./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/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_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/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_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/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 42b374d0017cdae74eebab609ba5393370e8c987522e66a98f57a11c3f33505a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:42:10,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:42:10,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:42:10,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:42:10,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:42:10,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:42:10,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:42:10,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:42:10,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:42:10,888 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:42:10,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:42:10,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:42:10,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:42:10,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:42:10,890 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:42:10,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:42:10,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:42:10,892 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:42:10,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:42:10,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:42:10,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:42:10,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:42:10,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:42:10,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:42:10,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:42:10,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:42:10,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:42:10,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:42:10,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:42:10,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:42:10,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:42:10,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:42:10,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:42:10,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:42:10,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:42:10,899 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:42:10,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:42:10,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:42:10,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:42:10,900 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:42:10,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:42:10,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:42:10,901 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_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42b374d0017cdae74eebab609ba5393370e8c987522e66a98f57a11c3f33505a [2023-11-29 03:42:11,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:42:11,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:42:11,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:42:11,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:42:11,152 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:42:11,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/eca-rers2012/Problem15_label17.c [2023-11-29 03:42:13,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:42:14,161 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:42:14,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/sv-benchmarks/c/eca-rers2012/Problem15_label17.c [2023-11-29 03:42:14,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/data/bf13d5609/5f047a63f02141fb94f313d46245ca23/FLAG539b1e9ec [2023-11-29 03:42:14,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/data/bf13d5609/5f047a63f02141fb94f313d46245ca23 [2023-11-29 03:42:14,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:42:14,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:42:14,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:42:14,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:42:14,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:42:14,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:42:14" (1/1) ... [2023-11-29 03:42:14,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d9c5d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:14, skipping insertion in model container [2023-11-29 03:42:14,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:42:14" (1/1) ... [2023-11-29 03:42:14,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:42:14,526 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_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/sv-benchmarks/c/eca-rers2012/Problem15_label17.c[7664,7677] [2023-11-29 03:42:14,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:42:14,886 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:42:14,916 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_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/sv-benchmarks/c/eca-rers2012/Problem15_label17.c[7664,7677] [2023-11-29 03:42:15,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:42:15,172 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:42:15,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15 WrapperNode [2023-11-29 03:42:15,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:42:15,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:42:15,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:42:15,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:42:15,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,406 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1759 [2023-11-29 03:42:15,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:42:15,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:42:15,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:42:15,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:42:15,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,433 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,493 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 03:42:15,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:42:15,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:42:15,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:42:15,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:42:15,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (1/1) ... [2023-11-29 03:42:15,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:42:15,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:42:15,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:42:15,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:42:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:42:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:42:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:42:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:42:15,834 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:42:15,836 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:42:18,927 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:42:18,978 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:42:18,978 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:42:18,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:42:18 BoogieIcfgContainer [2023-11-29 03:42:18,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:42:18,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:42:18,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:42:18,985 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:42:18,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:42:14" (1/3) ... [2023-11-29 03:42:18,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409d9e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:42:18, skipping insertion in model container [2023-11-29 03:42:18,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:42:15" (2/3) ... [2023-11-29 03:42:18,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409d9e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:42:18, skipping insertion in model container [2023-11-29 03:42:18,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:42:18" (3/3) ... [2023-11-29 03:42:18,987 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label17.c [2023-11-29 03:42:19,006 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:42:19,006 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:42:19,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:42:19,073 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;@226b3029, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:42:19,073 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:42:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 362 states, 360 states have (on average 1.9111111111111112) internal successors, (688), 361 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 03:42:19,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:19,088 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, 1, 1] [2023-11-29 03:42:19,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:19,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:19,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1845176167, now seen corresponding path program 1 times [2023-11-29 03:42:19,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:19,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457571073] [2023-11-29 03:42:19,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:19,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:19,277 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 03:42:19,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:19,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457571073] [2023-11-29 03:42:19,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457571073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:19,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:42:19,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:42:19,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144920280] [2023-11-29 03:42:19,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:19,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:42:19,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:19,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:42:19,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:42:19,313 INFO L87 Difference]: Start difference. First operand has 362 states, 360 states have (on average 1.9111111111111112) internal successors, (688), 361 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:19,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:19,371 INFO L93 Difference]: Finished difference Result 723 states and 1375 transitions. [2023-11-29 03:42:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:42:19,373 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2023-11-29 03:42:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:19,385 INFO L225 Difference]: With dead ends: 723 [2023-11-29 03:42:19,385 INFO L226 Difference]: Without dead ends: 360 [2023-11-29 03:42:19,389 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 03:42:19,392 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:19,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:42:19,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-11-29 03:42:19,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-11-29 03:42:19,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.7353760445682451) internal successors, (623), 359 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:19,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 623 transitions. [2023-11-29 03:42:19,446 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 623 transitions. Word has length 62 [2023-11-29 03:42:19,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:19,446 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 623 transitions. [2023-11-29 03:42:19,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:19,446 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 623 transitions. [2023-11-29 03:42:19,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 03:42:19,449 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:19,449 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, 1, 1] [2023-11-29 03:42:19,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:42:19,450 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:19,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:19,450 INFO L85 PathProgramCache]: Analyzing trace with hash 974780075, now seen corresponding path program 1 times [2023-11-29 03:42:19,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:19,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425404828] [2023-11-29 03:42:19,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:19,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:19,650 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 03:42:19,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:19,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425404828] [2023-11-29 03:42:19,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425404828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:19,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:42:19,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:42:19,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191035930] [2023-11-29 03:42:19,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:19,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:42:19,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:19,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:42:19,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:42:19,654 INFO L87 Difference]: Start difference. First operand 360 states and 623 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:21,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:21,884 INFO L93 Difference]: Finished difference Result 1046 states and 1824 transitions. [2023-11-29 03:42:21,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:42:21,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2023-11-29 03:42:21,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:21,889 INFO L225 Difference]: With dead ends: 1046 [2023-11-29 03:42:21,889 INFO L226 Difference]: Without dead ends: 687 [2023-11-29 03:42:21,890 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 03:42:21,891 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 274 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:21,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 193 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 03:42:21,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2023-11-29 03:42:21,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 679. [2023-11-29 03:42:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 678 states have (on average 1.6106194690265487) internal successors, (1092), 678 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:21,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1092 transitions. [2023-11-29 03:42:21,928 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1092 transitions. Word has length 62 [2023-11-29 03:42:21,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:21,929 INFO L495 AbstractCegarLoop]: Abstraction has 679 states and 1092 transitions. [2023-11-29 03:42:21,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1092 transitions. [2023-11-29 03:42:21,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 03:42:21,932 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:21,932 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:42:21,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:42:21,933 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:21,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:21,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1648054715, now seen corresponding path program 1 times [2023-11-29 03:42:21,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:21,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984381422] [2023-11-29 03:42:21,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:21,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:42:22,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:22,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984381422] [2023-11-29 03:42:22,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984381422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:22,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:42:22,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:42:22,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418810470] [2023-11-29 03:42:22,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:22,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:42:22,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:22,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:42:22,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:42:22,158 INFO L87 Difference]: Start difference. First operand 679 states and 1092 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:23,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:23,871 INFO L93 Difference]: Finished difference Result 1963 states and 3170 transitions. [2023-11-29 03:42:23,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:42:23,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-11-29 03:42:23,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:23,879 INFO L225 Difference]: With dead ends: 1963 [2023-11-29 03:42:23,879 INFO L226 Difference]: Without dead ends: 1285 [2023-11-29 03:42:23,880 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 03:42:23,882 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 282 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:23,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 358 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 03:42:23,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2023-11-29 03:42:23,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1280. [2023-11-29 03:42:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 1279 states have (on average 1.3956215793588742) internal successors, (1785), 1279 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:23,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1785 transitions. [2023-11-29 03:42:23,913 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1785 transitions. Word has length 130 [2023-11-29 03:42:23,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:23,914 INFO L495 AbstractCegarLoop]: Abstraction has 1280 states and 1785 transitions. [2023-11-29 03:42:23,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:23,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1785 transitions. [2023-11-29 03:42:23,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 03:42:23,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:23,918 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:42:23,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:42:23,919 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:23,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:23,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2000410545, now seen corresponding path program 1 times [2023-11-29 03:42:23,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:23,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439524366] [2023-11-29 03:42:23,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:23,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:42:24,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:24,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439524366] [2023-11-29 03:42:24,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439524366] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:24,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:42:24,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:42:24,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619203673] [2023-11-29 03:42:24,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:24,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:42:24,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:24,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:42:24,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:42:24,259 INFO L87 Difference]: Start difference. First operand 1280 states and 1785 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:26,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:26,101 INFO L93 Difference]: Finished difference Result 2858 states and 3904 transitions. [2023-11-29 03:42:26,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:42:26,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2023-11-29 03:42:26,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:26,111 INFO L225 Difference]: With dead ends: 2858 [2023-11-29 03:42:26,111 INFO L226 Difference]: Without dead ends: 1579 [2023-11-29 03:42:26,114 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 03:42:26,115 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 225 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:26,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 357 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:42:26,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2023-11-29 03:42:26,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1579. [2023-11-29 03:42:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1579 states, 1578 states have (on average 1.3244613434727504) internal successors, (2090), 1578 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:26,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 2090 transitions. [2023-11-29 03:42:26,155 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 2090 transitions. Word has length 138 [2023-11-29 03:42:26,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:26,156 INFO L495 AbstractCegarLoop]: Abstraction has 1579 states and 2090 transitions. [2023-11-29 03:42:26,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:26,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 2090 transitions. [2023-11-29 03:42:26,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-29 03:42:26,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:26,161 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, 3, 3, 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] [2023-11-29 03:42:26,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:42:26,161 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:26,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:26,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1413902896, now seen corresponding path program 1 times [2023-11-29 03:42:26,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:26,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655431980] [2023-11-29 03:42:26,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:26,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-29 03:42:26,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:26,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655431980] [2023-11-29 03:42:26,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655431980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:26,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:42:26,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:42:26,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499069889] [2023-11-29 03:42:26,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:26,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:42:26,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:26,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:42:26,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:42:26,460 INFO L87 Difference]: Start difference. First operand 1579 states and 2090 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:28,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:28,445 INFO L93 Difference]: Finished difference Result 4064 states and 5550 transitions. [2023-11-29 03:42:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:42:28,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 229 [2023-11-29 03:42:28,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:28,460 INFO L225 Difference]: With dead ends: 4064 [2023-11-29 03:42:28,460 INFO L226 Difference]: Without dead ends: 2785 [2023-11-29 03:42:28,463 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 03:42:28,464 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 265 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:28,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 634 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 03:42:28,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2023-11-29 03:42:28,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2785. [2023-11-29 03:42:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2785 states, 2784 states have (on average 1.2205459770114941) internal successors, (3398), 2784 states have internal predecessors, (3398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:28,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 3398 transitions. [2023-11-29 03:42:28,545 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 3398 transitions. Word has length 229 [2023-11-29 03:42:28,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:28,546 INFO L495 AbstractCegarLoop]: Abstraction has 2785 states and 3398 transitions. [2023-11-29 03:42:28,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3398 transitions. [2023-11-29 03:42:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-29 03:42:28,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:28,550 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, 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] [2023-11-29 03:42:28,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:42:28,550 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:28,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:28,550 INFO L85 PathProgramCache]: Analyzing trace with hash 300759004, now seen corresponding path program 1 times [2023-11-29 03:42:28,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:28,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128054858] [2023-11-29 03:42:28,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:28,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-29 03:42:28,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:28,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128054858] [2023-11-29 03:42:28,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128054858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:28,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:42:28,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:42:28,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134746732] [2023-11-29 03:42:28,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:28,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:42:28,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:28,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:42:28,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:42:28,765 INFO L87 Difference]: Start difference. First operand 2785 states and 3398 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:30,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:30,519 INFO L93 Difference]: Finished difference Result 6471 states and 8163 transitions. [2023-11-29 03:42:30,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:42:30,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 235 [2023-11-29 03:42:30,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:30,537 INFO L225 Difference]: With dead ends: 6471 [2023-11-29 03:42:30,537 INFO L226 Difference]: Without dead ends: 3986 [2023-11-29 03:42:30,540 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 03:42:30,541 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 220 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:30,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 362 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 03:42:30,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2023-11-29 03:42:30,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3685. [2023-11-29 03:42:30,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3685 states, 3684 states have (on average 1.1959826275787189) internal successors, (4406), 3684 states have internal predecessors, (4406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3685 states and 4406 transitions. [2023-11-29 03:42:30,624 INFO L78 Accepts]: Start accepts. Automaton has 3685 states and 4406 transitions. Word has length 235 [2023-11-29 03:42:30,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:30,624 INFO L495 AbstractCegarLoop]: Abstraction has 3685 states and 4406 transitions. [2023-11-29 03:42:30,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 4406 transitions. [2023-11-29 03:42:30,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2023-11-29 03:42:30,631 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:30,631 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:30,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:42:30,631 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:30,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:30,632 INFO L85 PathProgramCache]: Analyzing trace with hash -2109130330, now seen corresponding path program 1 times [2023-11-29 03:42:30,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:30,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919903585] [2023-11-29 03:42:30,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:30,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:42:31,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:31,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919903585] [2023-11-29 03:42:31,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919903585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:31,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:42:31,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:42:31,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727153220] [2023-11-29 03:42:31,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:31,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:42:31,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:31,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:42:31,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:42:31,015 INFO L87 Difference]: Start difference. First operand 3685 states and 4406 transitions. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:32,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:32,649 INFO L93 Difference]: Finished difference Result 8278 states and 10189 transitions. [2023-11-29 03:42:32,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:42:32,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 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 344 [2023-11-29 03:42:32,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:32,666 INFO L225 Difference]: With dead ends: 8278 [2023-11-29 03:42:32,666 INFO L226 Difference]: Without dead ends: 4893 [2023-11-29 03:42:32,670 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 03:42:32,670 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 267 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:32,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 600 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 03:42:32,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4893 states. [2023-11-29 03:42:32,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4893 to 4591. [2023-11-29 03:42:32,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4591 states, 4590 states have (on average 1.1840958605664489) internal successors, (5435), 4590 states have internal predecessors, (5435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4591 states to 4591 states and 5435 transitions. [2023-11-29 03:42:32,771 INFO L78 Accepts]: Start accepts. Automaton has 4591 states and 5435 transitions. Word has length 344 [2023-11-29 03:42:32,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:32,771 INFO L495 AbstractCegarLoop]: Abstraction has 4591 states and 5435 transitions. [2023-11-29 03:42:32,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:32,772 INFO L276 IsEmpty]: Start isEmpty. Operand 4591 states and 5435 transitions. [2023-11-29 03:42:32,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2023-11-29 03:42:32,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:32,778 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:32,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:42:32,779 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:32,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:32,779 INFO L85 PathProgramCache]: Analyzing trace with hash -2070403493, now seen corresponding path program 1 times [2023-11-29 03:42:32,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:32,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259144934] [2023-11-29 03:42:32,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:32,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:33,165 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-29 03:42:33,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:33,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259144934] [2023-11-29 03:42:33,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259144934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:33,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:42:33,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:42:33,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344812880] [2023-11-29 03:42:33,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:33,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:42:33,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:33,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:42:33,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:42:33,168 INFO L87 Difference]: Start difference. First operand 4591 states and 5435 transitions. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:34,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:34,877 INFO L93 Difference]: Finished difference Result 10078 states and 12233 transitions. [2023-11-29 03:42:34,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:42:34,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 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 349 [2023-11-29 03:42:34,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:34,898 INFO L225 Difference]: With dead ends: 10078 [2023-11-29 03:42:34,898 INFO L226 Difference]: Without dead ends: 5787 [2023-11-29 03:42:34,902 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 03:42:34,903 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 265 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:34,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 616 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 03:42:34,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2023-11-29 03:42:35,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 5783. [2023-11-29 03:42:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.166378415773089) internal successors, (6744), 5782 states have internal predecessors, (6744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6744 transitions. [2023-11-29 03:42:35,060 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6744 transitions. Word has length 349 [2023-11-29 03:42:35,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:35,061 INFO L495 AbstractCegarLoop]: Abstraction has 5783 states and 6744 transitions. [2023-11-29 03:42:35,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6744 transitions. [2023-11-29 03:42:35,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2023-11-29 03:42:35,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:35,078 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:42:35,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:42:35,079 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:35,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:35,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1984567859, now seen corresponding path program 1 times [2023-11-29 03:42:35,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:35,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015558913] [2023-11-29 03:42:35,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:35,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:35,889 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 426 proven. 39 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-29 03:42:35,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:35,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015558913] [2023-11-29 03:42:35,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015558913] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:42:35,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957055242] [2023-11-29 03:42:35,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:35,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:42:35,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:42:35,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:42:35,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:42:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:36,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:42:36,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:42:36,480 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-29 03:42:36,480 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:42:36,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957055242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:36,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:42:36,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 03:42:36,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928359670] [2023-11-29 03:42:36,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:36,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:42:36,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:36,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:42:36,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:42:36,484 INFO L87 Difference]: Start difference. First operand 5783 states and 6744 transitions. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:38,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:38,283 INFO L93 Difference]: Finished difference Result 14555 states and 17043 transitions. [2023-11-29 03:42:38,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:42:38,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 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 513 [2023-11-29 03:42:38,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:38,315 INFO L225 Difference]: With dead ends: 14555 [2023-11-29 03:42:38,315 INFO L226 Difference]: Without dead ends: 9072 [2023-11-29 03:42:38,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:42:38,319 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 147 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:38,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 313 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 03:42:38,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9072 states. [2023-11-29 03:42:38,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9072 to 7577. [2023-11-29 03:42:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7577 states, 7576 states have (on average 1.148363252375924) internal successors, (8700), 7576 states have internal predecessors, (8700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7577 states to 7577 states and 8700 transitions. [2023-11-29 03:42:38,459 INFO L78 Accepts]: Start accepts. Automaton has 7577 states and 8700 transitions. Word has length 513 [2023-11-29 03:42:38,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:38,460 INFO L495 AbstractCegarLoop]: Abstraction has 7577 states and 8700 transitions. [2023-11-29 03:42:38,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand 7577 states and 8700 transitions. [2023-11-29 03:42:38,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2023-11-29 03:42:38,474 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:38,475 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:42:38,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:42:38,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 03:42:38,676 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:38,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:38,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1801150884, now seen corresponding path program 1 times [2023-11-29 03:42:38,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:38,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831184493] [2023-11-29 03:42:38,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:38,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 531 proven. 39 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-29 03:42:39,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:39,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831184493] [2023-11-29 03:42:39,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831184493] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:42:39,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118973049] [2023-11-29 03:42:39,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:39,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:42:39,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:42:39,341 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:42:39,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:42:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:39,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:42:39,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:42:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2023-11-29 03:42:39,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:42:39,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118973049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:39,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:42:39,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 03:42:39,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526733109] [2023-11-29 03:42:39,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:39,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:42:39,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:39,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:42:39,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:42:39,697 INFO L87 Difference]: Start difference. First operand 7577 states and 8700 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:41,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:41,530 INFO L93 Difference]: Finished difference Result 17245 states and 20050 transitions. [2023-11-29 03:42:41,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:42:41,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 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 546 [2023-11-29 03:42:41,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:41,543 INFO L225 Difference]: With dead ends: 17245 [2023-11-29 03:42:41,543 INFO L226 Difference]: Without dead ends: 9968 [2023-11-29 03:42:41,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:42:41,550 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 354 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:41,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 444 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:42:41,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9968 states. [2023-11-29 03:42:41,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9968 to 9968. [2023-11-29 03:42:41,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9968 states, 9967 states have (on average 1.1498946523527642) internal successors, (11461), 9967 states have internal predecessors, (11461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9968 states to 9968 states and 11461 transitions. [2023-11-29 03:42:41,654 INFO L78 Accepts]: Start accepts. Automaton has 9968 states and 11461 transitions. Word has length 546 [2023-11-29 03:42:41,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:41,655 INFO L495 AbstractCegarLoop]: Abstraction has 9968 states and 11461 transitions. [2023-11-29 03:42:41,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 9968 states and 11461 transitions. [2023-11-29 03:42:41,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2023-11-29 03:42:41,660 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:41,660 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:42:41,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 03:42:41,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:42:41,861 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:41,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:41,862 INFO L85 PathProgramCache]: Analyzing trace with hash 660035886, now seen corresponding path program 1 times [2023-11-29 03:42:41,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:41,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371582864] [2023-11-29 03:42:41,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:41,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-29 03:42:42,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:42,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371582864] [2023-11-29 03:42:42,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371582864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:42,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:42:42,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:42:42,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720664379] [2023-11-29 03:42:42,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:42,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:42:42,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:42,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:42:42,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:42:42,447 INFO L87 Difference]: Start difference. First operand 9968 states and 11461 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:44,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:44,352 INFO L93 Difference]: Finished difference Result 24135 states and 27999 transitions. [2023-11-29 03:42:44,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:42:44,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 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 550 [2023-11-29 03:42:44,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:44,370 INFO L225 Difference]: With dead ends: 24135 [2023-11-29 03:42:44,370 INFO L226 Difference]: Without dead ends: 14467 [2023-11-29 03:42:44,378 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 03:42:44,378 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 246 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:44,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 618 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:42:44,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14467 states. [2023-11-29 03:42:44,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14467 to 14157. [2023-11-29 03:42:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14157 states, 14156 states have (on average 1.1347838372421588) internal successors, (16064), 14156 states have internal predecessors, (16064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:44,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 16064 transitions. [2023-11-29 03:42:44,518 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 16064 transitions. Word has length 550 [2023-11-29 03:42:44,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:44,519 INFO L495 AbstractCegarLoop]: Abstraction has 14157 states and 16064 transitions. [2023-11-29 03:42:44,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:44,519 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 16064 transitions. [2023-11-29 03:42:44,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2023-11-29 03:42:44,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:44,529 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, 6, 6, 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, 2, 2, 2, 2, 2, 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] [2023-11-29 03:42:44,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:42:44,529 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:44,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:44,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1016252306, now seen corresponding path program 1 times [2023-11-29 03:42:44,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:44,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831221309] [2023-11-29 03:42:44,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:44,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 688 proven. 39 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2023-11-29 03:42:45,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:45,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831221309] [2023-11-29 03:42:45,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831221309] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:42:45,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166477502] [2023-11-29 03:42:45,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:45,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:42:45,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:42:45,085 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:42:45,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:42:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:45,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:42:45,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:42:45,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 615 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2023-11-29 03:42:45,461 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:42:45,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166477502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:45,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:42:45,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 03:42:45,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285510133] [2023-11-29 03:42:45,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:45,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:42:45,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:45,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:42:45,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:42:45,465 INFO L87 Difference]: Start difference. First operand 14157 states and 16064 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:47,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:47,195 INFO L93 Difference]: Finished difference Result 27711 states and 31487 transitions. [2023-11-29 03:42:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:42:47,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 625 [2023-11-29 03:42:47,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:47,212 INFO L225 Difference]: With dead ends: 27711 [2023-11-29 03:42:47,212 INFO L226 Difference]: Without dead ends: 13854 [2023-11-29 03:42:47,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:42:47,222 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 252 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:47,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 601 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 03:42:47,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13854 states. [2023-11-29 03:42:47,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13854 to 13554. [2023-11-29 03:42:47,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13554 states, 13553 states have (on average 1.0829336678226222) internal successors, (14677), 13553 states have internal predecessors, (14677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:47,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13554 states to 13554 states and 14677 transitions. [2023-11-29 03:42:47,394 INFO L78 Accepts]: Start accepts. Automaton has 13554 states and 14677 transitions. Word has length 625 [2023-11-29 03:42:47,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:47,395 INFO L495 AbstractCegarLoop]: Abstraction has 13554 states and 14677 transitions. [2023-11-29 03:42:47,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:47,395 INFO L276 IsEmpty]: Start isEmpty. Operand 13554 states and 14677 transitions. [2023-11-29 03:42:47,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2023-11-29 03:42:47,407 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:47,408 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 03:42:47,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:42:47,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:42:47,608 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:47,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:47,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1569391011, now seen corresponding path program 1 times [2023-11-29 03:42:47,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:47,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763039245] [2023-11-29 03:42:47,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:47,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 615 proven. 39 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-11-29 03:42:48,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:48,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763039245] [2023-11-29 03:42:48,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763039245] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:42:48,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447767309] [2023-11-29 03:42:48,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:48,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:42:48,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:42:48,391 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:42:48,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:42:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:48,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:42:48,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:42:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-11-29 03:42:49,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:42:49,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447767309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:42:49,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:42:49,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 03:42:49,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411975373] [2023-11-29 03:42:49,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:42:49,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:42:49,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:42:49,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:42:49,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:42:49,637 INFO L87 Difference]: Start difference. First operand 13554 states and 14677 transitions. Second operand has 4 states, 4 states have (on average 122.0) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:51,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:42:51,916 INFO L93 Difference]: Finished difference Result 28305 states and 30685 transitions. [2023-11-29 03:42:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:42:51,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 122.0) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 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 626 [2023-11-29 03:42:51,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:42:51,931 INFO L225 Difference]: With dead ends: 28305 [2023-11-29 03:42:51,931 INFO L226 Difference]: Without dead ends: 14752 [2023-11-29 03:42:51,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:42:51,941 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 316 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:42:51,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 386 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 03:42:51,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14752 states. [2023-11-29 03:42:52,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14752 to 14452. [2023-11-29 03:42:52,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14452 states, 14451 states have (on average 1.080894055774687) internal successors, (15620), 14451 states have internal predecessors, (15620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14452 states to 14452 states and 15620 transitions. [2023-11-29 03:42:52,071 INFO L78 Accepts]: Start accepts. Automaton has 14452 states and 15620 transitions. Word has length 626 [2023-11-29 03:42:52,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:42:52,071 INFO L495 AbstractCegarLoop]: Abstraction has 14452 states and 15620 transitions. [2023-11-29 03:42:52,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 122.0) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:42:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 14452 states and 15620 transitions. [2023-11-29 03:42:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2023-11-29 03:42:52,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:42:52,080 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:42:52,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:42:52,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 03:42:52,285 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:42:52,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:42:52,286 INFO L85 PathProgramCache]: Analyzing trace with hash 928750202, now seen corresponding path program 1 times [2023-11-29 03:42:52,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:42:52,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720555079] [2023-11-29 03:42:52,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:52,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:42:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 266 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:42:53,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:42:53,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720555079] [2023-11-29 03:42:53,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720555079] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:42:53,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718726523] [2023-11-29 03:42:53,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:42:53,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:42:53,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:42:53,638 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:42:53,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:42:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:42:53,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:42:53,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:43:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-29 03:43:01,366 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:43:01,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718726523] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:01,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:43:01,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-29 03:43:01,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443100528] [2023-11-29 03:43:01,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:01,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:01,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:01,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:01,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:43:01,369 INFO L87 Difference]: Start difference. First operand 14452 states and 15620 transitions. Second operand has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:03,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:03,165 INFO L93 Difference]: Finished difference Result 37280 states and 40277 transitions. [2023-11-29 03:43:03,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:03,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 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 663 [2023-11-29 03:43:03,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:43:03,185 INFO L225 Difference]: With dead ends: 37280 [2023-11-29 03:43:03,186 INFO L226 Difference]: Without dead ends: 22829 [2023-11-29 03:43:03,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:43:03,193 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 136 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:43:03,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 250 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 03:43:03,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22829 states. [2023-11-29 03:43:03,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22829 to 18939. [2023-11-29 03:43:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18939 states, 18938 states have (on average 1.0791002217763228) internal successors, (20436), 18938 states have internal predecessors, (20436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18939 states to 18939 states and 20436 transitions. [2023-11-29 03:43:03,419 INFO L78 Accepts]: Start accepts. Automaton has 18939 states and 20436 transitions. Word has length 663 [2023-11-29 03:43:03,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:43:03,420 INFO L495 AbstractCegarLoop]: Abstraction has 18939 states and 20436 transitions. [2023-11-29 03:43:03,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 18939 states and 20436 transitions. [2023-11-29 03:43:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2023-11-29 03:43:03,428 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:43:03,428 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:43:03,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:43:03,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 03:43:03,630 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:43:03,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:03,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1417746458, now seen corresponding path program 1 times [2023-11-29 03:43:03,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:03,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95969028] [2023-11-29 03:43:03,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:03,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-11-29 03:43:04,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:04,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95969028] [2023-11-29 03:43:04,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95969028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:04,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:04,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:43:04,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819144261] [2023-11-29 03:43:04,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:04,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:43:04,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:04,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:43:04,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:43:04,055 INFO L87 Difference]: Start difference. First operand 18939 states and 20436 transitions. Second operand has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:06,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:06,767 INFO L93 Difference]: Finished difference Result 48948 states and 52649 transitions. [2023-11-29 03:43:06,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:43:06,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 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 687 [2023-11-29 03:43:06,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:43:06,788 INFO L225 Difference]: With dead ends: 48948 [2023-11-29 03:43:06,788 INFO L226 Difference]: Without dead ends: 30010 [2023-11-29 03:43:06,797 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 03:43:06,797 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 585 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1888 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 2126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 1888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:43:06,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 236 Invalid, 2126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 1888 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 03:43:06,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30010 states. [2023-11-29 03:43:06,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30010 to 20132. [2023-11-29 03:43:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20132 states, 20131 states have (on average 1.0737171526501417) internal successors, (21615), 20131 states have internal predecessors, (21615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20132 states to 20132 states and 21615 transitions. [2023-11-29 03:43:07,036 INFO L78 Accepts]: Start accepts. Automaton has 20132 states and 21615 transitions. Word has length 687 [2023-11-29 03:43:07,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:43:07,037 INFO L495 AbstractCegarLoop]: Abstraction has 20132 states and 21615 transitions. [2023-11-29 03:43:07,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:07,037 INFO L276 IsEmpty]: Start isEmpty. Operand 20132 states and 21615 transitions. [2023-11-29 03:43:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2023-11-29 03:43:07,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:43:07,052 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:07,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 03:43:07,052 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:43:07,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:07,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1231133246, now seen corresponding path program 1 times [2023-11-29 03:43:07,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:07,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149210463] [2023-11-29 03:43:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:07,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:07,404 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2023-11-29 03:43:07,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:07,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149210463] [2023-11-29 03:43:07,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149210463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:07,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:07,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:43:07,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852079513] [2023-11-29 03:43:07,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:07,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:07,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:07,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:07,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:07,407 INFO L87 Difference]: Start difference. First operand 20132 states and 21615 transitions. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:08,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:08,866 INFO L93 Difference]: Finished difference Result 39961 states and 42915 transitions. [2023-11-29 03:43:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:08,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 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 718 [2023-11-29 03:43:08,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:43:08,882 INFO L225 Difference]: With dead ends: 39961 [2023-11-29 03:43:08,883 INFO L226 Difference]: Without dead ends: 19830 [2023-11-29 03:43:08,891 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 03:43:08,892 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 463 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:43:08,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 68 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:43:08,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19830 states. [2023-11-29 03:43:09,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19830 to 19829. [2023-11-29 03:43:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19829 states, 19828 states have (on average 1.074087149485576) internal successors, (21297), 19828 states have internal predecessors, (21297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19829 states to 19829 states and 21297 transitions. [2023-11-29 03:43:09,054 INFO L78 Accepts]: Start accepts. Automaton has 19829 states and 21297 transitions. Word has length 718 [2023-11-29 03:43:09,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:43:09,055 INFO L495 AbstractCegarLoop]: Abstraction has 19829 states and 21297 transitions. [2023-11-29 03:43:09,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:09,055 INFO L276 IsEmpty]: Start isEmpty. Operand 19829 states and 21297 transitions. [2023-11-29 03:43:09,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2023-11-29 03:43:09,065 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:43:09,066 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, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:09,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 03:43:09,066 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:43:09,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:09,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1099001505, now seen corresponding path program 1 times [2023-11-29 03:43:09,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:09,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267947458] [2023-11-29 03:43:09,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:09,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 619 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2023-11-29 03:43:09,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:09,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267947458] [2023-11-29 03:43:09,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267947458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:09,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:09,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:43:09,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711234758] [2023-11-29 03:43:09,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:09,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:09,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:09,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:09,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:09,441 INFO L87 Difference]: Start difference. First operand 19829 states and 21297 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:11,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:11,059 INFO L93 Difference]: Finished difference Result 45330 states and 48728 transitions. [2023-11-29 03:43:11,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:11,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 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 752 [2023-11-29 03:43:11,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:43:11,073 INFO L225 Difference]: With dead ends: 45330 [2023-11-29 03:43:11,073 INFO L226 Difference]: Without dead ends: 21914 [2023-11-29 03:43:11,084 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 03:43:11,085 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 281 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:43:11,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 507 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 03:43:11,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21914 states. [2023-11-29 03:43:11,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21914 to 19223. [2023-11-29 03:43:11,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19223 states, 19222 states have (on average 1.0456768286338571) internal successors, (20100), 19222 states have internal predecessors, (20100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:11,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19223 states to 19223 states and 20100 transitions. [2023-11-29 03:43:11,302 INFO L78 Accepts]: Start accepts. Automaton has 19223 states and 20100 transitions. Word has length 752 [2023-11-29 03:43:11,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:43:11,302 INFO L495 AbstractCegarLoop]: Abstraction has 19223 states and 20100 transitions. [2023-11-29 03:43:11,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 19223 states and 20100 transitions. [2023-11-29 03:43:11,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2023-11-29 03:43:11,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:43:11,313 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:11,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 03:43:11,313 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:43:11,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:11,314 INFO L85 PathProgramCache]: Analyzing trace with hash 25811987, now seen corresponding path program 1 times [2023-11-29 03:43:11,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:11,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576519240] [2023-11-29 03:43:11,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:11,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 692 proven. 188 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-11-29 03:43:12,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:12,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576519240] [2023-11-29 03:43:12,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576519240] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:43:12,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847315749] [2023-11-29 03:43:12,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:12,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:43:12,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:12,647 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:43:12,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:43:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:12,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:43:12,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:43:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 735 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2023-11-29 03:43:13,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:43:13,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847315749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:13,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:43:13,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2023-11-29 03:43:13,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347413954] [2023-11-29 03:43:13,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:13,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:43:13,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:13,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:43:13,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:43:13,299 INFO L87 Difference]: Start difference. First operand 19223 states and 20100 transitions. Second operand has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:15,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:15,754 INFO L93 Difference]: Finished difference Result 49248 states and 51406 transitions. [2023-11-29 03:43:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:43:15,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 0 states have call successors, (0), 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 827 [2023-11-29 03:43:15,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:43:15,775 INFO L225 Difference]: With dead ends: 49248 [2023-11-29 03:43:15,775 INFO L226 Difference]: Without dead ends: 29727 [2023-11-29 03:43:15,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 825 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:43:15,784 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 370 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:43:15,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 567 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 03:43:15,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29727 states. [2023-11-29 03:43:15,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29727 to 24611. [2023-11-29 03:43:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24611 states, 24610 states have (on average 1.0429500203169444) internal successors, (25667), 24610 states have internal predecessors, (25667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24611 states to 24611 states and 25667 transitions. [2023-11-29 03:43:16,003 INFO L78 Accepts]: Start accepts. Automaton has 24611 states and 25667 transitions. Word has length 827 [2023-11-29 03:43:16,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:43:16,003 INFO L495 AbstractCegarLoop]: Abstraction has 24611 states and 25667 transitions. [2023-11-29 03:43:16,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 24611 states and 25667 transitions. [2023-11-29 03:43:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2023-11-29 03:43:16,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:43:16,015 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, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:16,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 03:43:16,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 03:43:16,216 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:43:16,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:16,216 INFO L85 PathProgramCache]: Analyzing trace with hash 90506919, now seen corresponding path program 1 times [2023-11-29 03:43:16,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:16,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985791903] [2023-11-29 03:43:16,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:16,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:16,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 799 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-29 03:43:16,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:16,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985791903] [2023-11-29 03:43:16,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985791903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:16,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:16,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:43:16,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096333618] [2023-11-29 03:43:16,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:16,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:16,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:16,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:16,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:16,838 INFO L87 Difference]: Start difference. First operand 24611 states and 25667 transitions. Second operand has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:18,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:18,088 INFO L93 Difference]: Finished difference Result 40211 states and 41759 transitions. [2023-11-29 03:43:18,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:18,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 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 835 [2023-11-29 03:43:18,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:43:18,099 INFO L225 Difference]: With dead ends: 40211 [2023-11-29 03:43:18,099 INFO L226 Difference]: Without dead ends: 15601 [2023-11-29 03:43:18,106 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 03:43:18,107 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 319 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:43:18,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 94 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 03:43:18,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15601 states. [2023-11-29 03:43:18,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15601 to 12899. [2023-11-29 03:43:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12899 states, 12898 states have (on average 1.0294619320824934) internal successors, (13278), 12898 states have internal predecessors, (13278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12899 states to 12899 states and 13278 transitions. [2023-11-29 03:43:18,271 INFO L78 Accepts]: Start accepts. Automaton has 12899 states and 13278 transitions. Word has length 835 [2023-11-29 03:43:18,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:43:18,272 INFO L495 AbstractCegarLoop]: Abstraction has 12899 states and 13278 transitions. [2023-11-29 03:43:18,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand 12899 states and 13278 transitions. [2023-11-29 03:43:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 849 [2023-11-29 03:43:18,283 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:43:18,283 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, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 03:43:18,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 03:43:18,283 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:43:18,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:18,284 INFO L85 PathProgramCache]: Analyzing trace with hash -180597777, now seen corresponding path program 1 times [2023-11-29 03:43:18,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:18,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628319557] [2023-11-29 03:43:18,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:18,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:18,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 954 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2023-11-29 03:43:18,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:18,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628319557] [2023-11-29 03:43:18,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628319557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:18,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:18,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:43:18,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730754657] [2023-11-29 03:43:18,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:18,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:18,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:18,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:18,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:18,872 INFO L87 Difference]: Start difference. First operand 12899 states and 13278 transitions. Second operand has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:19,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:19,922 INFO L93 Difference]: Finished difference Result 29699 states and 30620 transitions. [2023-11-29 03:43:19,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:19,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 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 848 [2023-11-29 03:43:19,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:43:19,933 INFO L225 Difference]: With dead ends: 29699 [2023-11-29 03:43:19,933 INFO L226 Difference]: Without dead ends: 16801 [2023-11-29 03:43:19,939 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 03:43:19,939 INFO L413 NwaCegarLoop]: 421 mSDtfsCounter, 175 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:43:19,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 443 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:43:19,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16801 states. [2023-11-29 03:43:20,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16801 to 15303. [2023-11-29 03:43:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15303 states, 15302 states have (on average 1.0275780943667494) internal successors, (15724), 15302 states have internal predecessors, (15724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15303 states to 15303 states and 15724 transitions. [2023-11-29 03:43:20,064 INFO L78 Accepts]: Start accepts. Automaton has 15303 states and 15724 transitions. Word has length 848 [2023-11-29 03:43:20,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:43:20,065 INFO L495 AbstractCegarLoop]: Abstraction has 15303 states and 15724 transitions. [2023-11-29 03:43:20,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:20,065 INFO L276 IsEmpty]: Start isEmpty. Operand 15303 states and 15724 transitions. [2023-11-29 03:43:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2023-11-29 03:43:20,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:43:20,074 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:43:20,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 03:43:20,074 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:43:20,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:20,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1729561592, now seen corresponding path program 1 times [2023-11-29 03:43:20,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:20,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533096433] [2023-11-29 03:43:20,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:20,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:21,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 641 proven. 269 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-11-29 03:43:21,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:21,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533096433] [2023-11-29 03:43:21,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533096433] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:43:21,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818197840] [2023-11-29 03:43:21,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:21,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:43:21,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:21,533 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:43:21,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:43:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:21,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:43:21,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:43:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 658 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-29 03:43:22,088 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:43:22,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818197840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:22,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:43:22,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2023-11-29 03:43:22,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135738274] [2023-11-29 03:43:22,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:22,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:43:22,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:22,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:43:22,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:43:22,091 INFO L87 Difference]: Start difference. First operand 15303 states and 15724 transitions. Second operand has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:23,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:23,780 INFO L93 Difference]: Finished difference Result 21599 states and 22159 transitions. [2023-11-29 03:43:23,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:43:23,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 868 [2023-11-29 03:43:23,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:43:23,793 INFO L225 Difference]: With dead ends: 21599 [2023-11-29 03:43:23,793 INFO L226 Difference]: Without dead ends: 21597 [2023-11-29 03:43:23,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 871 GetRequests, 866 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:43:23,798 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 450 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:43:23,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 76 Invalid, 1569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 03:43:23,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21597 states. [2023-11-29 03:43:23,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21597 to 15004. [2023-11-29 03:43:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15004 states, 15003 states have (on average 1.0275944811037792) internal successors, (15417), 15003 states have internal predecessors, (15417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15004 states to 15004 states and 15417 transitions. [2023-11-29 03:43:23,944 INFO L78 Accepts]: Start accepts. Automaton has 15004 states and 15417 transitions. Word has length 868 [2023-11-29 03:43:23,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:43:23,945 INFO L495 AbstractCegarLoop]: Abstraction has 15004 states and 15417 transitions. [2023-11-29 03:43:23,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 15004 states and 15417 transitions. [2023-11-29 03:43:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2023-11-29 03:43:23,954 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:43:23,955 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 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 03:43:23,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 03:43:24,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 03:43:24,156 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:43:24,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:24,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1130952965, now seen corresponding path program 1 times [2023-11-29 03:43:24,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:24,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33241432] [2023-11-29 03:43:24,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:24,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 664 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2023-11-29 03:43:24,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:24,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33241432] [2023-11-29 03:43:24,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33241432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:24,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:24,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:43:24,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607630233] [2023-11-29 03:43:24,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:24,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:24,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:24,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:24,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:24,608 INFO L87 Difference]: Start difference. First operand 15004 states and 15417 transitions. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:25,842 INFO L93 Difference]: Finished difference Result 31800 states and 32671 transitions. [2023-11-29 03:43:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:25,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 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 880 [2023-11-29 03:43:25,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:43:25,853 INFO L225 Difference]: With dead ends: 31800 [2023-11-29 03:43:25,853 INFO L226 Difference]: Without dead ends: 16498 [2023-11-29 03:43:25,858 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 03:43:25,859 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 308 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:43:25,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 430 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 03:43:25,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16498 states. [2023-11-29 03:43:25,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16498 to 14702. [2023-11-29 03:43:25,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14702 states, 14701 states have (on average 1.026596830147609) internal successors, (15092), 14701 states have internal predecessors, (15092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:25,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14702 states to 14702 states and 15092 transitions. [2023-11-29 03:43:25,984 INFO L78 Accepts]: Start accepts. Automaton has 14702 states and 15092 transitions. Word has length 880 [2023-11-29 03:43:25,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:43:25,985 INFO L495 AbstractCegarLoop]: Abstraction has 14702 states and 15092 transitions. [2023-11-29 03:43:25,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:25,985 INFO L276 IsEmpty]: Start isEmpty. Operand 14702 states and 15092 transitions. [2023-11-29 03:43:25,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2023-11-29 03:43:25,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:43:25,994 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:43:25,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 03:43:25,994 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:43:25,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:25,995 INFO L85 PathProgramCache]: Analyzing trace with hash 42576084, now seen corresponding path program 1 times [2023-11-29 03:43:25,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:25,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598705939] [2023-11-29 03:43:25,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:25,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2023-11-29 03:43:26,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:26,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598705939] [2023-11-29 03:43:26,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598705939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:26,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:26,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:43:26,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178886675] [2023-11-29 03:43:26,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:26,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:43:26,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:26,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:43:26,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:43:26,844 INFO L87 Difference]: Start difference. First operand 14702 states and 15092 transitions. Second operand has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:28,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:28,781 INFO L93 Difference]: Finished difference Result 34199 states and 35082 transitions. [2023-11-29 03:43:28,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:43:28,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 901 [2023-11-29 03:43:28,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:43:28,795 INFO L225 Difference]: With dead ends: 34199 [2023-11-29 03:43:28,795 INFO L226 Difference]: Without dead ends: 19199 [2023-11-29 03:43:28,800 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 03:43:28,801 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 490 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1845 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:43:28,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 400 Invalid, 1932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1845 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:43:28,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19199 states. [2023-11-29 03:43:28,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19199 to 13804. [2023-11-29 03:43:28,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13804 states, 13803 states have (on average 1.0267333188437295) internal successors, (14172), 13803 states have internal predecessors, (14172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:28,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13804 states to 13804 states and 14172 transitions. [2023-11-29 03:43:28,983 INFO L78 Accepts]: Start accepts. Automaton has 13804 states and 14172 transitions. Word has length 901 [2023-11-29 03:43:28,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:43:28,984 INFO L495 AbstractCegarLoop]: Abstraction has 13804 states and 14172 transitions. [2023-11-29 03:43:28,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:28,984 INFO L276 IsEmpty]: Start isEmpty. Operand 13804 states and 14172 transitions. [2023-11-29 03:43:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2023-11-29 03:43:29,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:43:29,001 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, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 03:43:29,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 03:43:29,001 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:43:29,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:29,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1619083546, now seen corresponding path program 1 times [2023-11-29 03:43:29,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:29,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832100044] [2023-11-29 03:43:29,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:29,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:30,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 1003 proven. 183 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-29 03:43:30,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:30,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832100044] [2023-11-29 03:43:30,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832100044] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:43:30,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582015393] [2023-11-29 03:43:30,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:30,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:43:30,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:30,387 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:43:30,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:43:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:30,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:43:30,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:43:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 1133 proven. 76 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2023-11-29 03:43:30,917 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:43:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 1058 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-29 03:43:31,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582015393] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:43:31,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:43:31,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 8 [2023-11-29 03:43:31,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94173047] [2023-11-29 03:43:31,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:31,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:31,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:31,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:31,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:43:31,511 INFO L87 Difference]: Start difference. First operand 13804 states and 14172 transitions. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:36,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:43:36,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:36,194 INFO L93 Difference]: Finished difference Result 28506 states and 29262 transitions. [2023-11-29 03:43:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:36,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 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 905 [2023-11-29 03:43:36,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:43:36,203 INFO L225 Difference]: With dead ends: 28506 [2023-11-29 03:43:36,203 INFO L226 Difference]: Without dead ends: 14703 [2023-11-29 03:43:36,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1815 GetRequests, 1809 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:43:36,208 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 242 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:43:36,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 43 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-29 03:43:36,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14703 states. [2023-11-29 03:43:36,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14703 to 14101. [2023-11-29 03:43:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14101 states, 14100 states have (on average 1.0243971631205673) internal successors, (14444), 14100 states have internal predecessors, (14444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14101 states to 14101 states and 14444 transitions. [2023-11-29 03:43:36,319 INFO L78 Accepts]: Start accepts. Automaton has 14101 states and 14444 transitions. Word has length 905 [2023-11-29 03:43:36,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:43:36,320 INFO L495 AbstractCegarLoop]: Abstraction has 14101 states and 14444 transitions. [2023-11-29 03:43:36,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 14101 states and 14444 transitions. [2023-11-29 03:43:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2023-11-29 03:43:36,329 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:43:36,329 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:36,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 03:43:36,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 03:43:36,530 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:43:36,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:36,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1868970456, now seen corresponding path program 1 times [2023-11-29 03:43:36,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:36,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018507119] [2023-11-29 03:43:36,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:36,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 861 proven. 188 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2023-11-29 03:43:37,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:37,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018507119] [2023-11-29 03:43:37,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018507119] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:43:37,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139908863] [2023-11-29 03:43:37,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:37,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:43:37,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:37,861 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:43:37,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 03:43:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:38,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 1068 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:43:38,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:43:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 881 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2023-11-29 03:43:48,644 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:43:48,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139908863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:48,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:43:48,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2023-11-29 03:43:48,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057438274] [2023-11-29 03:43:48,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:48,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:43:48,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:48,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:43:48,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:43:48,647 INFO L87 Difference]: Start difference. First operand 14101 states and 14444 transitions. Second operand has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:53,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:43:58,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:02,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:06,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:11,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:15,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:20,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:24,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:29,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:35,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:40,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:44,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:48,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:53,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:44:57,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:45:04,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:45:05,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:45:05,456 INFO L93 Difference]: Finished difference Result 35099 states and 35915 transitions. [2023-11-29 03:45:05,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:45:05,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 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 914 [2023-11-29 03:45:05,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:45:05,469 INFO L225 Difference]: With dead ends: 35099 [2023-11-29 03:45:05,469 INFO L226 Difference]: Without dead ends: 20700 [2023-11-29 03:45:05,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 917 GetRequests, 912 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:45:05,476 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 353 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 113 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:45:05,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 88 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1498 Invalid, 16 Unknown, 0 Unchecked, 76.7s Time] [2023-11-29 03:45:05,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20700 states. [2023-11-29 03:45:05,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20700 to 17697. [2023-11-29 03:45:05,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17697 states, 17696 states have (on average 1.0231690777576854) internal successors, (18106), 17696 states have internal predecessors, (18106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:45:05,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17697 states to 17697 states and 18106 transitions. [2023-11-29 03:45:05,640 INFO L78 Accepts]: Start accepts. Automaton has 17697 states and 18106 transitions. Word has length 914 [2023-11-29 03:45:05,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:45:05,640 INFO L495 AbstractCegarLoop]: Abstraction has 17697 states and 18106 transitions. [2023-11-29 03:45:05,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:45:05,641 INFO L276 IsEmpty]: Start isEmpty. Operand 17697 states and 18106 transitions. [2023-11-29 03:45:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2023-11-29 03:45:05,649 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:45:05,650 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 03:45:05,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 03:45:05,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 03:45:05,851 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:45:05,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:45:05,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1621128064, now seen corresponding path program 1 times [2023-11-29 03:45:05,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:45:05,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162828362] [2023-11-29 03:45:05,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:45:05,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:45:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:45:06,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 888 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-11-29 03:45:06,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:45:06,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162828362] [2023-11-29 03:45:06,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162828362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:45:06,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:45:06,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:45:06,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54920504] [2023-11-29 03:45:06,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:45:06,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:45:06,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:45:06,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:45:06,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:45:06,706 INFO L87 Difference]: Start difference. First operand 17697 states and 18106 transitions. Second operand has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:45:08,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:45:08,603 INFO L93 Difference]: Finished difference Result 39894 states and 40796 transitions. [2023-11-29 03:45:08,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:45:08,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 917 [2023-11-29 03:45:08,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:45:08,617 INFO L225 Difference]: With dead ends: 39894 [2023-11-29 03:45:08,617 INFO L226 Difference]: Without dead ends: 21899 [2023-11-29 03:45:08,624 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 03:45:08,625 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 362 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:45:08,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 54 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1473 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:45:08,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21899 states. [2023-11-29 03:45:08,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21899 to 15602. [2023-11-29 03:45:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15602 states, 15601 states have (on average 1.024036920710211) internal successors, (15976), 15601 states have internal predecessors, (15976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:45:08,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15602 states to 15602 states and 15976 transitions. [2023-11-29 03:45:08,816 INFO L78 Accepts]: Start accepts. Automaton has 15602 states and 15976 transitions. Word has length 917 [2023-11-29 03:45:08,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:45:08,817 INFO L495 AbstractCegarLoop]: Abstraction has 15602 states and 15976 transitions. [2023-11-29 03:45:08,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:45:08,817 INFO L276 IsEmpty]: Start isEmpty. Operand 15602 states and 15976 transitions. [2023-11-29 03:45:08,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2023-11-29 03:45:08,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:45:08,826 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, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 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] [2023-11-29 03:45:08,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 03:45:08,827 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:45:08,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:45:08,827 INFO L85 PathProgramCache]: Analyzing trace with hash -863499332, now seen corresponding path program 1 times [2023-11-29 03:45:08,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:45:08,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493699801] [2023-11-29 03:45:08,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:45:08,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:45:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:45:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 1014 proven. 501 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-29 03:45:10,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:45:10,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493699801] [2023-11-29 03:45:10,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493699801] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:45:10,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873599809] [2023-11-29 03:45:10,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:45:10,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:45:10,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:45:10,538 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:45:10,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 03:45:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:45:10,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:45:10,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:45:11,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 759 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2023-11-29 03:45:11,797 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:45:11,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873599809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:45:11,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:45:11,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2023-11-29 03:45:11,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139899822] [2023-11-29 03:45:11,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:45:11,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:45:11,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:45:11,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:45:11,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:45:11,799 INFO L87 Difference]: Start difference. First operand 15602 states and 15976 transitions. Second operand has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:45:14,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:45:15,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:45:15,622 INFO L93 Difference]: Finished difference Result 34504 states and 35302 transitions. [2023-11-29 03:45:15,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:45:15,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 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 922 [2023-11-29 03:45:15,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:45:15,635 INFO L225 Difference]: With dead ends: 34504 [2023-11-29 03:45:15,635 INFO L226 Difference]: Without dead ends: 18604 [2023-11-29 03:45:15,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 926 GetRequests, 921 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:45:15,641 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 490 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 101 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:45:15,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 84 Invalid, 1579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1477 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 03:45:15,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18604 states. [2023-11-29 03:45:15,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18604 to 14103. [2023-11-29 03:45:15,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14103 states, 14102 states have (on average 1.023968231456531) internal successors, (14440), 14102 states have internal predecessors, (14440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:45:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14103 states to 14103 states and 14440 transitions. [2023-11-29 03:45:15,778 INFO L78 Accepts]: Start accepts. Automaton has 14103 states and 14440 transitions. Word has length 922 [2023-11-29 03:45:15,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:45:15,779 INFO L495 AbstractCegarLoop]: Abstraction has 14103 states and 14440 transitions. [2023-11-29 03:45:15,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:45:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 14103 states and 14440 transitions. [2023-11-29 03:45:15,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1544 [2023-11-29 03:45:15,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:45:15,797 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, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 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 03:45:15,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 03:45:15,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-29 03:45:15,998 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:45:15,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:45:15,998 INFO L85 PathProgramCache]: Analyzing trace with hash 92138732, now seen corresponding path program 1 times [2023-11-29 03:45:15,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:45:15,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021880277] [2023-11-29 03:45:15,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:45:15,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:45:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:45:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3774 backedges. 2368 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-29 03:45:16,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:45:16,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021880277] [2023-11-29 03:45:16,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021880277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:45:16,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:45:16,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:45:16,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715207853] [2023-11-29 03:45:16,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:45:16,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:45:16,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:45:16,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:45:16,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:45:16,825 INFO L87 Difference]: Start difference. First operand 14103 states and 14440 transitions. Second operand has 3 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:45:17,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:45:17,744 INFO L93 Difference]: Finished difference Result 26704 states and 27342 transitions. [2023-11-29 03:45:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:45:17,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 0 states have call successors, (0), 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 1543 [2023-11-29 03:45:17,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:45:17,745 INFO L225 Difference]: With dead ends: 26704 [2023-11-29 03:45:17,745 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 03:45:17,750 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 03:45:17,750 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 34 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:45:17,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 399 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:45:17,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 03:45:17,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 03:45:17,751 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 03:45:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 03:45:17,751 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1543 [2023-11-29 03:45:17,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:45:17,752 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:45:17,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:45:17,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:45:17,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 03:45:17,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:45:17,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 03:45:17,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 03:45:25,147 WARN L293 SmtUtils]: Spent 7.39s on a formula simplification. DAG size of input: 644 DAG size of output: 785 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 03:45:36,114 WARN L293 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 785 DAG size of output: 145 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 03:45:36,118 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,118 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,118 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,118 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,118 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,119 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,119 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2023-11-29 03:45:36,119 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2023-11-29 03:45:36,119 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,119 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,119 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,119 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,119 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,119 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,119 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,119 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2023-11-29 03:45:36,120 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,121 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,122 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,123 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,124 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2023-11-29 03:45:36,125 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2023-11-29 03:45:36,126 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2023-11-29 03:45:36,126 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2023-11-29 03:45:36,126 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2023-11-29 03:45:36,126 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2023-11-29 03:45:36,126 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,126 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,126 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,126 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,126 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2023-11-29 03:45:36,126 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2023-11-29 03:45:36,126 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2023-11-29 03:45:36,127 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2023-11-29 03:45:36,128 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,128 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2023-11-29 03:45:36,128 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2023-11-29 03:45:36,128 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,128 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2023-11-29 03:45:36,128 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2023-11-29 03:45:36,128 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,128 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,128 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,128 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,128 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1668 1768) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,129 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,130 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,131 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,132 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,133 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,134 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,135 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,136 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L1770(lines 1770 1786) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,137 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2023-11-29 03:45:36,138 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2023-11-29 03:45:36,138 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,138 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,138 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 03:45:36,138 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,138 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,138 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,138 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,139 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse28 (+ 142 ~a29~0))) (let ((.cse4 (<= 0 (+ 146 ~a0~0))) (.cse10 (<= (+ ~a29~0 127) 0)) (.cse15 (<= 0 (+ 97 ~a0~0))) (.cse14 (<= 168789 ~a29~0)) (.cse23 (exists ((v_z_331 Int) (v_y_331 Int)) (let ((.cse30 (* 9 v_y_331)) (.cse31 (div (* 81 v_z_331) 10))) (let ((.cse29 (mod (+ 40 .cse30 .cse31) 63))) (and (not (= v_z_331 0)) (not (= .cse29 0)) (<= 0 v_z_331) (<= v_z_331 9) (<= (+ .cse29 843813) (* 5 ~a29~0)) (<= (+ 5270 .cse30 .cse31) 0)))))) (.cse20 (= ~a2~0 4)) (.cse12 (<= 0 (+ ~a29~0 13))) (.cse21 (<= 0 (+ ~a29~0 16))) (.cse11 (= 2 ~a2~0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse8 (<= (+ ~a0~0 147) 0)) (.cse1 (<= 5 ~a2~0)) (.cse16 (<= 0 .cse28)) (.cse17 (<= ~a29~0 43)) (.cse19 (<= 44 ~a29~0)) (.cse13 (<= 0 (+ ~a0~0 145))) (.cse7 (<= 0 (+ ~a4~0 85))) (.cse9 (= 3 ~a2~0)) (.cse3 (<= (+ 98 ~a0~0) 0)) (.cse6 (<= 0 (+ 600001 ~a29~0))) (.cse18 (<= (+ 148 ~a0~0) 0)) (.cse22 (<= 0 (+ 599999 ~a0~0))) (.cse2 (<= (+ 42 ~a4~0) 0)) (.cse5 (= ~a2~0 1)) (.cse24 (exists ((v_z_331 Int) (v_y_331 Int)) (let ((.cse26 (* 9 v_y_331)) (.cse27 (div (* 81 v_z_331) 10))) (let ((.cse25 (mod (+ 40 .cse26 .cse27) 63))) (and (not (= v_z_331 0)) (not (= .cse25 0)) (<= 0 v_z_331) (<= v_z_331 9) (<= (+ 5270 .cse26 .cse27) 0) (<= .cse25 .cse28))))))) (or (and (<= 48790 ~a29~0) .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse7 .cse8 .cse6 .cse9 .cse10) (and .cse2 .cse11 .cse7 .cse3 .cse12 .cse13) (and .cse0 .cse3 .cse1 .cse10) (and .cse2 .cse3 .cse4 .cse1 .cse14) (and .cse15 .cse2 .cse7 .cse5 .cse16 .cse17) (and .cse11 .cse0 .cse3) (and .cse18 .cse2 .cse7 .cse19 .cse9) (and .cse0 .cse3 .cse4 .cse1) (and .cse18 .cse2 .cse7 .cse20 .cse6 .cse10) (and .cse0 .cse3 .cse5) (and .cse19 .cse0 .cse3 .cse1) (and .cse15 .cse0 .cse21 .cse1 .cse17) (and .cse0 .cse3 .cse20) (and .cse0 .cse20 .cse6 .cse17) (and .cse0 .cse6 .cse9) (and .cse0 .cse5 .cse17) (and .cse18 .cse2 .cse6 .cse9 .cse17) (and .cse2 .cse7 .cse3 .cse1 .cse6 .cse13) (and .cse2 .cse11 .cse7 .cse19 .cse3) (and .cse0 .cse3 .cse9) (and .cse22 .cse2 .cse7 .cse8 .cse20 .cse12) (and (or (and .cse22 .cse2 .cse7 .cse23 .cse1) (and .cse22 .cse2 .cse1 .cse14)) .cse8) (and .cse18 .cse22 .cse2 .cse19 .cse1) (and .cse2 .cse8 .cse9 .cse24 .cse17) (and .cse22 .cse2 .cse7 .cse23 .cse3 .cse20) (and .cse22 .cse2 .cse7 .cse21 .cse5 .cse17) (and .cse18 .cse22 .cse2 .cse7 .cse20 .cse16) (and .cse18 .cse2 .cse11 .cse7 .cse12) (and .cse18 .cse2 .cse19 .cse5) (and .cse22 .cse2 .cse11 .cse7 .cse8 .cse21) (and .cse18 .cse22 .cse2 .cse11 .cse7 .cse6) (and .cse11 .cse0 .cse6) (and .cse2 .cse7 .cse8 .cse1 .cse16 .cse17) (and (or (and .cse2 .cse7 .cse19 .cse9 .cse13) (and .cse2 .cse7 (<= 0 (+ 141 ~a0~0)) .cse9)) .cse3 .cse6) (and .cse18 .cse22 .cse2 .cse5 .cse24)))) [2023-11-29 03:45:36,139 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,139 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,139 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,139 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,139 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,139 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,139 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,140 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,141 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,141 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,141 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,141 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,141 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,141 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,141 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,141 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,141 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,141 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,141 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,142 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,142 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,142 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,142 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,142 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,142 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,142 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,142 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-11-29 03:45:36,142 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,142 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,143 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2023-11-29 03:45:36,144 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,145 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,146 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,147 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2023-11-29 03:45:36,151 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:45:36,153 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:45:36,178 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_z_331 : int, v_y_331 : int :: ((((!(v_z_331 == 0) && !((40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 == 0)) && 0 <= v_z_331) && v_z_331 <= 9) && (40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 + 843813 <= 5 * ~a29~0) && 5270 + 9 * v_y_331 + 81 * v_z_331 / 10 <= 0) could not be translated [2023-11-29 03:45:36,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_z_331 : int, v_y_331 : int :: ((((!(v_z_331 == 0) && !((40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 == 0)) && 0 <= v_z_331) && v_z_331 <= 9) && 5270 + 9 * v_y_331 + 81 * v_z_331 / 10 <= 0) && (40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 <= 142 + ~a29~0) could not be translated [2023-11-29 03:45:36,180 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_z_331 : int, v_y_331 : int :: ((((!(v_z_331 == 0) && !((40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 == 0)) && 0 <= v_z_331) && v_z_331 <= 9) && (40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 + 843813 <= 5 * ~a29~0) && 5270 + 9 * v_y_331 + 81 * v_z_331 / 10 <= 0) could not be translated [2023-11-29 03:45:36,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_z_331 : int, v_y_331 : int :: ((((!(v_z_331 == 0) && !((40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 == 0)) && 0 <= v_z_331) && v_z_331 <= 9) && 5270 + 9 * v_y_331 + 81 * v_z_331 / 10 <= 0) && (40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 <= 142 + ~a29~0) could not be translated [2023-11-29 03:45:36,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:45:36 BoogieIcfgContainer [2023-11-29 03:45:36,183 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:45:36,184 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:45:36,184 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:45:36,184 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:45:36,184 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:42:18" (3/4) ... [2023-11-29 03:45:36,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:45:36,216 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-29 03:45:36,218 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 03:45:36,221 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 03:45:36,224 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:45:36,433 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:45:36,433 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:45:36,433 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:45:36,434 INFO L158 Benchmark]: Toolchain (without parser) took 202234.69ms. Allocated memory was 172.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 129.3MB in the beginning and 488.6MB in the end (delta: -359.3MB). Peak memory consumption was 847.1MB. Max. memory is 16.1GB. [2023-11-29 03:45:36,434 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:45:36,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 972.08ms. Allocated memory is still 172.0MB. Free memory was 129.3MB in the beginning and 77.6MB in the end (delta: 51.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-29 03:45:36,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 233.07ms. Allocated memory is still 172.0MB. Free memory was 77.6MB in the beginning and 115.5MB in the end (delta: -37.9MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2023-11-29 03:45:36,435 INFO L158 Benchmark]: Boogie Preprocessor took 295.07ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 115.5MB in the beginning and 157.2MB in the end (delta: -41.7MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2023-11-29 03:45:36,435 INFO L158 Benchmark]: RCFGBuilder took 3276.25ms. Allocated memory is still 224.4MB. Free memory was 156.2MB in the beginning and 87.9MB in the end (delta: 68.3MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. [2023-11-29 03:45:36,436 INFO L158 Benchmark]: TraceAbstraction took 197201.83ms. Allocated memory was 224.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 86.8MB in the beginning and 515.9MB in the end (delta: -429.0MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-11-29 03:45:36,436 INFO L158 Benchmark]: Witness Printer took 249.82ms. Allocated memory is still 1.4GB. Free memory was 515.9MB in the beginning and 488.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 03:45:36,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 972.08ms. Allocated memory is still 172.0MB. Free memory was 129.3MB in the beginning and 77.6MB in the end (delta: 51.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 233.07ms. Allocated memory is still 172.0MB. Free memory was 77.6MB in the beginning and 115.5MB in the end (delta: -37.9MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 295.07ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 115.5MB in the beginning and 157.2MB in the end (delta: -41.7MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3276.25ms. Allocated memory is still 224.4MB. Free memory was 156.2MB in the beginning and 87.9MB in the end (delta: 68.3MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. * TraceAbstraction took 197201.83ms. Allocated memory was 224.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 86.8MB in the beginning and 515.9MB in the end (delta: -429.0MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 249.82ms. Allocated memory is still 1.4GB. Free memory was 515.9MB in the beginning and 488.6MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_z_331 : int, v_y_331 : int :: ((((!(v_z_331 == 0) && !((40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 == 0)) && 0 <= v_z_331) && v_z_331 <= 9) && (40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 + 843813 <= 5 * ~a29~0) && 5270 + 9 * v_y_331 + 81 * v_z_331 / 10 <= 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_z_331 : int, v_y_331 : int :: ((((!(v_z_331 == 0) && !((40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 == 0)) && 0 <= v_z_331) && v_z_331 <= 9) && 5270 + 9 * v_y_331 + 81 * v_z_331 / 10 <= 0) && (40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 <= 142 + ~a29~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_z_331 : int, v_y_331 : int :: ((((!(v_z_331 == 0) && !((40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 == 0)) && 0 <= v_z_331) && v_z_331 <= 9) && (40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 + 843813 <= 5 * ~a29~0) && 5270 + 9 * v_y_331 + 81 * v_z_331 / 10 <= 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_z_331 : int, v_y_331 : int :: ((((!(v_z_331 == 0) && !((40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 == 0)) && 0 <= v_z_331) && v_z_331 <= 9) && 5270 + 9 * v_y_331 + 81 * v_z_331 / 10 <= 0) && (40 + 9 * v_y_331 + 81 * v_z_331 / 10) % 63 <= 142 + ~a29~0) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 206]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 362 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 197.1s, OverallIterations: 28, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 128.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 8171 SdHoareTripleChecker+Valid, 125.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8171 mSDsluCounter, 9844 SdHoareTripleChecker+Invalid, 119.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 905 mSDsCounter, 4293 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29431 IncrementalHoareTripleChecker+Invalid, 33741 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4293 mSolverCounterUnsat, 8939 mSDtfsCounter, 29431 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8400 GetRequests, 8332 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24611occurred in iteration=18, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 28 MinimizatonAttempts, 56988 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 62 NumberOfFragments, 1071 HoareAnnotationTreeSize, 1 FomulaSimplifications, 72165 FormulaSimplificationTreeSizeReduction, 7.4s HoareSimplificationTime, 1 FomulaSimplificationsInter, 33539 FormulaSimplificationTreeSizeReductionInter, 11.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 38.2s InterpolantComputationTime, 24998 NumberOfCodeBlocks, 24998 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 25864 ConstructedInterpolants, 347 QuantifiedInterpolants, 106796 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8830 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 39 InterpolantComputations, 28 PerfectInterpolantSequences, 36184/38097 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((48790 <= a29) && ((89 + a4) <= 0)) && (5 <= a2)) || ((((((42 + a4) <= 0) && ((98 + a0) <= 0)) && (0 <= (146 + a0))) && (a2 == 1)) && (0 <= (600001 + a29)))) || (((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0)) && (0 <= (600001 + a29))) && (3 == a2)) && ((a29 + 127) <= 0))) || (((((((42 + a4) <= 0) && (2 == a2)) && (0 <= (a4 + 85))) && ((98 + a0) <= 0)) && (0 <= (a29 + 13))) && (0 <= (a0 + 145)))) || (((((89 + a4) <= 0) && ((98 + a0) <= 0)) && (5 <= a2)) && ((a29 + 127) <= 0))) || ((((((42 + a4) <= 0) && ((98 + a0) <= 0)) && (0 <= (146 + a0))) && (5 <= a2)) && (168789 <= a29))) || ((((((0 <= (97 + a0)) && ((42 + a4) <= 0)) && (0 <= (a4 + 85))) && (a2 == 1)) && (0 <= (142 + a29))) && (a29 <= 43))) || (((2 == a2) && ((89 + a4) <= 0)) && ((98 + a0) <= 0))) || ((((((148 + a0) <= 0) && ((42 + a4) <= 0)) && (0 <= (a4 + 85))) && (44 <= a29)) && (3 == a2))) || (((((89 + a4) <= 0) && ((98 + a0) <= 0)) && (0 <= (146 + a0))) && (5 <= a2))) || (((((((148 + a0) <= 0) && ((42 + a4) <= 0)) && (0 <= (a4 + 85))) && (a2 == 4)) && (0 <= (600001 + a29))) && ((a29 + 127) <= 0))) || ((((89 + a4) <= 0) && ((98 + a0) <= 0)) && (a2 == 1))) || ((((44 <= a29) && ((89 + a4) <= 0)) && ((98 + a0) <= 0)) && (5 <= a2))) || (((((0 <= (97 + a0)) && ((89 + a4) <= 0)) && (0 <= (a29 + 16))) && (5 <= a2)) && (a29 <= 43))) || ((((89 + a4) <= 0) && ((98 + a0) <= 0)) && (a2 == 4))) || (((((89 + a4) <= 0) && (a2 == 4)) && (0 <= (600001 + a29))) && (a29 <= 43))) || ((((89 + a4) <= 0) && (0 <= (600001 + a29))) && (3 == a2))) || ((((89 + a4) <= 0) && (a2 == 1)) && (a29 <= 43))) || ((((((148 + a0) <= 0) && ((42 + a4) <= 0)) && (0 <= (600001 + a29))) && (3 == a2)) && (a29 <= 43))) || (((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && ((98 + a0) <= 0)) && (5 <= a2)) && (0 <= (600001 + a29))) && (0 <= (a0 + 145)))) || ((((((42 + a4) <= 0) && (2 == a2)) && (0 <= (a4 + 85))) && (44 <= a29)) && ((98 + a0) <= 0))) || ((((89 + a4) <= 0) && ((98 + a0) <= 0)) && (3 == a2))) || ((((((0 <= (599999 + a0)) && ((42 + a4) <= 0)) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0)) && (a2 == 4)) && (0 <= (a29 + 13)))) || ((((((0 <= (599999 + a0)) && ((42 + a4) <= 0)) && (0 <= (a4 + 85))) && (5 <= a2)) || ((((0 <= (599999 + a0)) && ((42 + a4) <= 0)) && (5 <= a2)) && (168789 <= a29))) && ((a0 + 147) <= 0))) || ((((((148 + a0) <= 0) && (0 <= (599999 + a0))) && ((42 + a4) <= 0)) && (44 <= a29)) && (5 <= a2))) || (((((42 + a4) <= 0) && ((a0 + 147) <= 0)) && (3 == a2)) && (a29 <= 43))) || (((((0 <= (599999 + a0)) && ((42 + a4) <= 0)) && (0 <= (a4 + 85))) && ((98 + a0) <= 0)) && (a2 == 4))) || ((((((0 <= (599999 + a0)) && ((42 + a4) <= 0)) && (0 <= (a4 + 85))) && (0 <= (a29 + 16))) && (a2 == 1)) && (a29 <= 43))) || (((((((148 + a0) <= 0) && (0 <= (599999 + a0))) && ((42 + a4) <= 0)) && (0 <= (a4 + 85))) && (a2 == 4)) && (0 <= (142 + a29)))) || ((((((148 + a0) <= 0) && ((42 + a4) <= 0)) && (2 == a2)) && (0 <= (a4 + 85))) && (0 <= (a29 + 13)))) || (((((148 + a0) <= 0) && ((42 + a4) <= 0)) && (44 <= a29)) && (a2 == 1))) || ((((((0 <= (599999 + a0)) && ((42 + a4) <= 0)) && (2 == a2)) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0)) && (0 <= (a29 + 16)))) || (((((((148 + a0) <= 0) && (0 <= (599999 + a0))) && ((42 + a4) <= 0)) && (2 == a2)) && (0 <= (a4 + 85))) && (0 <= (600001 + a29)))) || (((2 == a2) && ((89 + a4) <= 0)) && (0 <= (600001 + a29)))) || (((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0)) && (5 <= a2)) && (0 <= (142 + a29))) && (a29 <= 43))) || (((((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && (44 <= a29)) && (3 == a2)) && (0 <= (a0 + 145))) || (((((42 + a4) <= 0) && (0 <= (a4 + 85))) && (0 <= (141 + a0))) && (3 == a2))) && ((98 + a0) <= 0)) && (0 <= (600001 + a29)))) || (((((148 + a0) <= 0) && (0 <= (599999 + a0))) && ((42 + a4) <= 0)) && (a2 == 1))) RESULT: Ultimate proved your program to be correct! [2023-11-29 03:45:36,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600ba1a8-2cba-4f9f-aa9f-03b8a67c3fc7/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