./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label46.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_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/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_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label46.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/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_98061543-692f-4389-9f45-84a8a096817d/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 541e7f2d0384c0fe15c71d37dc3b6d915f82dde67f224d182d5f6431c66d5181 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:06:33,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:06:33,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:06:33,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:06:33,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:06:33,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:06:33,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:06:33,941 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:06:33,942 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:06:33,943 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:06:33,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:06:33,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:06:33,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:06:33,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:06:33,946 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:06:33,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:06:33,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:06:33,947 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:06:33,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:06:33,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:06:33,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:06:33,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:06:33,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:06:33,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:06:33,951 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:06:33,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:06:33,952 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:06:33,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:06:33,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:06:33,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:06:33,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:06:33,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:06:33,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:06:33,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:06:33,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:06:33,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:06:33,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:06:33,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:06:33,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:06:33,956 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:06:33,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:06:33,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:06:33,957 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_98061543-692f-4389-9f45-84a8a096817d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 541e7f2d0384c0fe15c71d37dc3b6d915f82dde67f224d182d5f6431c66d5181 [2023-11-29 04:06:34,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:06:34,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:06:34,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:06:34,187 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:06:34,188 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:06:34,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/eca-rers2012/Problem03_label46.c [2023-11-29 04:06:37,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:06:37,282 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:06:37,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/sv-benchmarks/c/eca-rers2012/Problem03_label46.c [2023-11-29 04:06:37,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/data/fdcf9314b/ae78d40c0bed4095b110b90a5e86aaf3/FLAG02e758c26 [2023-11-29 04:06:37,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/data/fdcf9314b/ae78d40c0bed4095b110b90a5e86aaf3 [2023-11-29 04:06:37,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:06:37,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:06:37,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:06:37,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:06:37,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:06:37,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:06:37" (1/1) ... [2023-11-29 04:06:37,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48141a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:37, skipping insertion in model container [2023-11-29 04:06:37,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:06:37" (1/1) ... [2023-11-29 04:06:37,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:06:37,873 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_98061543-692f-4389-9f45-84a8a096817d/sv-benchmarks/c/eca-rers2012/Problem03_label46.c[59207,59220] [2023-11-29 04:06:37,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:06:37,915 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:06:38,181 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_98061543-692f-4389-9f45-84a8a096817d/sv-benchmarks/c/eca-rers2012/Problem03_label46.c[59207,59220] [2023-11-29 04:06:38,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:06:38,217 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:06:38,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38 WrapperNode [2023-11-29 04:06:38,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:06:38,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:06:38,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:06:38,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:06:38,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,357 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1772 [2023-11-29 04:06:38,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:06:38,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:06:38,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:06:38,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:06:38,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,382 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,416 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:06:38,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:06:38,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:06:38,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:06:38,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:06:38,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (1/1) ... [2023-11-29 04:06:38,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:06:38,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:06:38,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:06:38,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:06:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:06:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:06:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:06:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:06:38,660 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:06:38,662 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:06:40,325 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:06:40,378 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:06:40,379 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:06:40,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:06:40 BoogieIcfgContainer [2023-11-29 04:06:40,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:06:40,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:06:40,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:06:40,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:06:40,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:06:37" (1/3) ... [2023-11-29 04:06:40,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d51743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:06:40, skipping insertion in model container [2023-11-29 04:06:40,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:38" (2/3) ... [2023-11-29 04:06:40,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d51743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:06:40, skipping insertion in model container [2023-11-29 04:06:40,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:06:40" (3/3) ... [2023-11-29 04:06:40,388 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label46.c [2023-11-29 04:06:40,406 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:06:40,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:06:40,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:06:40,468 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;@76184ab1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:06:40,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:06:40,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 240 states, 238 states have (on average 1.9201680672268908) internal successors, (457), 239 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-29 04:06:40,491 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:40,492 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:06:40,492 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:40,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:40,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1664912306, now seen corresponding path program 1 times [2023-11-29 04:06:40,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:40,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185178211] [2023-11-29 04:06:40,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:40,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:40,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:06:40,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:40,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185178211] [2023-11-29 04:06:40,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185178211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:40,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:40,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:06:40,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992202301] [2023-11-29 04:06:40,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:40,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:06:40,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:41,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:06:41,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:06:41,029 INFO L87 Difference]: Start difference. First operand has 240 states, 238 states have (on average 1.9201680672268908) internal successors, (457), 239 states have internal predecessors, (457), 0 states have call successors, (0), 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 92.0) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:41,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:41,078 INFO L93 Difference]: Finished difference Result 479 states and 913 transitions. [2023-11-29 04:06:41,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:06:41,080 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 92.0) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2023-11-29 04:06:41,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:41,090 INFO L225 Difference]: With dead ends: 479 [2023-11-29 04:06:41,090 INFO L226 Difference]: Without dead ends: 238 [2023-11-29 04:06:41,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:06:41,096 INFO L413 NwaCegarLoop]: 392 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, 392 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:41,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 392 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:06:41,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-29 04:06:41,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2023-11-29 04:06:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.6540084388185654) internal successors, (392), 237 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:41,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 392 transitions. [2023-11-29 04:06:41,140 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 392 transitions. Word has length 184 [2023-11-29 04:06:41,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:41,141 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 392 transitions. [2023-11-29 04:06:41,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 92.0) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 392 transitions. [2023-11-29 04:06:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-29 04:06:41,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:41,146 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:06:41,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:06:41,147 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:41,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:41,148 INFO L85 PathProgramCache]: Analyzing trace with hash 155521533, now seen corresponding path program 1 times [2023-11-29 04:06:41,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:41,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502762655] [2023-11-29 04:06:41,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:41,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:06:41,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:41,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502762655] [2023-11-29 04:06:41,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502762655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:41,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:41,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:06:41,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500915644] [2023-11-29 04:06:41,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:41,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:06:41,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:41,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:06:41,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:41,793 INFO L87 Difference]: Start difference. First operand 238 states and 392 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:42,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:42,819 INFO L93 Difference]: Finished difference Result 692 states and 1147 transitions. [2023-11-29 04:06:42,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:06:42,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2023-11-29 04:06:42,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:42,825 INFO L225 Difference]: With dead ends: 692 [2023-11-29 04:06:42,825 INFO L226 Difference]: Without dead ends: 455 [2023-11-29 04:06:42,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:42,829 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 71 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:42,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 122 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 04:06:42,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2023-11-29 04:06:42,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 450. [2023-11-29 04:06:42,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 449 states have (on average 1.5634743875278396) internal successors, (702), 449 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 702 transitions. [2023-11-29 04:06:42,859 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 702 transitions. Word has length 184 [2023-11-29 04:06:42,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:42,860 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 702 transitions. [2023-11-29 04:06:42,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:42,861 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 702 transitions. [2023-11-29 04:06:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 04:06:42,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:42,867 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:06:42,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:06:42,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:42,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:42,868 INFO L85 PathProgramCache]: Analyzing trace with hash -583890257, now seen corresponding path program 1 times [2023-11-29 04:06:42,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:42,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165644540] [2023-11-29 04:06:42,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:42,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:06:43,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:43,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165644540] [2023-11-29 04:06:43,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165644540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:43,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:43,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:06:43,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631747468] [2023-11-29 04:06:43,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:43,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:06:43,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:43,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:06:43,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:43,198 INFO L87 Difference]: Start difference. First operand 450 states and 702 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:44,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:44,070 INFO L93 Difference]: Finished difference Result 1339 states and 2093 transitions. [2023-11-29 04:06:44,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:06:44,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 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 190 [2023-11-29 04:06:44,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:44,075 INFO L225 Difference]: With dead ends: 1339 [2023-11-29 04:06:44,075 INFO L226 Difference]: Without dead ends: 890 [2023-11-29 04:06:44,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:44,079 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 285 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:44,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 152 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:06:44,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2023-11-29 04:06:44,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 886. [2023-11-29 04:06:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 885 states have (on average 1.5480225988700564) internal successors, (1370), 885 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:44,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1370 transitions. [2023-11-29 04:06:44,110 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1370 transitions. Word has length 190 [2023-11-29 04:06:44,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:44,111 INFO L495 AbstractCegarLoop]: Abstraction has 886 states and 1370 transitions. [2023-11-29 04:06:44,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:44,111 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1370 transitions. [2023-11-29 04:06:44,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 04:06:44,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:44,115 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:06:44,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:06:44,116 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:44,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:44,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1779133725, now seen corresponding path program 1 times [2023-11-29 04:06:44,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:44,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772250916] [2023-11-29 04:06:44,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:44,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:06:44,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:44,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772250916] [2023-11-29 04:06:44,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772250916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:44,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:44,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:06:44,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851662923] [2023-11-29 04:06:44,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:44,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:06:44,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:44,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:06:44,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:44,423 INFO L87 Difference]: Start difference. First operand 886 states and 1370 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:45,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:45,350 INFO L93 Difference]: Finished difference Result 2611 states and 4041 transitions. [2023-11-29 04:06:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:06:45,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 0 states have call successors, (0), 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 194 [2023-11-29 04:06:45,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:45,358 INFO L225 Difference]: With dead ends: 2611 [2023-11-29 04:06:45,358 INFO L226 Difference]: Without dead ends: 1726 [2023-11-29 04:06:45,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:45,360 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 234 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:45,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 112 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:06:45,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2023-11-29 04:06:45,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1724. [2023-11-29 04:06:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1723 states have (on average 1.4718514219384793) internal successors, (2536), 1723 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2536 transitions. [2023-11-29 04:06:45,395 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2536 transitions. Word has length 194 [2023-11-29 04:06:45,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:45,395 INFO L495 AbstractCegarLoop]: Abstraction has 1724 states and 2536 transitions. [2023-11-29 04:06:45,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2536 transitions. [2023-11-29 04:06:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-29 04:06:45,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:45,400 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:06:45,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:06:45,400 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:45,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:45,401 INFO L85 PathProgramCache]: Analyzing trace with hash 654170656, now seen corresponding path program 1 times [2023-11-29 04:06:45,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:45,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331338595] [2023-11-29 04:06:45,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:45,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:06:45,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:45,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331338595] [2023-11-29 04:06:45,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331338595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:45,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:45,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:06:45,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766874143] [2023-11-29 04:06:45,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:45,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:06:45,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:45,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:06:45,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:45,528 INFO L87 Difference]: Start difference. First operand 1724 states and 2536 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:46,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:46,418 INFO L93 Difference]: Finished difference Result 5090 states and 7489 transitions. [2023-11-29 04:06:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:06:46,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 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 197 [2023-11-29 04:06:46,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:46,432 INFO L225 Difference]: With dead ends: 5090 [2023-11-29 04:06:46,432 INFO L226 Difference]: Without dead ends: 3367 [2023-11-29 04:06:46,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:46,435 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 249 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:46,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 155 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:06:46,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2023-11-29 04:06:46,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 3365. [2023-11-29 04:06:46,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3365 states, 3364 states have (on average 1.4051724137931034) internal successors, (4727), 3364 states have internal predecessors, (4727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3365 states to 3365 states and 4727 transitions. [2023-11-29 04:06:46,498 INFO L78 Accepts]: Start accepts. Automaton has 3365 states and 4727 transitions. Word has length 197 [2023-11-29 04:06:46,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:46,498 INFO L495 AbstractCegarLoop]: Abstraction has 3365 states and 4727 transitions. [2023-11-29 04:06:46,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:46,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3365 states and 4727 transitions. [2023-11-29 04:06:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 04:06:46,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:46,505 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:06:46,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:06:46,506 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:46,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:46,506 INFO L85 PathProgramCache]: Analyzing trace with hash 664846998, now seen corresponding path program 1 times [2023-11-29 04:06:46,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:46,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283226407] [2023-11-29 04:06:46,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:46,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-29 04:06:46,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:46,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283226407] [2023-11-29 04:06:46,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283226407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:46,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:46,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:06:46,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208860214] [2023-11-29 04:06:46,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:46,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:06:46,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:46,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:06:46,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:46,723 INFO L87 Difference]: Start difference. First operand 3365 states and 4727 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:47,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:47,642 INFO L93 Difference]: Finished difference Result 9998 states and 14054 transitions. [2023-11-29 04:06:47,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:06:47,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2023-11-29 04:06:47,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:47,677 INFO L225 Difference]: With dead ends: 9998 [2023-11-29 04:06:47,677 INFO L226 Difference]: Without dead ends: 6634 [2023-11-29 04:06:47,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:47,683 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 235 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:47,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 131 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:06:47,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6634 states. [2023-11-29 04:06:47,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6634 to 6625. [2023-11-29 04:06:47,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6625 states, 6624 states have (on average 1.3543176328502415) internal successors, (8971), 6624 states have internal predecessors, (8971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6625 states to 6625 states and 8971 transitions. [2023-11-29 04:06:47,838 INFO L78 Accepts]: Start accepts. Automaton has 6625 states and 8971 transitions. Word has length 217 [2023-11-29 04:06:47,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:47,839 INFO L495 AbstractCegarLoop]: Abstraction has 6625 states and 8971 transitions. [2023-11-29 04:06:47,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 6625 states and 8971 transitions. [2023-11-29 04:06:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-29 04:06:47,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:47,855 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:06:47,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:06:47,855 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:47,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:47,856 INFO L85 PathProgramCache]: Analyzing trace with hash -577331072, now seen corresponding path program 1 times [2023-11-29 04:06:47,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:47,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727827955] [2023-11-29 04:06:47,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:47,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-29 04:06:48,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:48,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727827955] [2023-11-29 04:06:48,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727827955] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:06:48,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605958507] [2023-11-29 04:06:48,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:48,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:06:48,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:06:48,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:06:48,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:06:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:48,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:06:48,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:06:48,517 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-29 04:06:48,517 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:06:48,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605958507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:48,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:06:48,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-11-29 04:06:48,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909431280] [2023-11-29 04:06:48,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:48,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:06:48,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:48,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:06:48,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:06:48,521 INFO L87 Difference]: Start difference. First operand 6625 states and 8971 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:49,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:49,306 INFO L93 Difference]: Finished difference Result 18143 states and 24588 transitions. [2023-11-29 04:06:49,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:06:49,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 222 [2023-11-29 04:06:49,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:49,349 INFO L225 Difference]: With dead ends: 18143 [2023-11-29 04:06:49,349 INFO L226 Difference]: Without dead ends: 11519 [2023-11-29 04:06:49,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:06:49,356 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 241 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:49,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 158 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:06:49,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11519 states. [2023-11-29 04:06:49,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11519 to 11513. [2023-11-29 04:06:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11513 states, 11512 states have (on average 1.3214037526059763) internal successors, (15212), 11512 states have internal predecessors, (15212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:49,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11513 states to 11513 states and 15212 transitions. [2023-11-29 04:06:49,596 INFO L78 Accepts]: Start accepts. Automaton has 11513 states and 15212 transitions. Word has length 222 [2023-11-29 04:06:49,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:49,597 INFO L495 AbstractCegarLoop]: Abstraction has 11513 states and 15212 transitions. [2023-11-29 04:06:49,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 11513 states and 15212 transitions. [2023-11-29 04:06:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-29 04:06:49,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:49,621 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:06:49,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:06:49,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:06:49,822 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:49,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:49,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1205022229, now seen corresponding path program 1 times [2023-11-29 04:06:49,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:49,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715853971] [2023-11-29 04:06:49,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:49,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 04:06:50,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:50,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715853971] [2023-11-29 04:06:50,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715853971] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:06:50,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817314431] [2023-11-29 04:06:50,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:50,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:06:50,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:06:50,276 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:06:50,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:06:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:50,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:06:50,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:06:50,683 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 04:06:50,683 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:06:50,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817314431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:50,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:06:50,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-11-29 04:06:50,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726042291] [2023-11-29 04:06:50,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:50,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:06:50,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:50,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:06:50,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:06:50,686 INFO L87 Difference]: Start difference. First operand 11513 states and 15212 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:51,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:51,579 INFO L93 Difference]: Finished difference Result 32773 states and 43304 transitions. [2023-11-29 04:06:51,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:06:51,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2023-11-29 04:06:51,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:51,630 INFO L225 Difference]: With dead ends: 32773 [2023-11-29 04:06:51,630 INFO L226 Difference]: Without dead ends: 21261 [2023-11-29 04:06:51,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:06:51,644 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 53 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:51,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 411 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:06:51,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21261 states. [2023-11-29 04:06:51,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21261 to 20445. [2023-11-29 04:06:51,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20445 states, 20444 states have (on average 1.2079827822343965) internal successors, (24696), 20444 states have internal predecessors, (24696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20445 states to 20445 states and 24696 transitions. [2023-11-29 04:06:51,996 INFO L78 Accepts]: Start accepts. Automaton has 20445 states and 24696 transitions. Word has length 228 [2023-11-29 04:06:51,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:51,997 INFO L495 AbstractCegarLoop]: Abstraction has 20445 states and 24696 transitions. [2023-11-29 04:06:51,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:51,998 INFO L276 IsEmpty]: Start isEmpty. Operand 20445 states and 24696 transitions. [2023-11-29 04:06:52,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-11-29 04:06:52,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:52,028 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 04:06:52,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:06:52,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 04:06:52,232 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:52,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:52,233 INFO L85 PathProgramCache]: Analyzing trace with hash -873631103, now seen corresponding path program 1 times [2023-11-29 04:06:52,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:52,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798864934] [2023-11-29 04:06:52,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:52,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 04:06:52,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:52,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798864934] [2023-11-29 04:06:52,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798864934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:52,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:52,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:06:52,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599862124] [2023-11-29 04:06:52,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:52,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:06:52,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:52,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:06:52,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:52,445 INFO L87 Difference]: Start difference. First operand 20445 states and 24696 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:52,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:52,972 INFO L93 Difference]: Finished difference Result 38999 states and 46952 transitions. [2023-11-29 04:06:52,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:06:52,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 245 [2023-11-29 04:06:52,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:53,003 INFO L225 Difference]: With dead ends: 38999 [2023-11-29 04:06:53,003 INFO L226 Difference]: Without dead ends: 19773 [2023-11-29 04:06:53,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:53,020 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 328 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:53,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 29 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 04:06:53,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19773 states. [2023-11-29 04:06:53,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19773 to 19367. [2023-11-29 04:06:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19367 states, 19366 states have (on average 1.1889910151812455) internal successors, (23026), 19366 states have internal predecessors, (23026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:53,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19367 states to 19367 states and 23026 transitions. [2023-11-29 04:06:53,355 INFO L78 Accepts]: Start accepts. Automaton has 19367 states and 23026 transitions. Word has length 245 [2023-11-29 04:06:53,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:53,355 INFO L495 AbstractCegarLoop]: Abstraction has 19367 states and 23026 transitions. [2023-11-29 04:06:53,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:53,355 INFO L276 IsEmpty]: Start isEmpty. Operand 19367 states and 23026 transitions. [2023-11-29 04:06:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-11-29 04:06:53,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:53,384 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, 2, 2, 2, 2, 2, 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] [2023-11-29 04:06:53,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:06:53,385 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:53,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:53,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1840332313, now seen corresponding path program 1 times [2023-11-29 04:06:53,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:53,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268185594] [2023-11-29 04:06:53,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:53,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:06:53,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:53,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268185594] [2023-11-29 04:06:53,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268185594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:53,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:53,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:06:53,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502913678] [2023-11-29 04:06:53,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:53,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:06:53,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:53,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:06:53,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:53,706 INFO L87 Difference]: Start difference. First operand 19367 states and 23026 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:54,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:54,494 INFO L93 Difference]: Finished difference Result 44417 states and 53606 transitions. [2023-11-29 04:06:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:06:54,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 274 [2023-11-29 04:06:54,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:54,521 INFO L225 Difference]: With dead ends: 44417 [2023-11-29 04:06:54,521 INFO L226 Difference]: Without dead ends: 25051 [2023-11-29 04:06:54,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:54,542 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 127 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:54,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 148 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:06:54,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25051 states. [2023-11-29 04:06:54,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25051 to 23833. [2023-11-29 04:06:54,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23833 states, 23832 states have (on average 1.1649462907015777) internal successors, (27763), 23832 states have internal predecessors, (27763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23833 states to 23833 states and 27763 transitions. [2023-11-29 04:06:54,923 INFO L78 Accepts]: Start accepts. Automaton has 23833 states and 27763 transitions. Word has length 274 [2023-11-29 04:06:54,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:54,924 INFO L495 AbstractCegarLoop]: Abstraction has 23833 states and 27763 transitions. [2023-11-29 04:06:54,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 23833 states and 27763 transitions. [2023-11-29 04:06:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2023-11-29 04:06:54,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:54,941 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:06:54,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:06:54,941 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:54,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:54,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1710657675, now seen corresponding path program 1 times [2023-11-29 04:06:54,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:54,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864805605] [2023-11-29 04:06:54,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:54,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-29 04:06:55,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:55,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864805605] [2023-11-29 04:06:55,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864805605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:55,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:55,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:06:55,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207762363] [2023-11-29 04:06:55,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:55,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:06:55,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:55,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:06:55,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:55,281 INFO L87 Difference]: Start difference. First operand 23833 states and 27763 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 2 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:56,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:56,129 INFO L93 Difference]: Finished difference Result 60698 states and 70898 transitions. [2023-11-29 04:06:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:06:56,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 2 states have internal predecessors, (263), 0 states have call successors, (0), 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 320 [2023-11-29 04:06:56,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:56,155 INFO L225 Difference]: With dead ends: 60698 [2023-11-29 04:06:56,155 INFO L226 Difference]: Without dead ends: 36866 [2023-11-29 04:06:56,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:06:56,165 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 160 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:56,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 153 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:06:56,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36866 states. [2023-11-29 04:06:56,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36866 to 32984. [2023-11-29 04:06:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32984 states, 32983 states have (on average 1.179637995330928) internal successors, (38908), 32983 states have internal predecessors, (38908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32984 states to 32984 states and 38908 transitions. [2023-11-29 04:06:56,541 INFO L78 Accepts]: Start accepts. Automaton has 32984 states and 38908 transitions. Word has length 320 [2023-11-29 04:06:56,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:56,541 INFO L495 AbstractCegarLoop]: Abstraction has 32984 states and 38908 transitions. [2023-11-29 04:06:56,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 2 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 32984 states and 38908 transitions. [2023-11-29 04:06:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-11-29 04:06:56,564 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:56,564 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 04:06:56,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:06:56,564 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:56,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:56,565 INFO L85 PathProgramCache]: Analyzing trace with hash 866799157, now seen corresponding path program 1 times [2023-11-29 04:06:56,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:56,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914848888] [2023-11-29 04:06:56,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:56,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 154 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:06:57,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:57,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914848888] [2023-11-29 04:06:57,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914848888] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:06:57,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961420094] [2023-11-29 04:06:57,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:57,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:06:57,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:06:57,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:06:57,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:06:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:57,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:06:57,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:06:57,643 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 04:06:57,644 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:06:57,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961420094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:57,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:06:57,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 04:06:57,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045340537] [2023-11-29 04:06:57,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:57,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:06:57,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:57,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:06:57,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:06:57,646 INFO L87 Difference]: Start difference. First operand 32984 states and 38908 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:58,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:58,421 INFO L93 Difference]: Finished difference Result 65563 states and 77356 transitions. [2023-11-29 04:06:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:06:58,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 337 [2023-11-29 04:06:58,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:58,455 INFO L225 Difference]: With dead ends: 65563 [2023-11-29 04:06:58,455 INFO L226 Difference]: Without dead ends: 32580 [2023-11-29 04:06:58,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:06:58,470 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 77 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:58,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 287 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:06:58,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32580 states. [2023-11-29 04:06:58,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32580 to 29734. [2023-11-29 04:06:58,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29734 states, 29733 states have (on average 1.1529613560690142) internal successors, (34281), 29733 states have internal predecessors, (34281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29734 states to 29734 states and 34281 transitions. [2023-11-29 04:06:58,857 INFO L78 Accepts]: Start accepts. Automaton has 29734 states and 34281 transitions. Word has length 337 [2023-11-29 04:06:58,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:58,857 INFO L495 AbstractCegarLoop]: Abstraction has 29734 states and 34281 transitions. [2023-11-29 04:06:58,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:06:58,858 INFO L276 IsEmpty]: Start isEmpty. Operand 29734 states and 34281 transitions. [2023-11-29 04:06:58,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2023-11-29 04:06:58,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:58,882 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:06:58,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 04:06:59,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 04:06:59,083 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:06:59,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:59,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1044344830, now seen corresponding path program 1 times [2023-11-29 04:06:59,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:59,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260956637] [2023-11-29 04:06:59,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:59,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-29 04:06:59,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:59,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260956637] [2023-11-29 04:06:59,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260956637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:59,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:59,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:06:59,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377195170] [2023-11-29 04:06:59,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:59,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:06:59,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:59,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:06:59,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:06:59,565 INFO L87 Difference]: Start difference. First operand 29734 states and 34281 transitions. Second operand has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:00,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:00,914 INFO L93 Difference]: Finished difference Result 78163 states and 90066 transitions. [2023-11-29 04:07:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:07:00,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 343 [2023-11-29 04:07:00,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:00,958 INFO L225 Difference]: With dead ends: 78163 [2023-11-29 04:07:00,958 INFO L226 Difference]: Without dead ends: 48430 [2023-11-29 04:07:00,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:07:00,977 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 363 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:00,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 84 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 04:07:01,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48430 states. [2023-11-29 04:07:01,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48430 to 48009. [2023-11-29 04:07:01,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48009 states, 48008 states have (on average 1.133436093984336) internal successors, (54414), 48008 states have internal predecessors, (54414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48009 states to 48009 states and 54414 transitions. [2023-11-29 04:07:01,700 INFO L78 Accepts]: Start accepts. Automaton has 48009 states and 54414 transitions. Word has length 343 [2023-11-29 04:07:01,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:01,701 INFO L495 AbstractCegarLoop]: Abstraction has 48009 states and 54414 transitions. [2023-11-29 04:07:01,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 48009 states and 54414 transitions. [2023-11-29 04:07:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2023-11-29 04:07:01,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:07:01,731 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2023-11-29 04:07:01,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:07:01,731 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:07:01,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:01,731 INFO L85 PathProgramCache]: Analyzing trace with hash 309229637, now seen corresponding path program 1 times [2023-11-29 04:07:01,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:01,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691914587] [2023-11-29 04:07:01,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:01,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-11-29 04:07:02,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:02,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691914587] [2023-11-29 04:07:02,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691914587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:07:02,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:07:02,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:07:02,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176089954] [2023-11-29 04:07:02,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:02,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:07:02,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:02,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:07:02,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:07:02,078 INFO L87 Difference]: Start difference. First operand 48009 states and 54414 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 2 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:02,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:02,760 INFO L93 Difference]: Finished difference Result 142597 states and 161617 transitions. [2023-11-29 04:07:02,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:07:02,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 2 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 433 [2023-11-29 04:07:02,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:02,845 INFO L225 Difference]: With dead ends: 142597 [2023-11-29 04:07:02,845 INFO L226 Difference]: Without dead ends: 94589 [2023-11-29 04:07:02,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:07:02,873 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 211 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:02,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 523 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:07:02,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94589 states. [2023-11-29 04:07:03,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94589 to 86660. [2023-11-29 04:07:03,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86660 states, 86659 states have (on average 1.1375390899964228) internal successors, (98578), 86659 states have internal predecessors, (98578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86660 states to 86660 states and 98578 transitions. [2023-11-29 04:07:04,153 INFO L78 Accepts]: Start accepts. Automaton has 86660 states and 98578 transitions. Word has length 433 [2023-11-29 04:07:04,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:04,154 INFO L495 AbstractCegarLoop]: Abstraction has 86660 states and 98578 transitions. [2023-11-29 04:07:04,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 2 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:04,154 INFO L276 IsEmpty]: Start isEmpty. Operand 86660 states and 98578 transitions. [2023-11-29 04:07:04,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2023-11-29 04:07:04,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:07:04,217 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:07:04,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:07:04,218 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:07:04,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:04,218 INFO L85 PathProgramCache]: Analyzing trace with hash 2114730001, now seen corresponding path program 1 times [2023-11-29 04:07:04,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:04,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188218628] [2023-11-29 04:07:04,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:04,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 265 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:07:06,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:06,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188218628] [2023-11-29 04:07:06,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188218628] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:07:06,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093758043] [2023-11-29 04:07:06,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:06,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:07:06,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:07:06,544 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:07:06,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 04:07:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:06,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:07:06,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:07:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2023-11-29 04:07:07,044 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:07:07,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093758043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:07:07,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:07:07,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2023-11-29 04:07:07,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041774350] [2023-11-29 04:07:07,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:07,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:07:07,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:07,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:07:07,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:07:07,046 INFO L87 Difference]: Start difference. First operand 86660 states and 98578 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 2 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:08,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:08,204 INFO L93 Difference]: Finished difference Result 210987 states and 240813 transitions. [2023-11-29 04:07:08,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:07:08,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 2 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 450 [2023-11-29 04:07:08,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:08,341 INFO L225 Difference]: With dead ends: 210987 [2023-11-29 04:07:08,341 INFO L226 Difference]: Without dead ends: 124328 [2023-11-29 04:07:08,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:07:08,510 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 115 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:08,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 101 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:07:08,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124328 states. [2023-11-29 04:07:10,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124328 to 121670. [2023-11-29 04:07:10,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121670 states, 121669 states have (on average 1.129498886322728) internal successors, (137425), 121669 states have internal predecessors, (137425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121670 states to 121670 states and 137425 transitions. [2023-11-29 04:07:10,283 INFO L78 Accepts]: Start accepts. Automaton has 121670 states and 137425 transitions. Word has length 450 [2023-11-29 04:07:10,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:10,284 INFO L495 AbstractCegarLoop]: Abstraction has 121670 states and 137425 transitions. [2023-11-29 04:07:10,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 2 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 121670 states and 137425 transitions. [2023-11-29 04:07:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2023-11-29 04:07:10,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:07:10,351 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:07:10,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 04:07:10,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:07:10,552 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:07:10,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:10,553 INFO L85 PathProgramCache]: Analyzing trace with hash -235653036, now seen corresponding path program 1 times [2023-11-29 04:07:10,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:10,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698234333] [2023-11-29 04:07:10,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:10,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-29 04:07:11,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:11,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698234333] [2023-11-29 04:07:11,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698234333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:07:11,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:07:11,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:07:11,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341583177] [2023-11-29 04:07:11,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:11,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:07:11,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:11,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:07:11,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:07:11,048 INFO L87 Difference]: Start difference. First operand 121670 states and 137425 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:12,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:12,307 INFO L93 Difference]: Finished difference Result 347401 states and 392642 transitions. [2023-11-29 04:07:12,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:07:12,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 474 [2023-11-29 04:07:12,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:12,600 INFO L225 Difference]: With dead ends: 347401 [2023-11-29 04:07:12,600 INFO L226 Difference]: Without dead ends: 225732 [2023-11-29 04:07:12,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:07:12,654 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 203 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:12,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 474 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:07:12,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225732 states. [2023-11-29 04:07:15,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225732 to 220860. [2023-11-29 04:07:15,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220860 states, 220859 states have (on average 1.1324464930113782) internal successors, (250111), 220859 states have internal predecessors, (250111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:15,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220860 states to 220860 states and 250111 transitions. [2023-11-29 04:07:15,954 INFO L78 Accepts]: Start accepts. Automaton has 220860 states and 250111 transitions. Word has length 474 [2023-11-29 04:07:15,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:15,954 INFO L495 AbstractCegarLoop]: Abstraction has 220860 states and 250111 transitions. [2023-11-29 04:07:15,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 220860 states and 250111 transitions. [2023-11-29 04:07:16,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2023-11-29 04:07:16,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:07:16,116 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-11-29 04:07:16,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:07:16,117 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:07:16,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:16,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1237338340, now seen corresponding path program 1 times [2023-11-29 04:07:16,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:16,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678109093] [2023-11-29 04:07:16,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:16,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 412 proven. 95 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 04:07:18,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:18,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678109093] [2023-11-29 04:07:18,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678109093] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:07:18,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965813480] [2023-11-29 04:07:18,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:18,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:07:18,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:07:18,368 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:07:18,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 04:07:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:18,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:07:18,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:07:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 507 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 04:07:18,829 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:07:18,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965813480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:07:18,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:07:18,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-29 04:07:18,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445563486] [2023-11-29 04:07:18,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:18,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:07:18,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:18,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:07:18,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:07:18,833 INFO L87 Difference]: Start difference. First operand 220860 states and 250111 transitions. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:20,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:20,348 INFO L93 Difference]: Finished difference Result 393731 states and 446039 transitions. [2023-11-29 04:07:20,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:07:20,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 510 [2023-11-29 04:07:20,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:20,547 INFO L225 Difference]: With dead ends: 393731 [2023-11-29 04:07:20,547 INFO L226 Difference]: Without dead ends: 172872 [2023-11-29 04:07:20,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:07:20,844 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 149 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:20,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 324 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:07:20,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172872 states. [2023-11-29 04:07:22,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172872 to 166372. [2023-11-29 04:07:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166372 states, 166371 states have (on average 1.1112513599124847) internal successors, (184880), 166371 states have internal predecessors, (184880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166372 states to 166372 states and 184880 transitions. [2023-11-29 04:07:23,555 INFO L78 Accepts]: Start accepts. Automaton has 166372 states and 184880 transitions. Word has length 510 [2023-11-29 04:07:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:23,555 INFO L495 AbstractCegarLoop]: Abstraction has 166372 states and 184880 transitions. [2023-11-29 04:07:23,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 166372 states and 184880 transitions. [2023-11-29 04:07:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2023-11-29 04:07:23,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:07:23,642 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:07:23,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 04:07:23,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 04:07:23,844 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:07:23,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:23,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1727351875, now seen corresponding path program 1 times [2023-11-29 04:07:23,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:23,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248773715] [2023-11-29 04:07:23,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:23,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 415 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:07:25,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:25,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248773715] [2023-11-29 04:07:25,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248773715] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:07:25,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602359872] [2023-11-29 04:07:25,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:25,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:07:25,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:07:25,864 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:07:25,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 04:07:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:26,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:07:26,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:07:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 559 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-29 04:07:26,304 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:07:26,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602359872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:07:26,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:07:26,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-29 04:07:26,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785811901] [2023-11-29 04:07:26,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:26,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:07:26,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:26,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:07:26,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:07:26,307 INFO L87 Difference]: Start difference. First operand 166372 states and 184880 transitions. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:27,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:27,680 INFO L93 Difference]: Finished difference Result 362031 states and 403394 transitions. [2023-11-29 04:07:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:07:27,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 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 530 [2023-11-29 04:07:27,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:27,681 INFO L225 Difference]: With dead ends: 362031 [2023-11-29 04:07:27,681 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:07:27,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:07:27,756 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 106 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:27,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 351 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:07:27,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:07:27,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:07:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:07:27,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 530 [2023-11-29 04:07:27,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:27,757 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:07:27,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:07:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:07:27,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:07:27,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:07:27,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 04:07:27,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 04:07:27,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:08:19,432 WARN L293 SmtUtils]: Spent 51.46s on a formula simplification. DAG size of input: 1190 DAG size of output: 1135 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 04:08:35,607 WARN L293 SmtUtils]: Spent 16.16s on a formula simplification. DAG size of input: 1135 DAG size of output: 54 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 04:08:35,611 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,611 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,611 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,611 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,611 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,611 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,612 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,612 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,612 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,612 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,612 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,612 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,612 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2023-11-29 04:08:35,612 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2023-11-29 04:08:35,612 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,612 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,613 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,613 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,613 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,613 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,613 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,613 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,613 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,613 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,613 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,613 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,614 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,614 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,614 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,614 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,614 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,614 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2023-11-29 04:08:35,614 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2023-11-29 04:08:35,614 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,614 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,614 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,615 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,615 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,615 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,615 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,615 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,615 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,615 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,615 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,615 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,615 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2023-11-29 04:08:35,616 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2023-11-29 04:08:35,616 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,616 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,616 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,616 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,616 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,616 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,616 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,616 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,616 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,617 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,617 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,617 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,617 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,617 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,617 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,617 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,617 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,617 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,617 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,618 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,618 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,618 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,618 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,618 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,618 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,618 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2023-11-29 04:08:35,618 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,618 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2023-11-29 04:08:35,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:08:35,619 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,619 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,619 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2023-11-29 04:08:35,619 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2023-11-29 04:08:35,619 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,619 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,619 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,619 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,619 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,620 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,620 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,620 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2023-11-29 04:08:35,620 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2023-11-29 04:08:35,620 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,620 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,620 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,620 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,620 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,620 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,621 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,621 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,621 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,621 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,621 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,621 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,621 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,621 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,621 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,622 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,622 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,622 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,622 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1600) no Hoare annotation was computed. [2023-11-29 04:08:35,622 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2023-11-29 04:08:35,622 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2023-11-29 04:08:35,622 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,622 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,623 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,623 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,623 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,623 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,623 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,623 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,623 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,623 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,623 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,624 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2023-11-29 04:08:35,624 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2023-11-29 04:08:35,624 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,624 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,624 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,624 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2023-11-29 04:08:35,624 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,624 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2023-11-29 04:08:35,624 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,625 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2023-11-29 04:08:35,625 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,625 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,625 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2023-11-29 04:08:35,625 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2023-11-29 04:08:35,625 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2023-11-29 04:08:35,625 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2023-11-29 04:08:35,625 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,625 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,625 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,626 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,626 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,626 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,626 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,626 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,626 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,626 INFO L899 garLoopResultBuilder]: For program point L1662(lines 1662 1679) no Hoare annotation was computed. [2023-11-29 04:08:35,626 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,626 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,626 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,627 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,627 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,627 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,627 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,627 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,627 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,627 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,627 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,627 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,628 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,628 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,628 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,628 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2023-11-29 04:08:35,628 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,628 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,628 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2023-11-29 04:08:35,628 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2023-11-29 04:08:35,628 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,629 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse8 (= ~a3~0 1)) (.cse9 (not (= ~a11~0 1))) (.cse12 (<= ~a7~0 0)) (.cse10 (= ~a4~0 1)) (.cse5 (<= ~a12~0 0)) (.cse11 (<= ~a6~0 0)) (.cse0 (= ~a26~0 1)) (.cse4 (<= 2 ~a3~0)) (.cse1 (= ~a5~0 1)) (.cse2 (= ~a12~0 1)) (.cse7 (<= ~a3~0 0)) (.cse3 (= ~a6~0 1)) (.cse6 (= ~a27~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse6) (and .cse1 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse5 .cse11) (and .cse1 .cse9 .cse11) (and (= ~a25~0 1) .cse1 .cse2 .cse8 .cse3) (and .cse0 .cse1 .cse2 .cse10 .cse11) (and .cse0 .cse1 .cse7 .cse5 .cse11) (and .cse0 .cse1 .cse2 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse3) (and .cse1 .cse6 .cse9) (and .cse0 .cse1 .cse9) (and .cse1 .cse6 .cse11) (and .cse12 .cse1 .cse9) (and .cse1 .cse4 .cse9) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse4 .cse11) (and .cse12 .cse1 .cse2 .cse4 .cse3 .cse10 .cse6) (and .cse0 .cse1 .cse4 .cse3) (and .cse1 .cse7 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse5) (and .cse1 .cse4 .cse5 .cse11) (and .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse1 .cse2 .cse7 .cse3 .cse6))) [2023-11-29 04:08:35,629 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,629 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,629 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,629 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,630 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,630 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,630 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,630 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,630 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,630 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,630 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,630 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,630 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2023-11-29 04:08:35,631 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2023-11-29 04:08:35,631 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,631 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,631 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,631 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2023-11-29 04:08:35,631 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,631 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,631 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,631 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,631 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,632 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2023-11-29 04:08:35,632 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,632 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,632 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,632 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,632 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,632 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,632 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,632 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,632 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,633 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2023-11-29 04:08:35,633 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2023-11-29 04:08:35,633 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,633 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,633 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,633 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,633 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,633 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,633 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,634 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,634 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,634 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,634 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,634 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,634 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,634 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:08:35,634 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,634 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,634 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,635 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,635 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,635 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,635 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,635 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2023-11-29 04:08:35,635 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2023-11-29 04:08:35,635 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,635 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,635 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,635 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,636 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,636 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,636 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2023-11-29 04:08:35,636 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2023-11-29 04:08:35,636 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2023-11-29 04:08:35,636 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,636 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,636 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2023-11-29 04:08:35,640 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:08:35,642 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:08:35,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:08:35 BoogieIcfgContainer [2023-11-29 04:08:35,661 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:08:35,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:08:35,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:08:35,661 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:08:35,662 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:06:40" (3/4) ... [2023-11-29 04:08:35,664 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:08:35,696 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 04:08:35,700 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 04:08:35,703 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:08:35,707 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:08:35,912 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:08:35,913 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:08:35,913 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:08:35,914 INFO L158 Benchmark]: Toolchain (without parser) took 118593.33ms. Allocated memory was 138.4MB in the beginning and 12.4GB in the end (delta: 12.2GB). Free memory was 93.0MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 8.1GB. Max. memory is 16.1GB. [2023-11-29 04:08:35,914 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:08:35,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 896.02ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 92.6MB in the beginning and 128.3MB in the end (delta: -35.7MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2023-11-29 04:08:35,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.83ms. Allocated memory is still 186.6MB. Free memory was 128.3MB in the beginning and 113.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 04:08:35,915 INFO L158 Benchmark]: Boogie Preprocessor took 145.54ms. Allocated memory is still 186.6MB. Free memory was 113.6MB in the beginning and 101.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:08:35,915 INFO L158 Benchmark]: RCFGBuilder took 1875.58ms. Allocated memory was 186.6MB in the beginning and 251.7MB in the end (delta: 65.0MB). Free memory was 101.1MB in the beginning and 126.4MB in the end (delta: -25.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-11-29 04:08:35,916 INFO L158 Benchmark]: TraceAbstraction took 115278.99ms. Allocated memory was 251.7MB in the beginning and 12.4GB in the end (delta: 12.1GB). Free memory was 126.4MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 10.0GB. Max. memory is 16.1GB. [2023-11-29 04:08:35,916 INFO L158 Benchmark]: Witness Printer took 251.89ms. Allocated memory is still 12.4GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 04:08:35,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 896.02ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 92.6MB in the beginning and 128.3MB in the end (delta: -35.7MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.83ms. Allocated memory is still 186.6MB. Free memory was 128.3MB in the beginning and 113.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.54ms. Allocated memory is still 186.6MB. Free memory was 113.6MB in the beginning and 101.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1875.58ms. Allocated memory was 186.6MB in the beginning and 251.7MB in the end (delta: 65.0MB). Free memory was 101.1MB in the beginning and 126.4MB in the end (delta: -25.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * TraceAbstraction took 115278.99ms. Allocated memory was 251.7MB in the beginning and 12.4GB in the end (delta: 12.1GB). Free memory was 126.4MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 10.0GB. Max. memory is 16.1GB. * Witness Printer took 251.89ms. Allocated memory is still 12.4GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1600]: 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, 240 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 115.2s, OverallIterations: 18, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 18.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 67.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3207 SdHoareTripleChecker+Valid, 11.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3207 mSDsluCounter, 4107 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 797 mSDsCounter, 1790 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9440 IncrementalHoareTripleChecker+Invalid, 11230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1790 mSolverCounterUnsat, 3310 mSDtfsCounter, 9440 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2324 GetRequests, 2286 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=220860occurred in iteration=16, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 12.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 31576 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 831 NumberOfFragments, 350 HoareAnnotationTreeSize, 1 FomulaSimplifications, 4575 FormulaSimplificationTreeSizeReduction, 51.5s HoareSimplificationTime, 1 FomulaSimplificationsInter, 28015 FormulaSimplificationTreeSizeReductionInter, 16.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 7809 NumberOfCodeBlocks, 7809 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 7785 ConstructedInterpolants, 0 QuantifiedInterpolants, 33266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3730 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 5046/5532 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: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a26 == 1) && (a5 == 1)) && (a12 == 1)) && (a6 == 1)) || (((((a5 == 1) && (2 <= a3)) && (a6 == 1)) && (a12 <= 0)) && (a27 == 1))) || ((((a26 == 1) && (a5 == 1)) && (a3 <= 0)) && (a27 == 1))) || (((a5 == 1) && (a3 == 1)) && !((a11 == 1)))) || (((((a26 == 1) && (a5 == 1)) && (a4 == 1)) && (a12 <= 0)) && (a6 <= 0))) || (((a5 == 1) && !((a11 == 1))) && (a6 <= 0))) || (((((a25 == 1) && (a5 == 1)) && (a12 == 1)) && (a3 == 1)) && (a6 == 1))) || (((((a26 == 1) && (a5 == 1)) && (a12 == 1)) && (a4 == 1)) && (a6 <= 0))) || (((((a26 == 1) && (a5 == 1)) && (a3 <= 0)) && (a12 <= 0)) && (a6 <= 0))) || (((((a26 == 1) && (a5 == 1)) && (a12 == 1)) && (a3 <= 0)) && (a6 <= 0))) || ((((a26 == 1) && (a5 == 1)) && (a3 == 1)) && (a6 == 1))) || (((a5 == 1) && (a27 == 1)) && !((a11 == 1)))) || (((a26 == 1) && (a5 == 1)) && !((a11 == 1)))) || (((a5 == 1) && (a27 == 1)) && (a6 <= 0))) || (((a7 <= 0) && (a5 == 1)) && !((a11 == 1)))) || (((a5 == 1) && (2 <= a3)) && !((a11 == 1)))) || ((((a26 == 1) && (a5 == 1)) && (a12 <= 0)) && (a27 == 1))) || ((((a26 == 1) && (a5 == 1)) && (2 <= a3)) && (a6 <= 0))) || (((((((a7 <= 0) && (a5 == 1)) && (a12 == 1)) && (2 <= a3)) && (a6 == 1)) && (a4 == 1)) && (a27 == 1))) || ((((a26 == 1) && (a5 == 1)) && (2 <= a3)) && (a6 == 1))) || (((((a5 == 1) && (a3 <= 0)) && (a6 == 1)) && (a12 <= 0)) && (a27 == 1))) || (((((a26 == 1) && (a5 == 1)) && (a3 <= 0)) && (a6 == 1)) && (a12 <= 0))) || ((((a5 == 1) && (2 <= a3)) && (a12 <= 0)) && (a6 <= 0))) || (((((a26 == 1) && (a5 == 1)) && (a12 == 1)) && (2 <= a3)) && (a27 == 1))) || (((((a5 == 1) && (a12 == 1)) && (a3 <= 0)) && (a6 == 1)) && (a27 == 1))) RESULT: Ultimate proved your program to be correct! [2023-11-29 04:08:35,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98061543-692f-4389-9f45-84a8a096817d/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