= a29)) && ((98 + a0) <= 0)) && (a2 == 1))) || ((((89 + a4) <= 0) && (a2 == 1)) && ((a0 + 61) <= 0))) || ((((0 <= (a29 + 15)) && ((89 + a4) <= 0)) && (a29 <= 42)) && (5 <= a2))) || ((((89 + a4) <= 0) && (5 <= a2)) && ((a0 + 61) <= 0))) || ((((0 <= (97 + a0)) && (2 == a2)) && (44 <= a29)) && ((89 + a4) <= 0))) || (((((42 + a4) <= 0) && (44 <= a29)) && ((98 + a0) <= 0)) && (5 <= a2))) || ((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && ((98 + a0) <= 0)) && (a2 == 4)) && ((a29 + 127) <= 0))) || (((((42 + a4) <= 0) && (2 == a2)) && (0 <= (a4 + 85))) && ((98 + a0) <= 0))) || ((((42 + a4) <= 0) && (0 <= (a29 + 15))) && ((((0 <= (a4 + 85)) && (a2 == 1)) && (a29 <= 42)) || (((a2 == 1) && (a29 <= 42)) && ((a0 + 61) <= 0))))) || (((44 <= a29) && ((89 + a4) <= 0)) && (3 == a2))) || (((2 == a2) && ((89 + a4) <= 0)) && (a29 <= 42))) || ((((42 + a4) <= 0) && (((0 <= (a4 + 85)) && (a2 == 4)) || ((a29 <= 42) && (a2 == 4)))) && (((a0 + 300075) == 0) || ((a0 + 300075) < 0)))) || (((((42 + a4) <= 0) && (0 <= (a4 + 85))) && (5 <= a2)) && (((a0 + 300075) == 0) || ((a0 + 300075) < 0)))) || (((44 <= a29) && ((89 + a4) <= 0)) && (5 <= a2))) || ((((89 + a4) <= 0) && (a2 == 1)) && ((a29 + 127) <= 0))) || ((((89 + a4) <= 0) && (a2 == 4)) && ((a0 + 61) <= 0))) || ((((((42 + a4) <= 0) && ((98 + a0) <= 0)) && (0 <= (146 + a0))) && (a29 <= 42)) && (5 <= a2))) || (((((0 <= (97 + a0)) && ((42 + a4) <= 0)) && (a2 == 1)) && (a29 <= 42)) && ((a0 + 61) <= 0))) || ((((((42 + a4) <= 0) && (2 == a2)) && (0 <= (a4 + 85))) && (0 <= (a29 + 15))) && ((a0 + 147) <= 0))) || (((((0 <= (a4 + 85)) && (3 == a2)) || ((a29 <= 42) && (3 == a2))) && ((42 + a4) <= 0)) && ((98 + a0) <= 0))) || (((2 == a2) && (44 <= a29)) && ((a0 + 386992) <= 0))) || (((((42 + a4) <= 0) && ((98 + a0) <= 0)) && (0 <= (146 + a0))) && (a2 == 1))) || (((((42 + a4) <= 0) && (0 <= (a29 + 15))) && ((98 + a0) <= 0)) && (((0 <= (a4 + 85)) && (a2 == 4)) || ((a29 <= 42) && (a2 == 4))))) || ((((89 + a4) <= 0) && (3 == a2)) && ((a0 + 61) <= 0))) || ((((((0 <= (a0 + 459337)) && ((42 + a4) <= 0)) && (a29 <= 42)) && (5 <= a2)) && (((a0 + 300075) == 0) || ((a0 + 300075) < 0))) || (((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && (0 <= (a29 + 15))) && ((a0 + 147) <= 0)) && (a29 <= 42)) && (5 <= a2)))) RESULT: Ultimate proved your program to be correct! [2023-11-29 05:28:19,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06cb87d-4840-4218-8081-8b064239f3b5/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