./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/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_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/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_64aea6c3-37bc-4328-962b-e9b90c9c4c61/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 540d5c4f35934e1abeb0886e7556fb35e244ff515a3f2091d43a3a4e43fb5fb5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:24:58,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:24:58,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:24:58,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:24:58,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:24:59,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:24:59,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:24:59,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:24:59,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:24:59,002 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:24:59,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:24:59,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:24:59,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:24:59,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:24:59,005 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:24:59,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:24:59,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:24:59,007 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:24:59,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:24:59,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:24:59,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:24:59,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:24:59,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:24:59,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:24:59,014 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:24:59,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:24:59,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:24:59,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:24:59,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:24:59,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:24:59,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:24:59,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:24:59,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:24:59,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:24:59,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:24:59,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:24:59,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:24:59,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:24:59,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:24:59,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:24:59,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:24:59,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:24:59,019 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_64aea6c3-37bc-4328-962b-e9b90c9c4c61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 540d5c4f35934e1abeb0886e7556fb35e244ff515a3f2091d43a3a4e43fb5fb5 [2023-11-29 03:24:59,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:24:59,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:24:59,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:24:59,283 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:24:59,283 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:24:59,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/eca-rers2012/Problem16_label02.c [2023-11-29 03:25:02,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:25:02,326 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:25:02,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/sv-benchmarks/c/eca-rers2012/Problem16_label02.c [2023-11-29 03:25:02,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/data/ff9e89f92/ed293e900a6e4441b9fb226f52336b6f/FLAGcdd0a810a [2023-11-29 03:25:02,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/data/ff9e89f92/ed293e900a6e4441b9fb226f52336b6f [2023-11-29 03:25:02,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:25:02,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:25:02,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:25:02,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:25:02,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:25:02,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:25:02" (1/1) ... [2023-11-29 03:25:02,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a222167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:02, skipping insertion in model container [2023-11-29 03:25:02,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:25:02" (1/1) ... [2023-11-29 03:25:02,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:25:02,629 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_64aea6c3-37bc-4328-962b-e9b90c9c4c61/sv-benchmarks/c/eca-rers2012/Problem16_label02.c[6387,6400] [2023-11-29 03:25:02,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:25:02,967 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:25:02,994 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_64aea6c3-37bc-4328-962b-e9b90c9c4c61/sv-benchmarks/c/eca-rers2012/Problem16_label02.c[6387,6400] [2023-11-29 03:25:03,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:25:03,321 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:25:03,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03 WrapperNode [2023-11-29 03:25:03,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:25:03,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:25:03,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:25:03,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:25:03,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,469 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769 [2023-11-29 03:25:03,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:25:03,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:25:03,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:25:03,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:25:03,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,495 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,555 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 03:25:03,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:25:03,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:25:03,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:25:03,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:25:03,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (1/1) ... [2023-11-29 03:25:03,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:25:03,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:25:03,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:25:03,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:25:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:25:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:25:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:25:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:25:03,802 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:25:03,804 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:25:05,812 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:25:05,857 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:25:05,857 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:25:05,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:25:05 BoogieIcfgContainer [2023-11-29 03:25:05,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:25:05,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:25:05,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:25:05,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:25:05,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:25:02" (1/3) ... [2023-11-29 03:25:05,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4035c6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:25:05, skipping insertion in model container [2023-11-29 03:25:05,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:25:03" (2/3) ... [2023-11-29 03:25:05,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4035c6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:25:05, skipping insertion in model container [2023-11-29 03:25:05,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:25:05" (3/3) ... [2023-11-29 03:25:05,867 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label02.c [2023-11-29 03:25:05,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:25:05,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:25:05,938 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:25:05,944 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;@25e40e6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:25:05,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:25:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 334 states, 332 states have (on average 1.9909638554216869) internal successors, (661), 333 states have internal predecessors, (661), 0 states have call successors, (0), 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 03:25:05,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-29 03:25:05,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:05,959 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:05,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:05,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:05,965 INFO L85 PathProgramCache]: Analyzing trace with hash 442117246, now seen corresponding path program 1 times [2023-11-29 03:25:05,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:05,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466576210] [2023-11-29 03:25:05,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:05,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:06,129 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 03:25:06,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:06,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466576210] [2023-11-29 03:25:06,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466576210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:06,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:06,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:25:06,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239081509] [2023-11-29 03:25:06,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:06,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:25:06,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:06,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:25:06,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:25:06,164 INFO L87 Difference]: Start difference. First operand has 334 states, 332 states have (on average 1.9909638554216869) internal successors, (661), 333 states have internal predecessors, (661), 0 states have call successors, (0), 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 30.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 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 03:25:06,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:06,217 INFO L93 Difference]: Finished difference Result 667 states and 1321 transitions. [2023-11-29 03:25:06,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:25:06,220 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2023-11-29 03:25:06,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:06,232 INFO L225 Difference]: With dead ends: 667 [2023-11-29 03:25:06,233 INFO L226 Difference]: Without dead ends: 332 [2023-11-29 03:25:06,236 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 03:25:06,240 INFO L413 NwaCegarLoop]: 596 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, 596 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 03:25:06,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 596 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:25:06,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-11-29 03:25:06,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2023-11-29 03:25:06,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 331 states have (on average 1.8006042296072509) internal successors, (596), 331 states have internal predecessors, (596), 0 states have call successors, (0), 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 03:25:06,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 596 transitions. [2023-11-29 03:25:06,290 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 596 transitions. Word has length 60 [2023-11-29 03:25:06,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:06,291 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 596 transitions. [2023-11-29 03:25:06,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 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 03:25:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 596 transitions. [2023-11-29 03:25:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-29 03:25:06,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:06,293 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:06,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:25:06,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:06,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:06,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1479852484, now seen corresponding path program 1 times [2023-11-29 03:25:06,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:06,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983796838] [2023-11-29 03:25:06,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:06,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:06,493 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 03:25:06,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:06,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983796838] [2023-11-29 03:25:06,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983796838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:06,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:06,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:25:06,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359755047] [2023-11-29 03:25:06,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:06,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:25:06,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:06,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:25:06,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:25:06,498 INFO L87 Difference]: Start difference. First operand 332 states and 596 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 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 03:25:08,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:08,395 INFO L93 Difference]: Finished difference Result 992 states and 1785 transitions. [2023-11-29 03:25:08,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:25:08,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2023-11-29 03:25:08,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:08,401 INFO L225 Difference]: With dead ends: 992 [2023-11-29 03:25:08,401 INFO L226 Difference]: Without dead ends: 661 [2023-11-29 03:25:08,402 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 03:25:08,404 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 289 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 384 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:08,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 77 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [384 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:25:08,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2023-11-29 03:25:08,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2023-11-29 03:25:08,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 660 states have (on average 1.7015151515151514) internal successors, (1123), 660 states have internal predecessors, (1123), 0 states have call successors, (0), 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 03:25:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 1123 transitions. [2023-11-29 03:25:08,437 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 1123 transitions. Word has length 60 [2023-11-29 03:25:08,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:08,438 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 1123 transitions. [2023-11-29 03:25:08,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 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 03:25:08,438 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1123 transitions. [2023-11-29 03:25:08,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 03:25:08,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:08,441 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:08,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:25:08,442 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:08,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:08,443 INFO L85 PathProgramCache]: Analyzing trace with hash -2063014620, now seen corresponding path program 1 times [2023-11-29 03:25:08,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:08,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459314439] [2023-11-29 03:25:08,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:08,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:08,601 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:25:08,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:08,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459314439] [2023-11-29 03:25:08,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459314439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:08,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:08,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:25:08,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191129566] [2023-11-29 03:25:08,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:08,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:25:08,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:08,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:25:08,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:25:08,604 INFO L87 Difference]: Start difference. First operand 661 states and 1123 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 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 03:25:10,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:10,008 INFO L93 Difference]: Finished difference Result 1979 states and 3366 transitions. [2023-11-29 03:25:10,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:25:10,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2023-11-29 03:25:10,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:10,017 INFO L225 Difference]: With dead ends: 1979 [2023-11-29 03:25:10,017 INFO L226 Difference]: Without dead ends: 1319 [2023-11-29 03:25:10,018 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 03:25:10,020 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 343 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:10,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 75 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:25:10,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2023-11-29 03:25:10,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1319. [2023-11-29 03:25:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 1318 states have (on average 1.6206373292867982) internal successors, (2136), 1318 states have internal predecessors, (2136), 0 states have call successors, (0), 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 03:25:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 2136 transitions. [2023-11-29 03:25:10,062 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 2136 transitions. Word has length 126 [2023-11-29 03:25:10,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:10,063 INFO L495 AbstractCegarLoop]: Abstraction has 1319 states and 2136 transitions. [2023-11-29 03:25:10,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 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 03:25:10,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 2136 transitions. [2023-11-29 03:25:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-29 03:25:10,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:10,067 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:10,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:25:10,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:10,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:10,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1915713166, now seen corresponding path program 1 times [2023-11-29 03:25:10,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:10,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435718047] [2023-11-29 03:25:10,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:10,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:25:10,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:10,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435718047] [2023-11-29 03:25:10,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435718047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:10,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:10,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:25:10,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360071079] [2023-11-29 03:25:10,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:10,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:25:10,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:10,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:25:10,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:25:10,197 INFO L87 Difference]: Start difference. First operand 1319 states and 2136 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:25:11,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:11,705 INFO L93 Difference]: Finished difference Result 3295 states and 5284 transitions. [2023-11-29 03:25:11,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:25:11,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2023-11-29 03:25:11,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:11,716 INFO L225 Difference]: With dead ends: 3295 [2023-11-29 03:25:11,716 INFO L226 Difference]: Without dead ends: 1977 [2023-11-29 03:25:11,718 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 03:25:11,719 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 381 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:11,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 153 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:25:11,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2023-11-29 03:25:11,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1977. [2023-11-29 03:25:11,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1977 states, 1976 states have (on average 1.33248987854251) internal successors, (2633), 1976 states have internal predecessors, (2633), 0 states have call successors, (0), 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 03:25:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2633 transitions. [2023-11-29 03:25:11,757 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2633 transitions. Word has length 127 [2023-11-29 03:25:11,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:11,757 INFO L495 AbstractCegarLoop]: Abstraction has 1977 states and 2633 transitions. [2023-11-29 03:25:11,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:25:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2633 transitions. [2023-11-29 03:25:11,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 03:25:11,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:11,762 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, 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] [2023-11-29 03:25:11,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:25:11,762 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:11,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:11,763 INFO L85 PathProgramCache]: Analyzing trace with hash -153859660, now seen corresponding path program 1 times [2023-11-29 03:25:11,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:11,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392954445] [2023-11-29 03:25:11,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:11,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:25:11,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:11,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392954445] [2023-11-29 03:25:11,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392954445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:11,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:11,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:25:11,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226936734] [2023-11-29 03:25:11,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:11,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:25:11,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:11,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:25:11,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:25:11,958 INFO L87 Difference]: Start difference. First operand 1977 states and 2633 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 2 states have internal predecessors, (219), 0 states have call successors, (0), 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 03:25:13,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:13,413 INFO L93 Difference]: Finished difference Result 5927 states and 7896 transitions. [2023-11-29 03:25:13,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:25:13,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 2 states have internal predecessors, (219), 0 states have call successors, (0), 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 219 [2023-11-29 03:25:13,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:13,433 INFO L225 Difference]: With dead ends: 5927 [2023-11-29 03:25:13,433 INFO L226 Difference]: Without dead ends: 3951 [2023-11-29 03:25:13,436 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 03:25:13,437 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 183 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:13,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 255 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:25:13,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3951 states. [2023-11-29 03:25:13,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3951 to 3951. [2023-11-29 03:25:13,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3951 states, 3950 states have (on average 1.2172151898734178) internal successors, (4808), 3950 states have internal predecessors, (4808), 0 states have call successors, (0), 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 03:25:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 3951 states and 4808 transitions. [2023-11-29 03:25:13,530 INFO L78 Accepts]: Start accepts. Automaton has 3951 states and 4808 transitions. Word has length 219 [2023-11-29 03:25:13,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:13,531 INFO L495 AbstractCegarLoop]: Abstraction has 3951 states and 4808 transitions. [2023-11-29 03:25:13,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 2 states have internal predecessors, (219), 0 states have call successors, (0), 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 03:25:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3951 states and 4808 transitions. [2023-11-29 03:25:13,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-11-29 03:25:13,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:13,537 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, 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] [2023-11-29 03:25:13,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:25:13,538 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:13,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:13,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1098673478, now seen corresponding path program 1 times [2023-11-29 03:25:13,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:13,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822743987] [2023-11-29 03:25:13,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:13,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:25:13,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:13,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822743987] [2023-11-29 03:25:13,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822743987] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:25:13,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874428242] [2023-11-29 03:25:13,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:13,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:13,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:25:13,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:25:13,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:25:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:14,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:25:14,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:14,547 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-29 03:25:14,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:25:14,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874428242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:14,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:25:14,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-11-29 03:25:14,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565991583] [2023-11-29 03:25:14,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:14,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:25:14,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:14,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:25:14,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:25:14,551 INFO L87 Difference]: Start difference. First operand 3951 states and 4808 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 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 03:25:15,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:15,631 INFO L93 Difference]: Finished difference Result 5269 states and 6253 transitions. [2023-11-29 03:25:15,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:25:15,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 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 303 [2023-11-29 03:25:15,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:15,652 INFO L225 Difference]: With dead ends: 5269 [2023-11-29 03:25:15,653 INFO L226 Difference]: Without dead ends: 5267 [2023-11-29 03:25:15,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:25:15,655 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 109 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:15,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 156 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:25:15,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5267 states. [2023-11-29 03:25:15,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5267 to 4609. [2023-11-29 03:25:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4609 states, 4608 states have (on average 1.2013888888888888) internal successors, (5536), 4608 states have internal predecessors, (5536), 0 states have call successors, (0), 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 03:25:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4609 states to 4609 states and 5536 transitions. [2023-11-29 03:25:15,765 INFO L78 Accepts]: Start accepts. Automaton has 4609 states and 5536 transitions. Word has length 303 [2023-11-29 03:25:15,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:15,766 INFO L495 AbstractCegarLoop]: Abstraction has 4609 states and 5536 transitions. [2023-11-29 03:25:15,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 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 03:25:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4609 states and 5536 transitions. [2023-11-29 03:25:15,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-29 03:25:15,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:15,776 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:15,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:25:15,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:15,977 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:15,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:15,978 INFO L85 PathProgramCache]: Analyzing trace with hash 627824811, now seen corresponding path program 1 times [2023-11-29 03:25:15,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:15,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706432933] [2023-11-29 03:25:15,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:15,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-29 03:25:16,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:16,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706432933] [2023-11-29 03:25:16,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706432933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:16,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:16,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:25:16,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624829422] [2023-11-29 03:25:16,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:16,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:25:16,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:16,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:25:16,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:25:16,814 INFO L87 Difference]: Start difference. First operand 4609 states and 5536 transitions. Second operand has 4 states, 4 states have (on average 88.5) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:25:18,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:18,335 INFO L93 Difference]: Finished difference Result 9559 states and 11425 transitions. [2023-11-29 03:25:18,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:25:18,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 88.5) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 412 [2023-11-29 03:25:18,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:18,359 INFO L225 Difference]: With dead ends: 9559 [2023-11-29 03:25:18,359 INFO L226 Difference]: Without dead ends: 4951 [2023-11-29 03:25:18,366 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 03:25:18,367 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 173 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:18,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 362 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:25:18,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4951 states. [2023-11-29 03:25:18,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4951 to 4938. [2023-11-29 03:25:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4938 states, 4937 states have (on average 1.1891837148065627) internal successors, (5871), 4937 states have internal predecessors, (5871), 0 states have call successors, (0), 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 03:25:18,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4938 states to 4938 states and 5871 transitions. [2023-11-29 03:25:18,493 INFO L78 Accepts]: Start accepts. Automaton has 4938 states and 5871 transitions. Word has length 412 [2023-11-29 03:25:18,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:18,493 INFO L495 AbstractCegarLoop]: Abstraction has 4938 states and 5871 transitions. [2023-11-29 03:25:18,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.5) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:25:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 4938 states and 5871 transitions. [2023-11-29 03:25:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2023-11-29 03:25:18,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:18,509 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:18,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:25:18,509 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:18,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:18,510 INFO L85 PathProgramCache]: Analyzing trace with hash -478139912, now seen corresponding path program 1 times [2023-11-29 03:25:18,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:18,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673693692] [2023-11-29 03:25:18,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-29 03:25:19,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:19,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673693692] [2023-11-29 03:25:19,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673693692] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:25:19,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669440103] [2023-11-29 03:25:19,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:19,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:19,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:25:19,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:25:19,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:25:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:19,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:25:19,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:20,439 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-29 03:25:20,439 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:25:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-29 03:25:25,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669440103] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:25:25,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:25:25,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-11-29 03:25:25,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522869113] [2023-11-29 03:25:25,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:25:25,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:25:25,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:25,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:25:25,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:25:25,419 INFO L87 Difference]: Start difference. First operand 4938 states and 5871 transitions. Second operand has 8 states, 8 states have (on average 111.125) internal successors, (889), 7 states have internal predecessors, (889), 0 states have call successors, (0), 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 03:25:35,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:35,015 INFO L93 Difference]: Finished difference Result 16784 states and 20175 transitions. [2023-11-29 03:25:35,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:25:35,016 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 111.125) internal successors, (889), 7 states have internal predecessors, (889), 0 states have call successors, (0), 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 474 [2023-11-29 03:25:35,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:35,061 INFO L225 Difference]: With dead ends: 16784 [2023-11-29 03:25:35,061 INFO L226 Difference]: Without dead ends: 12176 [2023-11-29 03:25:35,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 952 GetRequests, 943 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:25:35,067 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1277 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5281 mSolverCounterSat, 1719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 7000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1719 IncrementalHoareTripleChecker+Valid, 5281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:35,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 48 Invalid, 7000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1719 Valid, 5281 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2023-11-29 03:25:35,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12176 states. [2023-11-29 03:25:35,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12176 to 10860. [2023-11-29 03:25:35,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10860 states, 10859 states have (on average 1.1919145409337877) internal successors, (12943), 10859 states have internal predecessors, (12943), 0 states have call successors, (0), 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 03:25:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10860 states to 10860 states and 12943 transitions. [2023-11-29 03:25:35,231 INFO L78 Accepts]: Start accepts. Automaton has 10860 states and 12943 transitions. Word has length 474 [2023-11-29 03:25:35,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:35,232 INFO L495 AbstractCegarLoop]: Abstraction has 10860 states and 12943 transitions. [2023-11-29 03:25:35,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 111.125) internal successors, (889), 7 states have internal predecessors, (889), 0 states have call successors, (0), 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 03:25:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 10860 states and 12943 transitions. [2023-11-29 03:25:35,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2023-11-29 03:25:35,250 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:35,251 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:35,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:25:35,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:35,454 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:35,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:35,454 INFO L85 PathProgramCache]: Analyzing trace with hash -13274896, now seen corresponding path program 1 times [2023-11-29 03:25:35,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:35,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42056149] [2023-11-29 03:25:35,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:35,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-29 03:25:36,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:36,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42056149] [2023-11-29 03:25:36,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42056149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:36,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:36,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:25:36,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914538322] [2023-11-29 03:25:36,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:36,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:25:36,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:36,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:25:36,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:25:36,013 INFO L87 Difference]: Start difference. First operand 10860 states and 12943 transitions. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 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 03:25:37,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:37,436 INFO L93 Difference]: Finished difference Result 25338 states and 30659 transitions. [2023-11-29 03:25:37,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:25:37,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 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 561 [2023-11-29 03:25:37,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:37,454 INFO L225 Difference]: With dead ends: 25338 [2023-11-29 03:25:37,454 INFO L226 Difference]: Without dead ends: 14808 [2023-11-29 03:25:37,461 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 03:25:37,462 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 171 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:37,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 592 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 03:25:37,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14808 states. [2023-11-29 03:25:37,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14808 to 14150. [2023-11-29 03:25:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14150 states, 14149 states have (on average 1.1548519329987985) internal successors, (16340), 14149 states have internal predecessors, (16340), 0 states have call successors, (0), 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 03:25:37,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14150 states to 14150 states and 16340 transitions. [2023-11-29 03:25:37,612 INFO L78 Accepts]: Start accepts. Automaton has 14150 states and 16340 transitions. Word has length 561 [2023-11-29 03:25:37,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:37,613 INFO L495 AbstractCegarLoop]: Abstraction has 14150 states and 16340 transitions. [2023-11-29 03:25:37,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 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 03:25:37,613 INFO L276 IsEmpty]: Start isEmpty. Operand 14150 states and 16340 transitions. [2023-11-29 03:25:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2023-11-29 03:25:37,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:37,621 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, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:37,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:25:37,621 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:37,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:37,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1200079815, now seen corresponding path program 1 times [2023-11-29 03:25:37,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:37,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207050475] [2023-11-29 03:25:37,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:37,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-11-29 03:25:38,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:38,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207050475] [2023-11-29 03:25:38,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207050475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:38,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:38,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:25:38,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480244353] [2023-11-29 03:25:38,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:38,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:25:38,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:38,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:25:38,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:25:38,390 INFO L87 Difference]: Start difference. First operand 14150 states and 16340 transitions. Second operand has 7 states, 7 states have (on average 56.42857142857143) internal successors, (395), 6 states have internal predecessors, (395), 0 states have call successors, (0), 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 03:25:40,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:40,102 INFO L93 Difference]: Finished difference Result 27046 states and 31372 transitions. [2023-11-29 03:25:40,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:25:40,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 56.42857142857143) internal successors, (395), 6 states have internal predecessors, (395), 0 states have call successors, (0), 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 565 [2023-11-29 03:25:40,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:40,117 INFO L225 Difference]: With dead ends: 27046 [2023-11-29 03:25:40,117 INFO L226 Difference]: Without dead ends: 13247 [2023-11-29 03:25:40,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:25:40,127 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 312 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 1865 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 2226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 1865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:40,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 278 Invalid, 2226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 1865 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 03:25:40,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13247 states. [2023-11-29 03:25:40,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13247 to 11907. [2023-11-29 03:25:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11907 states, 11906 states have (on average 1.0703846799932808) internal successors, (12744), 11906 states have internal predecessors, (12744), 0 states have call successors, (0), 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 03:25:40,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11907 states to 11907 states and 12744 transitions. [2023-11-29 03:25:40,249 INFO L78 Accepts]: Start accepts. Automaton has 11907 states and 12744 transitions. Word has length 565 [2023-11-29 03:25:40,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:40,250 INFO L495 AbstractCegarLoop]: Abstraction has 11907 states and 12744 transitions. [2023-11-29 03:25:40,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.42857142857143) internal successors, (395), 6 states have internal predecessors, (395), 0 states have call successors, (0), 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 03:25:40,250 INFO L276 IsEmpty]: Start isEmpty. Operand 11907 states and 12744 transitions. [2023-11-29 03:25:40,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2023-11-29 03:25:40,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:40,258 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, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:40,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:25:40,258 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:40,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:40,259 INFO L85 PathProgramCache]: Analyzing trace with hash -723003292, now seen corresponding path program 1 times [2023-11-29 03:25:40,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:40,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276835520] [2023-11-29 03:25:40,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:40,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:40,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 902 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-11-29 03:25:40,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:40,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276835520] [2023-11-29 03:25:40,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276835520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:40,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:40,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:25:40,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419332161] [2023-11-29 03:25:40,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:40,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:25:40,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:40,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:25:40,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:25:40,839 INFO L87 Difference]: Start difference. First operand 11907 states and 12744 transitions. Second operand has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 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 03:25:41,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:41,840 INFO L93 Difference]: Finished difference Result 26774 states and 28793 transitions. [2023-11-29 03:25:41,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:25:41,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 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 697 [2023-11-29 03:25:41,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:41,861 INFO L225 Difference]: With dead ends: 26774 [2023-11-29 03:25:41,861 INFO L226 Difference]: Without dead ends: 15197 [2023-11-29 03:25:41,869 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 03:25:41,870 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 227 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:41,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 39 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:25:41,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15197 states. [2023-11-29 03:25:41,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15197 to 14868. [2023-11-29 03:25:42,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14868 states, 14867 states have (on average 1.0737203201721934) internal successors, (15963), 14867 states have internal predecessors, (15963), 0 states have call successors, (0), 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 03:25:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14868 states to 14868 states and 15963 transitions. [2023-11-29 03:25:42,026 INFO L78 Accepts]: Start accepts. Automaton has 14868 states and 15963 transitions. Word has length 697 [2023-11-29 03:25:42,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:42,027 INFO L495 AbstractCegarLoop]: Abstraction has 14868 states and 15963 transitions. [2023-11-29 03:25:42,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 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 03:25:42,028 INFO L276 IsEmpty]: Start isEmpty. Operand 14868 states and 15963 transitions. [2023-11-29 03:25:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2023-11-29 03:25:42,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:42,041 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, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:42,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:25:42,042 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:42,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:42,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1657487907, now seen corresponding path program 1 times [2023-11-29 03:25:42,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:42,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343015953] [2023-11-29 03:25:42,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:42,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:43,072 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 544 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2023-11-29 03:25:43,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:43,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343015953] [2023-11-29 03:25:43,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343015953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:43,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:43,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:25:43,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3227989] [2023-11-29 03:25:43,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:43,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:25:43,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:43,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:25:43,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:25:43,076 INFO L87 Difference]: Start difference. First operand 14868 states and 15963 transitions. Second operand has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 0 states have call successors, (0), 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 03:25:44,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:44,200 INFO L93 Difference]: Finished difference Result 15258 states and 16360 transitions. [2023-11-29 03:25:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:25:44,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 0 states have call successors, (0), 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 721 [2023-11-29 03:25:44,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:44,218 INFO L225 Difference]: With dead ends: 15258 [2023-11-29 03:25:44,219 INFO L226 Difference]: Without dead ends: 15197 [2023-11-29 03:25:44,223 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 03:25:44,224 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 504 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:44,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 14 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 03:25:44,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15197 states. [2023-11-29 03:25:44,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15197 to 14868. [2023-11-29 03:25:44,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14868 states, 14867 states have (on average 1.0733167417770901) internal successors, (15957), 14867 states have internal predecessors, (15957), 0 states have call successors, (0), 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 03:25:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14868 states to 14868 states and 15957 transitions. [2023-11-29 03:25:44,446 INFO L78 Accepts]: Start accepts. Automaton has 14868 states and 15957 transitions. Word has length 721 [2023-11-29 03:25:44,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:44,446 INFO L495 AbstractCegarLoop]: Abstraction has 14868 states and 15957 transitions. [2023-11-29 03:25:44,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 0 states have call successors, (0), 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 03:25:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 14868 states and 15957 transitions. [2023-11-29 03:25:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2023-11-29 03:25:44,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:44,462 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:44,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:25:44,462 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:44,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:44,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1227927826, now seen corresponding path program 1 times [2023-11-29 03:25:44,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:44,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900448986] [2023-11-29 03:25:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:44,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 786 proven. 156 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2023-11-29 03:25:46,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:46,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900448986] [2023-11-29 03:25:46,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900448986] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:25:46,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650056733] [2023-11-29 03:25:46,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:46,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:46,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:25:46,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:25:46,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:25:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:46,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:25:46,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:46,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 1003 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-11-29 03:25:46,481 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:25:46,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650056733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:46,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:25:46,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-29 03:25:46,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177901955] [2023-11-29 03:25:46,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:46,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:25:46,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:46,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:25:46,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:25:46,484 INFO L87 Difference]: Start difference. First operand 14868 states and 15957 transitions. Second operand has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 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 03:25:47,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:47,505 INFO L93 Difference]: Finished difference Result 32696 states and 35218 transitions. [2023-11-29 03:25:47,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:25:47,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 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 807 [2023-11-29 03:25:47,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:47,518 INFO L225 Difference]: With dead ends: 32696 [2023-11-29 03:25:47,518 INFO L226 Difference]: Without dead ends: 18158 [2023-11-29 03:25:47,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 811 GetRequests, 806 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:25:47,529 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 173 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:47,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 449 Invalid, 904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:25:47,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18158 states. [2023-11-29 03:25:47,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18158 to 17500. [2023-11-29 03:25:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17500 states, 17499 states have (on average 1.0630893193896793) internal successors, (18603), 17499 states have internal predecessors, (18603), 0 states have call successors, (0), 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 03:25:47,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17500 states to 17500 states and 18603 transitions. [2023-11-29 03:25:47,703 INFO L78 Accepts]: Start accepts. Automaton has 17500 states and 18603 transitions. Word has length 807 [2023-11-29 03:25:47,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:47,704 INFO L495 AbstractCegarLoop]: Abstraction has 17500 states and 18603 transitions. [2023-11-29 03:25:47,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 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 03:25:47,704 INFO L276 IsEmpty]: Start isEmpty. Operand 17500 states and 18603 transitions. [2023-11-29 03:25:47,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2023-11-29 03:25:47,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:47,716 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:47,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:25:47,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:47,917 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:47,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:47,917 INFO L85 PathProgramCache]: Analyzing trace with hash -157142388, now seen corresponding path program 1 times [2023-11-29 03:25:47,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:47,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953694703] [2023-11-29 03:25:47,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:47,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 118 proven. 542 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 03:25:48,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:48,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953694703] [2023-11-29 03:25:48,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953694703] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:25:48,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684754236] [2023-11-29 03:25:48,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:48,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:48,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:25:48,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:25:48,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:25:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:49,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:25:49,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2023-11-29 03:25:49,344 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:25:49,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684754236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:49,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:25:49,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 03:25:49,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453378757] [2023-11-29 03:25:49,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:49,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:25:49,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:49,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:25:49,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:25:49,348 INFO L87 Difference]: Start difference. First operand 17500 states and 18603 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 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 03:25:50,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:50,206 INFO L93 Difference]: Finished difference Result 34670 states and 36874 transitions. [2023-11-29 03:25:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:25:50,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 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 820 [2023-11-29 03:25:50,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:50,221 INFO L225 Difference]: With dead ends: 34670 [2023-11-29 03:25:50,221 INFO L226 Difference]: Without dead ends: 17500 [2023-11-29 03:25:50,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 820 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 03:25:50,230 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 306 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:50,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 378 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:25:50,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17500 states. [2023-11-29 03:25:50,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17500 to 17171. [2023-11-29 03:25:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17171 states, 17170 states have (on average 1.0557367501456028) internal successors, (18127), 17170 states have internal predecessors, (18127), 0 states have call successors, (0), 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 03:25:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17171 states to 17171 states and 18127 transitions. [2023-11-29 03:25:50,437 INFO L78 Accepts]: Start accepts. Automaton has 17171 states and 18127 transitions. Word has length 820 [2023-11-29 03:25:50,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:50,438 INFO L495 AbstractCegarLoop]: Abstraction has 17171 states and 18127 transitions. [2023-11-29 03:25:50,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 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 03:25:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 17171 states and 18127 transitions. [2023-11-29 03:25:50,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2023-11-29 03:25:50,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:50,452 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, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:50,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:25:50,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:50,653 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:50,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:50,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1813108746, now seen corresponding path program 1 times [2023-11-29 03:25:50,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:50,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182240659] [2023-11-29 03:25:50,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:50,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 941 proven. 100 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2023-11-29 03:25:51,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:51,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182240659] [2023-11-29 03:25:51,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182240659] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:25:51,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172831050] [2023-11-29 03:25:51,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:51,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:51,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:25:51,605 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:25:51,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:25:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:51,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 03:25:51,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:54,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 249 proven. 851 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-11-29 03:25:54,196 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:25:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 308 proven. 792 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-11-29 03:25:56,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172831050] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:25:56,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:25:56,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 12 [2023-11-29 03:25:56,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920184658] [2023-11-29 03:25:56,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:25:56,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 03:25:56,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:56,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 03:25:56,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:25:56,550 INFO L87 Difference]: Start difference. First operand 17171 states and 18127 transitions. Second operand has 13 states, 13 states have (on average 117.84615384615384) internal successors, (1532), 12 states have internal predecessors, (1532), 0 states have call successors, (0), 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 03:26:04,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:04,759 INFO L93 Difference]: Finished difference Result 44465 states and 46799 transitions. [2023-11-29 03:26:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 03:26:04,759 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 117.84615384615384) internal successors, (1532), 12 states have internal predecessors, (1532), 0 states have call successors, (0), 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 868 [2023-11-29 03:26:04,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:04,778 INFO L225 Difference]: With dead ends: 44465 [2023-11-29 03:26:04,778 INFO L226 Difference]: Without dead ends: 27504 [2023-11-29 03:26:04,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1763 GetRequests, 1727 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=393, Invalid=1013, Unknown=0, NotChecked=0, Total=1406 [2023-11-29 03:26:04,788 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 4987 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 11182 mSolverCounterSat, 1170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4987 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 12352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1170 IncrementalHoareTripleChecker+Valid, 11182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:04,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4987 Valid, 117 Invalid, 12352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1170 Valid, 11182 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-11-29 03:26:04,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27504 states. [2023-11-29 03:26:04,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27504 to 22106. [2023-11-29 03:26:04,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22106 states, 22105 states have (on average 1.0499886903415516) internal successors, (23210), 22105 states have internal predecessors, (23210), 0 states have call successors, (0), 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 03:26:05,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22106 states to 22106 states and 23210 transitions. [2023-11-29 03:26:05,012 INFO L78 Accepts]: Start accepts. Automaton has 22106 states and 23210 transitions. Word has length 868 [2023-11-29 03:26:05,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:05,013 INFO L495 AbstractCegarLoop]: Abstraction has 22106 states and 23210 transitions. [2023-11-29 03:26:05,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 117.84615384615384) internal successors, (1532), 12 states have internal predecessors, (1532), 0 states have call successors, (0), 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 03:26:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 22106 states and 23210 transitions. [2023-11-29 03:26:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2023-11-29 03:26:05,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:05,027 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, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 03:26:05,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:26:05,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 03:26:05,227 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:05,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:05,228 INFO L85 PathProgramCache]: Analyzing trace with hash 344341187, now seen corresponding path program 1 times [2023-11-29 03:26:05,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:05,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65819657] [2023-11-29 03:26:05,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:05,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1573 backedges. 1131 proven. 258 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-29 03:26:06,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:06,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65819657] [2023-11-29 03:26:06,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65819657] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:06,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912014123] [2023-11-29 03:26:06,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:06,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:06,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:06,614 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:06,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:26:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:06,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:26:06,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1573 backedges. 1294 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-11-29 03:26:07,865 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:26:07,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912014123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:07,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:26:07,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-29 03:26:07,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481301092] [2023-11-29 03:26:07,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:07,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:26:07,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:07,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:26:07,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:26:07,869 INFO L87 Difference]: Start difference. First operand 22106 states and 23210 transitions. Second operand has 4 states, 4 states have (on average 188.25) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 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 03:26:09,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:09,030 INFO L93 Difference]: Finished difference Result 43882 states and 46088 transitions. [2023-11-29 03:26:09,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:26:09,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 188.25) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 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 970 [2023-11-29 03:26:09,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:09,045 INFO L225 Difference]: With dead ends: 43882 [2023-11-29 03:26:09,045 INFO L226 Difference]: Without dead ends: 22106 [2023-11-29 03:26:09,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 975 GetRequests, 968 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:26:09,055 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 320 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:09,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 37 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1132 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:26:09,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22106 states. [2023-11-29 03:26:09,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22106 to 21777. [2023-11-29 03:26:09,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21777 states, 21776 states have (on average 1.0501469507714916) internal successors, (22868), 21776 states have internal predecessors, (22868), 0 states have call successors, (0), 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 03:26:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21777 states to 21777 states and 22868 transitions. [2023-11-29 03:26:09,248 INFO L78 Accepts]: Start accepts. Automaton has 21777 states and 22868 transitions. Word has length 970 [2023-11-29 03:26:09,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:09,248 INFO L495 AbstractCegarLoop]: Abstraction has 21777 states and 22868 transitions. [2023-11-29 03:26:09,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 188.25) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 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 03:26:09,248 INFO L276 IsEmpty]: Start isEmpty. Operand 21777 states and 22868 transitions. [2023-11-29 03:26:09,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1009 [2023-11-29 03:26:09,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:09,262 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, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 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 03:26:09,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-29 03:26:09,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 03:26:09,463 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:09,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:09,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1961861457, now seen corresponding path program 1 times [2023-11-29 03:26:09,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:09,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830863177] [2023-11-29 03:26:09,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:09,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:10,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1996 backedges. 1188 proven. 115 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2023-11-29 03:26:10,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:10,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830863177] [2023-11-29 03:26:10,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830863177] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:10,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137717280] [2023-11-29 03:26:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:10,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:10,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:10,520 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:10,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:26:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:10,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 03:26:10,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1996 backedges. 1188 proven. 115 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2023-11-29 03:26:12,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:26:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1996 backedges. 1188 proven. 115 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2023-11-29 03:26:13,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137717280] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:26:13,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:26:13,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2023-11-29 03:26:13,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602042340] [2023-11-29 03:26:13,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:26:13,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:26:13,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:13,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:26:13,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:26:13,852 INFO L87 Difference]: Start difference. First operand 21777 states and 22868 transitions. Second operand has 7 states, 7 states have (on average 111.0) internal successors, (777), 6 states have internal predecessors, (777), 0 states have call successors, (0), 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 03:26:16,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:16,590 INFO L93 Difference]: Finished difference Result 43605 states and 45793 transitions. [2023-11-29 03:26:16,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:26:16,591 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 111.0) internal successors, (777), 6 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1008 [2023-11-29 03:26:16,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:16,605 INFO L225 Difference]: With dead ends: 43605 [2023-11-29 03:26:16,605 INFO L226 Difference]: Without dead ends: 22158 [2023-11-29 03:26:16,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2023 GetRequests, 2014 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:26:16,613 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 893 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4459 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 4607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 4459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:16,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 145 Invalid, 4607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 4459 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 03:26:16,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22158 states. [2023-11-29 03:26:16,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22158 to 21119. [2023-11-29 03:26:16,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21119 states, 21118 states have (on average 1.0457429680840988) internal successors, (22084), 21118 states have internal predecessors, (22084), 0 states have call successors, (0), 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 03:26:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21119 states to 21119 states and 22084 transitions. [2023-11-29 03:26:16,792 INFO L78 Accepts]: Start accepts. Automaton has 21119 states and 22084 transitions. Word has length 1008 [2023-11-29 03:26:16,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:16,793 INFO L495 AbstractCegarLoop]: Abstraction has 21119 states and 22084 transitions. [2023-11-29 03:26:16,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 111.0) internal successors, (777), 6 states have internal predecessors, (777), 0 states have call successors, (0), 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 03:26:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 21119 states and 22084 transitions. [2023-11-29 03:26:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1051 [2023-11-29 03:26:16,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:16,806 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, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:16,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 03:26:17,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 03:26:17,007 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:17,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:17,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1071911903, now seen corresponding path program 1 times [2023-11-29 03:26:17,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:17,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582831131] [2023-11-29 03:26:17,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:17,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2268 backedges. 1447 proven. 0 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2023-11-29 03:26:17,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:17,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582831131] [2023-11-29 03:26:17,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582831131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:17,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:17,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:26:17,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103510157] [2023-11-29 03:26:17,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:17,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:17,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:17,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:17,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:17,605 INFO L87 Difference]: Start difference. First operand 21119 states and 22084 transitions. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 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 03:26:18,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:18,560 INFO L93 Difference]: Finished difference Result 41908 states and 43836 transitions. [2023-11-29 03:26:18,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:18,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 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 1050 [2023-11-29 03:26:18,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:18,574 INFO L225 Difference]: With dead ends: 41908 [2023-11-29 03:26:18,574 INFO L226 Difference]: Without dead ends: 21119 [2023-11-29 03:26:18,581 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 03:26:18,582 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 220 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:18,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 444 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:26:18,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21119 states. [2023-11-29 03:26:18,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21119 to 19474. [2023-11-29 03:26:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19474 states, 19473 states have (on average 1.0341498485081908) internal successors, (20138), 19473 states have internal predecessors, (20138), 0 states have call successors, (0), 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 03:26:18,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19474 states to 19474 states and 20138 transitions. [2023-11-29 03:26:18,750 INFO L78 Accepts]: Start accepts. Automaton has 19474 states and 20138 transitions. Word has length 1050 [2023-11-29 03:26:18,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:18,750 INFO L495 AbstractCegarLoop]: Abstraction has 19474 states and 20138 transitions. [2023-11-29 03:26:18,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 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 03:26:18,751 INFO L276 IsEmpty]: Start isEmpty. Operand 19474 states and 20138 transitions. [2023-11-29 03:26:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2023-11-29 03:26:18,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:18,761 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, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:26:18,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 03:26:18,762 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:18,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:18,762 INFO L85 PathProgramCache]: Analyzing trace with hash 892041774, now seen corresponding path program 1 times [2023-11-29 03:26:18,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:18,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197015430] [2023-11-29 03:26:18,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 2045 trivial. 0 not checked. [2023-11-29 03:26:19,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:19,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197015430] [2023-11-29 03:26:19,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197015430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:19,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:19,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:26:19,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829919797] [2023-11-29 03:26:19,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:19,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:19,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:19,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:19,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:19,404 INFO L87 Difference]: Start difference. First operand 19474 states and 20138 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 03:26:20,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:20,257 INFO L93 Difference]: Finished difference Result 38618 states and 39944 transitions. [2023-11-29 03:26:20,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:20,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 1087 [2023-11-29 03:26:20,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:20,271 INFO L225 Difference]: With dead ends: 38618 [2023-11-29 03:26:20,272 INFO L226 Difference]: Without dead ends: 19474 [2023-11-29 03:26:20,280 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 03:26:20,280 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 271 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:20,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 436 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:26:20,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19474 states. [2023-11-29 03:26:20,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19474 to 18816. [2023-11-29 03:26:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18816 states, 18815 states have (on average 1.0258304544246613) internal successors, (19301), 18815 states have internal predecessors, (19301), 0 states have call successors, (0), 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 03:26:20,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18816 states to 18816 states and 19301 transitions. [2023-11-29 03:26:20,435 INFO L78 Accepts]: Start accepts. Automaton has 18816 states and 19301 transitions. Word has length 1087 [2023-11-29 03:26:20,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:20,436 INFO L495 AbstractCegarLoop]: Abstraction has 18816 states and 19301 transitions. [2023-11-29 03:26:20,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 03:26:20,436 INFO L276 IsEmpty]: Start isEmpty. Operand 18816 states and 19301 transitions. [2023-11-29 03:26:20,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2023-11-29 03:26:20,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:20,449 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, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 03:26:20,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 03:26:20,449 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:20,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:20,450 INFO L85 PathProgramCache]: Analyzing trace with hash 351294742, now seen corresponding path program 1 times [2023-11-29 03:26:20,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:20,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439704001] [2023-11-29 03:26:20,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:20,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2427 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2023-11-29 03:26:21,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:21,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439704001] [2023-11-29 03:26:21,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439704001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:21,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:21,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:26:21,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455115809] [2023-11-29 03:26:21,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:21,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:26:21,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:21,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:26:21,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:26:21,419 INFO L87 Difference]: Start difference. First operand 18816 states and 19301 transitions. Second operand has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 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 03:26:22,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:22,916 INFO L93 Difference]: Finished difference Result 40287 states and 41318 transitions. [2023-11-29 03:26:22,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:26:22,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 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 1199 [2023-11-29 03:26:22,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:22,931 INFO L225 Difference]: With dead ends: 40287 [2023-11-29 03:26:22,931 INFO L226 Difference]: Without dead ends: 20790 [2023-11-29 03:26:22,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:26:22,939 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 604 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:22,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 61 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1579 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:26:22,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20790 states. [2023-11-29 03:26:23,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20790 to 18158. [2023-11-29 03:26:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18158 states, 18157 states have (on average 1.0253896568816434) internal successors, (18618), 18157 states have internal predecessors, (18618), 0 states have call successors, (0), 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 03:26:23,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18158 states to 18158 states and 18618 transitions. [2023-11-29 03:26:23,099 INFO L78 Accepts]: Start accepts. Automaton has 18158 states and 18618 transitions. Word has length 1199 [2023-11-29 03:26:23,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:23,100 INFO L495 AbstractCegarLoop]: Abstraction has 18158 states and 18618 transitions. [2023-11-29 03:26:23,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 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 03:26:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 18158 states and 18618 transitions. [2023-11-29 03:26:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1255 [2023-11-29 03:26:23,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:23,115 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, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:23,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 03:26:23,116 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:23,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:23,116 INFO L85 PathProgramCache]: Analyzing trace with hash 810157358, now seen corresponding path program 1 times [2023-11-29 03:26:23,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:23,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133913733] [2023-11-29 03:26:23,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:23,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3242 backedges. 1921 proven. 0 refuted. 0 times theorem prover too weak. 1321 trivial. 0 not checked. [2023-11-29 03:26:23,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:23,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133913733] [2023-11-29 03:26:23,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133913733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:23,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:23,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:26:23,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77011030] [2023-11-29 03:26:23,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:23,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:23,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:23,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:23,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:23,838 INFO L87 Difference]: Start difference. First operand 18158 states and 18618 transitions. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 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 03:26:24,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:24,716 INFO L93 Difference]: Finished difference Result 41579 states and 42657 transitions. [2023-11-29 03:26:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:24,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 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 1254 [2023-11-29 03:26:24,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:24,732 INFO L225 Difference]: With dead ends: 41579 [2023-11-29 03:26:24,732 INFO L226 Difference]: Without dead ends: 21777 [2023-11-29 03:26:24,740 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 03:26:24,741 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 207 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:24,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 430 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:26:24,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21777 states. [2023-11-29 03:26:24,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21777 to 21119. [2023-11-29 03:26:24,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21119 states, 21118 states have (on average 1.0193200113647125) internal successors, (21526), 21118 states have internal predecessors, (21526), 0 states have call successors, (0), 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 03:26:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21119 states to 21119 states and 21526 transitions. [2023-11-29 03:26:24,915 INFO L78 Accepts]: Start accepts. Automaton has 21119 states and 21526 transitions. Word has length 1254 [2023-11-29 03:26:24,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:24,916 INFO L495 AbstractCegarLoop]: Abstraction has 21119 states and 21526 transitions. [2023-11-29 03:26:24,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 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 03:26:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 21119 states and 21526 transitions. [2023-11-29 03:26:24,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1529 [2023-11-29 03:26:24,944 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:24,945 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:24,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 03:26:24,945 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:24,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:24,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1330212659, now seen corresponding path program 1 times [2023-11-29 03:26:24,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:24,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655512541] [2023-11-29 03:26:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:24,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:25,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5206 backedges. 2562 proven. 0 refuted. 0 times theorem prover too weak. 2644 trivial. 0 not checked. [2023-11-29 03:26:25,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:25,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655512541] [2023-11-29 03:26:25,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655512541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:25,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:25,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:26:25,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706021650] [2023-11-29 03:26:25,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:25,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:25,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:25,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:25,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:25,885 INFO L87 Difference]: Start difference. First operand 21119 states and 21526 transitions. Second operand has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 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 03:26:26,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:26,797 INFO L93 Difference]: Finished difference Result 43882 states and 44766 transitions. [2023-11-29 03:26:26,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:26,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 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 1528 [2023-11-29 03:26:26,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:26,812 INFO L225 Difference]: With dead ends: 43882 [2023-11-29 03:26:26,812 INFO L226 Difference]: Without dead ends: 21119 [2023-11-29 03:26:26,820 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 03:26:26,821 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 205 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:26,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 416 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:26:26,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21119 states. [2023-11-29 03:26:26,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21119 to 19803. [2023-11-29 03:26:26,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19803 states, 19802 states have (on average 1.0174224825775173) internal successors, (20147), 19802 states have internal predecessors, (20147), 0 states have call successors, (0), 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 03:26:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19803 states to 19803 states and 20147 transitions. [2023-11-29 03:26:26,988 INFO L78 Accepts]: Start accepts. Automaton has 19803 states and 20147 transitions. Word has length 1528 [2023-11-29 03:26:26,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:26,988 INFO L495 AbstractCegarLoop]: Abstraction has 19803 states and 20147 transitions. [2023-11-29 03:26:26,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 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 03:26:26,989 INFO L276 IsEmpty]: Start isEmpty. Operand 19803 states and 20147 transitions. [2023-11-29 03:26:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1556 [2023-11-29 03:26:27,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:27,008 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, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:27,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 03:26:27,009 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:27,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:27,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1131372696, now seen corresponding path program 1 times [2023-11-29 03:26:27,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:27,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688063411] [2023-11-29 03:26:27,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:27,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:28,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4281 backedges. 2813 proven. 35 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2023-11-29 03:26:28,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:28,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688063411] [2023-11-29 03:26:28,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688063411] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:28,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287917916] [2023-11-29 03:26:28,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:28,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:28,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:28,886 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:28,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:26:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:29,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 1797 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 03:26:29,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4281 backedges. 2813 proven. 35 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2023-11-29 03:26:31,438 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:26:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4281 backedges. 2526 proven. 322 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2023-11-29 03:26:35,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287917916] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:26:35,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:26:35,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2023-11-29 03:26:35,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532365112] [2023-11-29 03:26:35,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:26:35,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:26:35,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:35,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:26:35,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:26:35,371 INFO L87 Difference]: Start difference. First operand 19803 states and 20147 transitions. Second operand has 6 states, 6 states have (on average 181.66666666666666) internal successors, (1090), 6 states have internal predecessors, (1090), 0 states have call successors, (0), 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 03:26:37,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:37,491 INFO L93 Difference]: Finished difference Result 39325 states and 40011 transitions. [2023-11-29 03:26:37,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:26:37,492 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 181.66666666666666) internal successors, (1090), 6 states have internal predecessors, (1090), 0 states have call successors, (0), 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 1555 [2023-11-29 03:26:37,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:37,506 INFO L225 Difference]: With dead ends: 39325 [2023-11-29 03:26:37,506 INFO L226 Difference]: Without dead ends: 19852 [2023-11-29 03:26:37,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3118 GetRequests, 3111 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:26:37,515 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 512 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 2932 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:37,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 560 Invalid, 3033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2932 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 03:26:37,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19852 states. [2023-11-29 03:26:37,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19852 to 19803. [2023-11-29 03:26:37,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19803 states, 19802 states have (on average 1.016967983032017) internal successors, (20138), 19802 states have internal predecessors, (20138), 0 states have call successors, (0), 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 03:26:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19803 states to 19803 states and 20138 transitions. [2023-11-29 03:26:37,750 INFO L78 Accepts]: Start accepts. Automaton has 19803 states and 20138 transitions. Word has length 1555 [2023-11-29 03:26:37,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:37,752 INFO L495 AbstractCegarLoop]: Abstraction has 19803 states and 20138 transitions. [2023-11-29 03:26:37,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.66666666666666) internal successors, (1090), 6 states have internal predecessors, (1090), 0 states have call successors, (0), 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 03:26:37,752 INFO L276 IsEmpty]: Start isEmpty. Operand 19803 states and 20138 transitions. [2023-11-29 03:26:37,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1587 [2023-11-29 03:26:37,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:37,789 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, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:37,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 03:26:37,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:37,990 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:37,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:37,991 INFO L85 PathProgramCache]: Analyzing trace with hash 769748247, now seen corresponding path program 1 times [2023-11-29 03:26:37,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:37,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676970807] [2023-11-29 03:26:37,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:37,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4312 backedges. 2591 proven. 288 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2023-11-29 03:26:41,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:41,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676970807] [2023-11-29 03:26:41,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676970807] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:41,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113970880] [2023-11-29 03:26:41,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:41,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:41,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:41,461 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:41,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 03:26:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 1828 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 03:26:41,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4312 backedges. 2677 proven. 464 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2023-11-29 03:26:43,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:26:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4312 backedges. 2677 proven. 464 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2023-11-29 03:26:45,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113970880] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:26:45,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:26:45,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-11-29 03:26:45,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373820177] [2023-11-29 03:26:45,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:26:45,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 03:26:45,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:45,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 03:26:45,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:26:45,200 INFO L87 Difference]: Start difference. First operand 19803 states and 20138 transitions. Second operand has 13 states, 13 states have (on average 148.3846153846154) internal successors, (1929), 13 states have internal predecessors, (1929), 0 states have call successors, (0), 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 03:26:54,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:54,720 INFO L93 Difference]: Finished difference Result 41719 states and 42414 transitions. [2023-11-29 03:26:54,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 03:26:54,721 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 148.3846153846154) internal successors, (1929), 13 states have internal predecessors, (1929), 0 states have call successors, (0), 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 1586 [2023-11-29 03:26:54,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:54,737 INFO L225 Difference]: With dead ends: 41719 [2023-11-29 03:26:54,737 INFO L226 Difference]: Without dead ends: 22187 [2023-11-29 03:26:54,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3208 GetRequests, 3173 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=1068, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 03:26:54,745 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 2520 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 20798 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2520 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 21188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 20798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:54,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2520 Valid, 274 Invalid, 21188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 20798 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-11-29 03:26:54,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22187 states. [2023-11-29 03:26:54,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22187 to 20461. [2023-11-29 03:26:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20461 states, 20460 states have (on average 1.0154936461388073) internal successors, (20777), 20460 states have internal predecessors, (20777), 0 states have call successors, (0), 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 03:26:54,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20461 states to 20461 states and 20777 transitions. [2023-11-29 03:26:54,931 INFO L78 Accepts]: Start accepts. Automaton has 20461 states and 20777 transitions. Word has length 1586 [2023-11-29 03:26:54,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:54,932 INFO L495 AbstractCegarLoop]: Abstraction has 20461 states and 20777 transitions. [2023-11-29 03:26:54,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 148.3846153846154) internal successors, (1929), 13 states have internal predecessors, (1929), 0 states have call successors, (0), 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 03:26:54,932 INFO L276 IsEmpty]: Start isEmpty. Operand 20461 states and 20777 transitions. [2023-11-29 03:26:54,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2221 [2023-11-29 03:26:54,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:54,962 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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] [2023-11-29 03:26:54,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 03:26:55,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 03:26:55,163 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:55,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:55,164 INFO L85 PathProgramCache]: Analyzing trace with hash 748326421, now seen corresponding path program 1 times [2023-11-29 03:26:55,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:55,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243143047] [2023-11-29 03:26:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:55,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 10068 backedges. 6104 proven. 0 refuted. 0 times theorem prover too weak. 3964 trivial. 0 not checked. [2023-11-29 03:26:57,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:57,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243143047] [2023-11-29 03:26:57,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243143047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:57,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:57,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:26:57,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653842676] [2023-11-29 03:26:57,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:57,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:57,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:57,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:57,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:57,884 INFO L87 Difference]: Start difference. First operand 20461 states and 20777 transitions. Second operand has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 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 03:26:58,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:58,711 INFO L93 Difference]: Finished difference Result 40921 states and 41556 transitions. [2023-11-29 03:26:58,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:58,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 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 2220 [2023-11-29 03:26:58,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:58,726 INFO L225 Difference]: With dead ends: 40921 [2023-11-29 03:26:58,726 INFO L226 Difference]: Without dead ends: 20790 [2023-11-29 03:26:58,732 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 03:26:58,733 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 224 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:58,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 432 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:26:58,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20790 states. [2023-11-29 03:26:58,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20790 to 20132. [2023-11-29 03:26:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20132 states, 20131 states have (on average 1.015697183448413) internal successors, (20447), 20131 states have internal predecessors, (20447), 0 states have call successors, (0), 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 03:26:58,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20132 states to 20132 states and 20447 transitions. [2023-11-29 03:26:58,904 INFO L78 Accepts]: Start accepts. Automaton has 20132 states and 20447 transitions. Word has length 2220 [2023-11-29 03:26:58,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:58,905 INFO L495 AbstractCegarLoop]: Abstraction has 20132 states and 20447 transitions. [2023-11-29 03:26:58,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 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 03:26:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 20132 states and 20447 transitions. [2023-11-29 03:26:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2287 [2023-11-29 03:26:58,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:58,937 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:26:58,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 03:26:58,937 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:58,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:58,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1934246877, now seen corresponding path program 1 times [2023-11-29 03:26:58,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:58,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432700181] [2023-11-29 03:26:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:58,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 9402 backedges. 6026 proven. 0 refuted. 0 times theorem prover too weak. 3376 trivial. 0 not checked. [2023-11-29 03:27:02,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:02,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432700181] [2023-11-29 03:27:02,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432700181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:02,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:02,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:27:02,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508660719] [2023-11-29 03:27:02,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:02,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:27:02,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:02,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:27:02,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:27:02,272 INFO L87 Difference]: Start difference. First operand 20132 states and 20447 transitions. Second operand has 4 states, 4 states have (on average 209.25) internal successors, (837), 4 states have internal predecessors, (837), 0 states have call successors, (0), 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 03:27:03,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:03,317 INFO L93 Difference]: Finished difference Result 39948 states and 40576 transitions. [2023-11-29 03:27:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:27:03,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 209.25) internal successors, (837), 4 states have internal predecessors, (837), 0 states have call successors, (0), 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 2286 [2023-11-29 03:27:03,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:03,332 INFO L225 Difference]: With dead ends: 39948 [2023-11-29 03:27:03,332 INFO L226 Difference]: Without dead ends: 20146 [2023-11-29 03:27:03,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:27:03,338 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 263 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:03,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 434 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:27:03,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20146 states. [2023-11-29 03:27:03,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20146 to 19803. [2023-11-29 03:27:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19803 states, 19802 states have (on average 1.0153014846985153) internal successors, (20105), 19802 states have internal predecessors, (20105), 0 states have call successors, (0), 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 03:27:03,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19803 states to 19803 states and 20105 transitions. [2023-11-29 03:27:03,500 INFO L78 Accepts]: Start accepts. Automaton has 19803 states and 20105 transitions. Word has length 2286 [2023-11-29 03:27:03,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:03,501 INFO L495 AbstractCegarLoop]: Abstraction has 19803 states and 20105 transitions. [2023-11-29 03:27:03,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 209.25) internal successors, (837), 4 states have internal predecessors, (837), 0 states have call successors, (0), 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 03:27:03,502 INFO L276 IsEmpty]: Start isEmpty. Operand 19803 states and 20105 transitions. [2023-11-29 03:27:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2316 [2023-11-29 03:27:03,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:03,533 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:27:03,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 03:27:03,533 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:27:03,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:03,534 INFO L85 PathProgramCache]: Analyzing trace with hash 76732819, now seen corresponding path program 1 times [2023-11-29 03:27:03,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:03,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814189247] [2023-11-29 03:27:03,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:03,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 11178 backedges. 5495 proven. 2076 refuted. 0 times theorem prover too weak. 3607 trivial. 0 not checked. [2023-11-29 03:27:06,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:06,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814189247] [2023-11-29 03:27:06,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814189247] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:06,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853981089] [2023-11-29 03:27:06,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:06,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:06,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:06,766 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:06,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 03:27:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:07,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 2667 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:27:07,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 11178 backedges. 2283 proven. 0 refuted. 0 times theorem prover too weak. 8895 trivial. 0 not checked. [2023-11-29 03:27:07,598 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:27:07,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853981089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:07,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:27:07,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 03:27:07,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513994510] [2023-11-29 03:27:07,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:07,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:27:07,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:07,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:27:07,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:27:07,602 INFO L87 Difference]: Start difference. First operand 19803 states and 20105 transitions. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 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 03:27:08,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:08,385 INFO L93 Difference]: Finished difference Result 39275 states and 39877 transitions. [2023-11-29 03:27:08,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:08,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 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 2315 [2023-11-29 03:27:08,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:08,401 INFO L225 Difference]: With dead ends: 39275 [2023-11-29 03:27:08,401 INFO L226 Difference]: Without dead ends: 19802 [2023-11-29 03:27:08,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2322 GetRequests, 2318 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:27:08,409 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 218 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:08,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 52 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:27:08,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19802 states. [2023-11-29 03:27:08,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19802 to 19473. [2023-11-29 03:27:08,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19473 states, 19472 states have (on average 1.0119658997534922) internal successors, (19705), 19472 states have internal predecessors, (19705), 0 states have call successors, (0), 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 03:27:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19473 states to 19473 states and 19705 transitions. [2023-11-29 03:27:08,565 INFO L78 Accepts]: Start accepts. Automaton has 19473 states and 19705 transitions. Word has length 2315 [2023-11-29 03:27:08,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:08,567 INFO L495 AbstractCegarLoop]: Abstraction has 19473 states and 19705 transitions. [2023-11-29 03:27:08,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 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 03:27:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 19473 states and 19705 transitions. [2023-11-29 03:27:08,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2393 [2023-11-29 03:27:08,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:08,600 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:08,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 03:27:08,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-29 03:27:08,801 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:27:08,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:08,801 INFO L85 PathProgramCache]: Analyzing trace with hash -413287072, now seen corresponding path program 1 times [2023-11-29 03:27:08,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:08,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873400193] [2023-11-29 03:27:08,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:08,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:13,591 INFO L134 CoverageAnalysis]: Checked inductivity of 11447 backedges. 8326 proven. 486 refuted. 0 times theorem prover too weak. 2635 trivial. 0 not checked. [2023-11-29 03:27:13,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:13,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873400193] [2023-11-29 03:27:13,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873400193] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:13,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943361761] [2023-11-29 03:27:13,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:13,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:13,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:13,593 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:13,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 03:27:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:14,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 2742 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:27:14,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 11447 backedges. 6917 proven. 0 refuted. 0 times theorem prover too weak. 4530 trivial. 0 not checked. [2023-11-29 03:27:14,793 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:27:14,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943361761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:14,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:27:14,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-11-29 03:27:14,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193471853] [2023-11-29 03:27:14,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:14,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:27:14,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:14,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:27:14,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:27:14,798 INFO L87 Difference]: Start difference. First operand 19473 states and 19705 transitions. Second operand has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 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 03:27:15,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:15,618 INFO L93 Difference]: Finished difference Result 38945 states and 39409 transitions. [2023-11-29 03:27:15,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:15,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 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 2392 [2023-11-29 03:27:15,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:15,636 INFO L225 Difference]: With dead ends: 38945 [2023-11-29 03:27:15,636 INFO L226 Difference]: Without dead ends: 19802 [2023-11-29 03:27:15,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2399 GetRequests, 2393 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:27:15,644 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 123 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:15,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 420 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:27:15,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19802 states. [2023-11-29 03:27:15,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19802 to 19473. [2023-11-29 03:27:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19473 states, 19472 states have (on average 1.0117604765817585) internal successors, (19701), 19472 states have internal predecessors, (19701), 0 states have call successors, (0), 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 03:27:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19473 states to 19473 states and 19701 transitions. [2023-11-29 03:27:15,809 INFO L78 Accepts]: Start accepts. Automaton has 19473 states and 19701 transitions. Word has length 2392 [2023-11-29 03:27:15,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:15,810 INFO L495 AbstractCegarLoop]: Abstraction has 19473 states and 19701 transitions. [2023-11-29 03:27:15,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 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 03:27:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 19473 states and 19701 transitions. [2023-11-29 03:27:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2469 [2023-11-29 03:27:15,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:15,878 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:15,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 03:27:16,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-29 03:27:16,079 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:27:16,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:16,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1176300205, now seen corresponding path program 1 times [2023-11-29 03:27:16,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:16,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539136720] [2023-11-29 03:27:16,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:16,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 13074 backedges. 4367 proven. 0 refuted. 0 times theorem prover too weak. 8707 trivial. 0 not checked. [2023-11-29 03:27:17,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:17,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539136720] [2023-11-29 03:27:17,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539136720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:17,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:17,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:27:17,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728407629] [2023-11-29 03:27:17,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:17,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:27:17,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:17,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:27:17,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:27:17,555 INFO L87 Difference]: Start difference. First operand 19473 states and 19701 transitions. Second operand has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 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 03:27:18,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:18,440 INFO L93 Difference]: Finished difference Result 40590 states and 41068 transitions. [2023-11-29 03:27:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:18,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 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 2468 [2023-11-29 03:27:18,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:18,459 INFO L225 Difference]: With dead ends: 40590 [2023-11-29 03:27:18,459 INFO L226 Difference]: Without dead ends: 21447 [2023-11-29 03:27:18,469 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 03:27:18,470 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 198 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:18,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 414 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:27:18,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21447 states. [2023-11-29 03:27:18,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21447 to 18815. [2023-11-29 03:27:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18815 states, 18814 states have (on average 1.011852875518231) internal successors, (19037), 18814 states have internal predecessors, (19037), 0 states have call successors, (0), 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 03:27:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18815 states to 18815 states and 19037 transitions. [2023-11-29 03:27:18,676 INFO L78 Accepts]: Start accepts. Automaton has 18815 states and 19037 transitions. Word has length 2468 [2023-11-29 03:27:18,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:18,677 INFO L495 AbstractCegarLoop]: Abstraction has 18815 states and 19037 transitions. [2023-11-29 03:27:18,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 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 03:27:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand 18815 states and 19037 transitions. [2023-11-29 03:27:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2609 [2023-11-29 03:27:18,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:18,715 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:18,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 03:27:18,715 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:27:18,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:18,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1907436829, now seen corresponding path program 1 times [2023-11-29 03:27:18,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:18,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290598332] [2023-11-29 03:27:18,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:18,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 13418 backedges. 4318 proven. 134 refuted. 0 times theorem prover too weak. 8966 trivial. 0 not checked. [2023-11-29 03:27:23,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:23,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290598332] [2023-11-29 03:27:23,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290598332] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:23,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590409454] [2023-11-29 03:27:23,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:23,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:23,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:23,002 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:23,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 03:27:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:23,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 2951 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:27:23,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:24,487 INFO L134 CoverageAnalysis]: Checked inductivity of 13418 backedges. 8918 proven. 250 refuted. 0 times theorem prover too weak. 4250 trivial. 0 not checked. [2023-11-29 03:27:24,488 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:27:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 13418 backedges. 7894 proven. 0 refuted. 0 times theorem prover too weak. 5524 trivial. 0 not checked. [2023-11-29 03:27:26,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590409454] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:26,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:27:26,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 8 [2023-11-29 03:27:26,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584496277] [2023-11-29 03:27:26,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:26,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:27:26,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:26,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:27:26,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:27:26,116 INFO L87 Difference]: Start difference. First operand 18815 states and 19037 transitions. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 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 03:27:26,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:26,989 INFO L93 Difference]: Finished difference Result 38287 states and 38738 transitions. [2023-11-29 03:27:26,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:26,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 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 2608 [2023-11-29 03:27:26,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:27,002 INFO L225 Difference]: With dead ends: 38287 [2023-11-29 03:27:27,003 INFO L226 Difference]: Without dead ends: 19802 [2023-11-29 03:27:27,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5219 GetRequests, 5213 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:27:27,010 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 85 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:27,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 15 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:27:27,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19802 states. [2023-11-29 03:27:27,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19802 to 19473. [2023-11-29 03:27:27,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19473 states, 19472 states have (on average 1.0115036976170912) internal successors, (19696), 19472 states have internal predecessors, (19696), 0 states have call successors, (0), 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 03:27:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19473 states to 19473 states and 19696 transitions. [2023-11-29 03:27:27,174 INFO L78 Accepts]: Start accepts. Automaton has 19473 states and 19696 transitions. Word has length 2608 [2023-11-29 03:27:27,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:27,175 INFO L495 AbstractCegarLoop]: Abstraction has 19473 states and 19696 transitions. [2023-11-29 03:27:27,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 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 03:27:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 19473 states and 19696 transitions. [2023-11-29 03:27:27,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2676 [2023-11-29 03:27:27,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:27,214 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:27,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 03:27:27,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:27,415 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:27:27,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:27,416 INFO L85 PathProgramCache]: Analyzing trace with hash 873889061, now seen corresponding path program 1 times [2023-11-29 03:27:27,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:27,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045891239] [2023-11-29 03:27:27,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:27,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14347 backedges. 4511 proven. 134 refuted. 0 times theorem prover too weak. 9702 trivial. 0 not checked. [2023-11-29 03:27:31,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:31,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045891239] [2023-11-29 03:27:31,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045891239] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:31,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916269922] [2023-11-29 03:27:31,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:31,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:31,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:31,636 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:31,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 03:27:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:32,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 3038 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:27:32,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14347 backedges. 3097 proven. 59 refuted. 0 times theorem prover too weak. 11191 trivial. 0 not checked. [2023-11-29 03:27:34,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:27:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 14347 backedges. 3156 proven. 0 refuted. 0 times theorem prover too weak. 11191 trivial. 0 not checked. [2023-11-29 03:27:34,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916269922] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:34,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:27:34,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2023-11-29 03:27:34,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003198544] [2023-11-29 03:27:34,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:34,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:27:34,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:34,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:27:34,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:27:34,403 INFO L87 Difference]: Start difference. First operand 19473 states and 19696 transitions. Second operand has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:35,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:35,425 INFO L93 Difference]: Finished difference Result 21179 states and 21417 transitions. [2023-11-29 03:27:35,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:27:35,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2675 [2023-11-29 03:27:35,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:35,439 INFO L225 Difference]: With dead ends: 21179 [2023-11-29 03:27:35,439 INFO L226 Difference]: Without dead ends: 21118 [2023-11-29 03:27:35,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5353 GetRequests, 5346 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:27:35,443 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 450 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:35,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 10 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:27:35,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21118 states. [2023-11-29 03:27:35,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21118 to 19144. [2023-11-29 03:27:35,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19144 states, 19143 states have (on average 1.0115446899650002) internal successors, (19364), 19143 states have internal predecessors, (19364), 0 states have call successors, (0), 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 03:27:35,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19144 states to 19144 states and 19364 transitions. [2023-11-29 03:27:35,613 INFO L78 Accepts]: Start accepts. Automaton has 19144 states and 19364 transitions. Word has length 2675 [2023-11-29 03:27:35,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:35,615 INFO L495 AbstractCegarLoop]: Abstraction has 19144 states and 19364 transitions. [2023-11-29 03:27:35,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 19144 states and 19364 transitions. [2023-11-29 03:27:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2871 [2023-11-29 03:27:35,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:35,658 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:35,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 03:27:35,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2023-11-29 03:27:35,858 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:27:35,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:35,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1216539225, now seen corresponding path program 1 times [2023-11-29 03:27:35,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:35,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845380185] [2023-11-29 03:27:35,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:35,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 16078 backedges. 6512 proven. 6295 refuted. 0 times theorem prover too weak. 3271 trivial. 0 not checked. [2023-11-29 03:27:45,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:45,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845380185] [2023-11-29 03:27:45,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845380185] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:45,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252883793] [2023-11-29 03:27:45,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:45,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:45,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:45,708 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:45,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 03:27:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:46,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 3258 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 03:27:46,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:48,713 INFO L134 CoverageAnalysis]: Checked inductivity of 16078 backedges. 11161 proven. 60 refuted. 0 times theorem prover too weak. 4857 trivial. 0 not checked. [2023-11-29 03:27:48,713 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:27:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 16078 backedges. 11161 proven. 60 refuted. 0 times theorem prover too weak. 4857 trivial. 0 not checked. [2023-11-29 03:27:51,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252883793] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:27:51,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:27:51,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2023-11-29 03:27:51,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534863326] [2023-11-29 03:27:51,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:27:51,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:27:51,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:51,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:27:51,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:27:51,138 INFO L87 Difference]: Start difference. First operand 19144 states and 19364 transitions. Second operand has 12 states, 12 states have (on average 169.5) internal successors, (2034), 12 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:56,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:56,657 INFO L93 Difference]: Finished difference Result 38620 states and 39055 transitions. [2023-11-29 03:27:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 03:27:56,658 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 169.5) internal successors, (2034), 12 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2870 [2023-11-29 03:27:56,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:56,660 INFO L225 Difference]: With dead ends: 38620 [2023-11-29 03:27:56,660 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 03:27:56,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5773 GetRequests, 5747 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=608, Unknown=0, NotChecked=0, Total=756 [2023-11-29 03:27:56,669 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 1478 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 11962 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 12148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 11962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:56,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1478 Valid, 149 Invalid, 12148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 11962 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 03:27:56,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 03:27:56,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 03:27:56,669 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 03:27:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 03:27:56,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2870 [2023-11-29 03:27:56,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:56,670 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:27:56,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 169.5) internal successors, (2034), 12 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:27:56,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 03:27:56,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:27:56,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 03:27:56,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2023-11-29 03:27:56,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 03:28:03,378 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,378 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,378 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,378 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,378 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,378 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,378 INFO L899 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,378 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,378 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,378 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,379 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,380 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,380 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,380 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,380 INFO L899 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,380 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,380 INFO L899 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,380 INFO L899 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,380 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,380 INFO L899 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,380 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,380 INFO L899 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,381 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,381 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,381 INFO L899 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,381 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,381 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,381 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,381 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,381 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,381 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,381 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,381 INFO L899 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,382 INFO L899 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,383 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,384 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,385 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,386 INFO L899 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,387 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,387 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,387 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,387 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,387 INFO L899 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,387 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,387 INFO L899 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,387 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,387 INFO L899 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,387 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 03:28:03,387 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L1777(lines 1777 1793) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,388 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,389 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,390 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,391 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 200) no Hoare annotation was computed. [2023-11-29 03:28:03,391 INFO L895 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse25 (* (div ~a18~0 5) 10)) (.cse24 (+ ~a18~0 156)) (.cse26 (+ 87 ~a18~0))) (let ((.cse18 (= ~a12~0 9)) (.cse20 (= ~a16~0 11)) (.cse8 (<= 9 ~a12~0)) (.cse11 (= ~a16~0 12)) (.cse23 (<= .cse26 0)) (.cse0 (<= 0 .cse26)) (.cse14 (<= ~a18~0 594508)) (.cse15 (<= 135 ~a18~0)) (.cse21 (<= 594219 ~a18~0)) (.cse10 (= ~a12~0 6)) (.cse19 (= ~a12~0 8)) (.cse13 (<= 10 ~a16~0)) (.cse16 (<= ~a16~0 11)) (.cse17 (<= ~a18~0 600002)) (.cse1 (= ~a16~0 8)) (.cse2 (= ~a15~0 4)) (.cse22 (<= .cse24 0)) (.cse3 (= 7 ~a12~0)) (.cse5 (= ~a16~0 9)) (.cse6 (<= 0 (+ (div (+ .cse25 10) 9) 401985))) (.cse7 (or (< 0 (+ (div .cse25 9) 401986)) (not (= (mod ~a18~0 5) 0)))) (.cse12 (= 5 ~a12~0)) (.cse9 (= ~a15~0 3)) (.cse4 (<= ~a18~0 134))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse8 .cse4) (and .cse1 .cse6 .cse7 .cse8 .cse9 .cse4) (and .cse0 .cse10 .cse11 .cse9 .cse4) (and .cse6 .cse7 .cse11 .cse12 .cse9 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse12 .cse4) (and .cse2 .cse13 .cse10 .cse14 .cse15 .cse16) (and .cse0 .cse5 .cse8 .cse9 .cse17) (and .cse5 .cse2 .cse6 .cse7 .cse10 .cse4) (and .cse0 .cse18 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse4) (and .cse14 .cse11 .cse15 .cse12 .cse9) (and .cse6 .cse13 .cse7 .cse12 .cse16 .cse9 .cse4) (and .cse5 .cse19 .cse6 .cse7 .cse9 .cse17) (and .cse20 .cse6 .cse7 .cse9 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse7 .cse12 .cse4) (and .cse10 .cse14 .cse11 .cse9 .cse21) (and .cse0 .cse5 .cse12 .cse9 .cse17) (and .cse2 (or (and .cse0 .cse1 .cse10 .cse4) (and .cse1 .cse10 .cse14 .cse15))) (and .cse1 .cse2 .cse6 .cse7 .cse10 (<= (+ 300160 ~a18~0) 0)) (and .cse6 .cse22 .cse7 .cse11 .cse8 .cse9) (and .cse0 .cse11 .cse8 .cse9 .cse4) (and .cse6 .cse7 .cse11 .cse23 .cse9 .cse3) (and (= ~a16~0 10) (<= 598710 ~a18~0) .cse2 .cse12 .cse17) (and (<= ~a12~0 5) .cse2 .cse6 .cse13 .cse7 .cse16 .cse4) (and .cse1 .cse6 .cse7 .cse23 .cse9 .cse3) (and .cse1 .cse6 .cse7 .cse10 .cse9 .cse17) (and .cse19 .cse11 .cse15 .cse9 .cse17) (and (<= ~a18~0 69306) .cse18 .cse1 .cse2 (<= 69094 ~a18~0)) (and .cse18 .cse1 .cse2 .cse6 .cse7 .cse23) (and .cse18 .cse11 .cse15 .cse9 .cse17) (and .cse20 .cse6 .cse7 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse8 .cse9 .cse17) (and .cse19 .cse6 .cse7 .cse11 .cse9 .cse4) (and .cse0 .cse11 .cse9 .cse3 .cse4) (and .cse5 .cse2 .cse19 .cse6 .cse7 (< 0 .cse24) .cse4) (and .cse2 .cse6 .cse13 .cse7 .cse10 .cse16 .cse4) (and .cse1 .cse2 .cse19 .cse6 .cse7 .cse4) (and .cse1 .cse6 .cse7 .cse12 .cse9 .cse4) (and .cse0 .cse5 .cse9 .cse17 .cse3) (and .cse5 .cse6 .cse7 .cse23 .cse9 .cse3) (and .cse0 .cse1 .cse19 .cse9 .cse17) (and .cse1 .cse2 .cse14 .cse15 .cse12) (and .cse2 (or (and .cse5 .cse6 .cse7 .cse3 .cse4) (and .cse5 .cse17 .cse3 .cse21))) (and .cse6 .cse13 .cse7 .cse10 .cse16 .cse9 .cse17) (and .cse19 .cse6 .cse13 .cse7 .cse16 .cse9 .cse17) (and .cse1 .cse2 .cse6 .cse22 .cse7 .cse3) (and .cse5 .cse6 .cse7 .cse12 .cse9 .cse4)))) [2023-11-29 03:28:03,391 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,391 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,391 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,392 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,393 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,394 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,395 INFO L899 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,396 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,397 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,398 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1504 1775) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,399 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,400 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,400 INFO L899 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,400 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,400 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,400 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,400 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,400 INFO L899 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,400 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,400 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,400 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,400 INFO L899 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,401 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,402 INFO L899 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,403 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,404 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,405 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2023-11-29 03:28:03,406 INFO L899 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,406 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,406 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,406 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2023-11-29 03:28:03,406 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2023-11-29 03:28:03,406 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,406 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,406 INFO L899 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2023-11-29 03:28:03,409 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, 1, 1, 1, 1] [2023-11-29 03:28:03,411 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:28:03,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:28:03 BoogieIcfgContainer [2023-11-29 03:28:03,444 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:28:03,445 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:28:03,445 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:28:03,445 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:28:03,446 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:25:05" (3/4) ... [2023-11-29 03:28:03,448 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:28:03,478 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-29 03:28:03,482 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 03:28:03,485 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 03:28:03,488 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:28:03,744 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:28:03,744 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:28:03,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:28:03,745 INFO L158 Benchmark]: Toolchain (without parser) took 181378.83ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 98.0MB in the beginning and 511.6MB in the end (delta: -413.6MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-11-29 03:28:03,745 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:28:03,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 954.53ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 97.7MB in the beginning and 171.9MB in the end (delta: -74.2MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2023-11-29 03:28:03,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.17ms. Allocated memory is still 220.2MB. Free memory was 171.9MB in the beginning and 147.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 03:28:03,746 INFO L158 Benchmark]: Boogie Preprocessor took 194.83ms. Allocated memory is still 220.2MB. Free memory was 147.8MB in the beginning and 112.9MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-29 03:28:03,746 INFO L158 Benchmark]: RCFGBuilder took 2192.66ms. Allocated memory is still 220.2MB. Free memory was 112.9MB in the beginning and 111.4MB in the end (delta: 1.5MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2023-11-29 03:28:03,746 INFO L158 Benchmark]: TraceAbstraction took 177583.82ms. Allocated memory was 220.2MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 111.4MB in the beginning and 538.9MB in the end (delta: -427.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-29 03:28:03,747 INFO L158 Benchmark]: Witness Printer took 299.16ms. Allocated memory is still 1.9GB. Free memory was 538.9MB in the beginning and 511.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 03:28:03,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 954.53ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 97.7MB in the beginning and 171.9MB in the end (delta: -74.2MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.17ms. Allocated memory is still 220.2MB. Free memory was 171.9MB in the beginning and 147.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 194.83ms. Allocated memory is still 220.2MB. Free memory was 147.8MB in the beginning and 112.9MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2192.66ms. Allocated memory is still 220.2MB. Free memory was 112.9MB in the beginning and 111.4MB in the end (delta: 1.5MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. * TraceAbstraction took 177583.82ms. Allocated memory was 220.2MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 111.4MB in the beginning and 538.9MB in the end (delta: -427.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 299.16ms. Allocated memory is still 1.9GB. Free memory was 538.9MB in the beginning and 511.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 200]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 334 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 177.5s, OverallIterations: 32, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 67.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18226 SdHoareTripleChecker+Valid, 61.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18226 mSDsluCounter, 8318 SdHoareTripleChecker+Invalid, 53.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 868 mSDsCounter, 7408 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80380 IncrementalHoareTripleChecker+Invalid, 87788 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7408 mSolverCounterUnsat, 7450 mSDtfsCounter, 80380 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35105 GetRequests, 34913 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 929 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22106occurred in iteration=15, InterpolantAutomatonStates: 213, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 32 MinimizatonAttempts, 27674 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 90 NumberOfFragments, 1670 HoareAnnotationTreeSize, 1 FomulaSimplifications, 29237 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 7955 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.6s SsaConstructionTime, 5.5s SatisfiabilityAnalysisTime, 84.8s InterpolantComputationTime, 59142 NumberOfCodeBlocks, 59142 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 72732 ConstructedInterpolants, 0 QuantifiedInterpolants, 222550 SizeOfPredicates, 32 NumberOfNonLiveVariables, 24446 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 54 InterpolantComputations, 26 PerfectInterpolantSequences, 258150/272765 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= (87 + a18)) && (a16 == 8)) && (a15 == 4)) && (7 == a12)) && (a18 <= 134)) || ((((((a16 == 9) && (a15 == 4)) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (9 <= a12)) && (a18 <= 134))) || ((((((a16 == 8) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (9 <= a12)) && (a15 == 3)) && (a18 <= 134))) || (((((0 <= (87 + a18)) && (a12 == 6)) && (a16 == 12)) && (a15 == 3)) && (a18 <= 134))) || ((((((0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985)) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a16 == 12)) && (5 == a12)) && (a15 == 3)) && (a18 <= 134))) || ((((((a16 == 9) && (a15 == 4)) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (5 == a12)) && (a18 <= 134))) || ((((((a15 == 4) && (10 <= a16)) && (a12 == 6)) && (a18 <= 594508)) && (135 <= a18)) && (a16 <= 11))) || (((((0 <= (87 + a18)) && (a16 == 9)) && (9 <= a12)) && (a15 == 3)) && (a18 <= 600002))) || ((((((a16 == 9) && (a15 == 4)) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a12 == 6)) && (a18 <= 134))) || (((((0 <= (87 + a18)) && (a12 == 9)) && (a16 == 8)) && (a15 == 4)) && (a18 <= 134))) || ((((((a16 == 9) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (9 <= a12)) && (a15 == 3)) && (a18 <= 134))) || (((((a18 <= 594508) && (a16 == 12)) && (135 <= a18)) && (5 == a12)) && (a15 == 3))) || (((((((0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985)) && (10 <= a16)) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (5 == a12)) && (a16 <= 11)) && (a15 == 3)) && (a18 <= 134))) || ((((((a16 == 9) && (a12 == 8)) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a15 == 3)) && (a18 <= 600002))) || ((((((a16 == 11) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a15 == 3)) && (7 == a12)) && (a18 <= 134))) || ((((((a16 == 8) && (a15 == 4)) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (5 == a12)) && (a18 <= 134))) || (((((a12 == 6) && (a18 <= 594508)) && (a16 == 12)) && (a15 == 3)) && (594219 <= a18))) || (((((0 <= (87 + a18)) && (a16 == 9)) && (5 == a12)) && (a15 == 3)) && (a18 <= 600002))) || ((a15 == 4) && (((((0 <= (87 + a18)) && (a16 == 8)) && (a12 == 6)) && (a18 <= 134)) || ((((a16 == 8) && (a12 == 6)) && (a18 <= 594508)) && (135 <= a18))))) || ((((((a16 == 8) && (a15 == 4)) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a12 == 6)) && ((300160 + a18) <= 0))) || ((((((0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985)) && ((a18 + 156) <= 0)) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a16 == 12)) && (9 <= a12)) && (a15 == 3))) || (((((0 <= (87 + a18)) && (a16 == 12)) && (9 <= a12)) && (a15 == 3)) && (a18 <= 134))) || ((((((0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985)) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a16 == 12)) && ((87 + a18) <= 0)) && (a15 == 3)) && (7 == a12))) || (((((a16 == 10) && (598710 <= a18)) && (a15 == 4)) && (5 == a12)) && (a18 <= 600002))) || (((((((a12 <= 5) && (a15 == 4)) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && (10 <= a16)) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a16 <= 11)) && (a18 <= 134))) || ((((((a16 == 8) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && ((87 + a18) <= 0)) && (a15 == 3)) && (7 == a12))) || ((((((a16 == 8) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a12 == 6)) && (a15 == 3)) && (a18 <= 600002))) || (((((a12 == 8) && (a16 == 12)) && (135 <= a18)) && (a15 == 3)) && (a18 <= 600002))) || (((((a18 <= 69306) && (a12 == 9)) && (a16 == 8)) && (a15 == 4)) && (69094 <= a18))) || ((((((a12 == 9) && (a16 == 8)) && (a15 == 4)) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && ((87 + a18) <= 0))) || (((((a12 == 9) && (a16 == 12)) && (135 <= a18)) && (a15 == 3)) && (a18 <= 600002))) || ((((((a16 == 11) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (9 <= a12)) && (a15 == 3)) && (a18 <= 134))) || (((((0 <= (87 + a18)) && (a16 == 8)) && (9 <= a12)) && (a15 == 3)) && (a18 <= 600002))) || ((((((a12 == 8) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a16 == 12)) && (a15 == 3)) && (a18 <= 134))) || (((((0 <= (87 + a18)) && (a16 == 12)) && (a15 == 3)) && (7 == a12)) && (a18 <= 134))) || (((((((a16 == 9) && (a15 == 4)) && (a12 == 8)) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (0 < (a18 + 156))) && (a18 <= 134))) || (((((((a15 == 4) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && (10 <= a16)) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a12 == 6)) && (a16 <= 11)) && (a18 <= 134))) || ((((((a16 == 8) && (a15 == 4)) && (a12 == 8)) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a18 <= 134))) || ((((((a16 == 8) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (5 == a12)) && (a15 == 3)) && (a18 <= 134))) || (((((0 <= (87 + a18)) && (a16 == 9)) && (a15 == 3)) && (a18 <= 600002)) && (7 == a12))) || ((((((a16 == 9) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && ((87 + a18) <= 0)) && (a15 == 3)) && (7 == a12))) || (((((0 <= (87 + a18)) && (a16 == 8)) && (a12 == 8)) && (a15 == 3)) && (a18 <= 600002))) || (((((a16 == 8) && (a15 == 4)) && (a18 <= 594508)) && (135 <= a18)) && (5 == a12))) || ((a15 == 4) && ((((((a16 == 9) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (7 == a12)) && (a18 <= 134)) || ((((a16 == 9) && (a18 <= 600002)) && (7 == a12)) && (594219 <= a18))))) || (((((((0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985)) && (10 <= a16)) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a12 == 6)) && (a16 <= 11)) && (a15 == 3)) && (a18 <= 600002))) || (((((((a12 == 8) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && (10 <= a16)) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (a16 <= 11)) && (a15 == 3)) && (a18 <= 600002))) || ((((((a16 == 8) && (a15 == 4)) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((a18 + 156) <= 0)) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (7 == a12))) || ((((((a16 == 9) && (0 <= (((((a18 / 5) * 10) + 10) / 9) + 401985))) && ((0 < ((((a18 / 5) * 10) / 9) + 401986)) || !(((a18 % 5) == 0)))) && (5 == a12)) && (a15 == 3)) && (a18 <= 134))) RESULT: Ultimate proved your program to be correct! [2023-11-29 03:28:03,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64aea6c3-37bc-4328-962b-e9b90c9c4c61/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