./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_net_1.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_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/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_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/psyco/psyco_net_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/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_56ac4c7e-0685-4384-bf75-6e8ce1433b99/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 de2f4457e683c9057510f44fdcfcada297661f8afdeccfe707ab5df57f434b62 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:45:49,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:45:49,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:45:49,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:45:49,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:45:49,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:45:49,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:45:49,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:45:49,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:45:49,416 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:45:49,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:45:49,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:45:49,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:45:49,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:45:49,418 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:45:49,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:45:49,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:45:49,420 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:45:49,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:45:49,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:45:49,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:45:49,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:45:49,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:45:49,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:45:49,424 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:45:49,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:45:49,425 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:45:49,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:45:49,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:45:49,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:45:49,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:45:49,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:45:49,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:45:49,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:45:49,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:45:49,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:45:49,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:45:49,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:45:49,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:45:49,429 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:45:49,429 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:45:49,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:45:49,429 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_56ac4c7e-0685-4384-bf75-6e8ce1433b99/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de2f4457e683c9057510f44fdcfcada297661f8afdeccfe707ab5df57f434b62 [2023-11-29 01:45:49,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:45:49,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:45:49,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:45:49,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:45:49,689 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:45:49,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/psyco/psyco_net_1.c [2023-11-29 01:45:52,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:45:53,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:45:53,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/sv-benchmarks/c/psyco/psyco_net_1.c [2023-11-29 01:45:53,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/data/5fb28fc5a/912cd0566a5247bd91966e79dd2bda3e/FLAGea9c1fa48 [2023-11-29 01:45:53,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/data/5fb28fc5a/912cd0566a5247bd91966e79dd2bda3e [2023-11-29 01:45:53,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:45:53,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:45:53,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:45:53,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:45:53,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:45:53,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:45:53" (1/1) ... [2023-11-29 01:45:53,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3bf411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:53, skipping insertion in model container [2023-11-29 01:45:53,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:45:53" (1/1) ... [2023-11-29 01:45:53,916 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:45:55,150 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_56ac4c7e-0685-4384-bf75-6e8ce1433b99/sv-benchmarks/c/psyco/psyco_net_1.c[2349407,2349420] [2023-11-29 01:45:55,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:45:55,200 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:45:56,110 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_56ac4c7e-0685-4384-bf75-6e8ce1433b99/sv-benchmarks/c/psyco/psyco_net_1.c[2349407,2349420] [2023-11-29 01:45:56,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:45:56,142 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:45:56,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56 WrapperNode [2023-11-29 01:45:56,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:45:56,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:45:56,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:45:56,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:45:56,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:56,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:56,933 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53158 [2023-11-29 01:45:56,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:45:56,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:45:56,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:45:56,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:45:56,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:56,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:57,116 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:57,292 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 01:45:57,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:57,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:57,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:57,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:57,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:57,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:58,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:45:58,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:45:58,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:45:58,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:45:58,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (1/1) ... [2023-11-29 01:45:58,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:45:58,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:45:58,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:45:58,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:45:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:45:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:45:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:45:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:45:58,656 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:45:58,658 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:46:13,567 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:46:13,741 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:46:13,741 INFO L309 CfgBuilder]: Removed 1130 assume(true) statements. [2023-11-29 01:46:13,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:46:13 BoogieIcfgContainer [2023-11-29 01:46:13,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:46:13,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:46:13,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:46:13,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:46:13,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:45:53" (1/3) ... [2023-11-29 01:46:13,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56344508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:46:13, skipping insertion in model container [2023-11-29 01:46:13,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:56" (2/3) ... [2023-11-29 01:46:13,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56344508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:46:13, skipping insertion in model container [2023-11-29 01:46:13,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:46:13" (3/3) ... [2023-11-29 01:46:13,754 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_net_1.c [2023-11-29 01:46:13,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:46:13,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:46:13,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:46:13,934 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;@54742b31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:46:13,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:46:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 9209 states, 9207 states have (on average 1.9996741609644835) internal successors, (18411), 9208 states have internal predecessors, (18411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:13,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 01:46:13,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:13,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:13,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:13,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:13,974 INFO L85 PathProgramCache]: Analyzing trace with hash 182211473, now seen corresponding path program 1 times [2023-11-29 01:46:13,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:13,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748450839] [2023-11-29 01:46:13,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:13,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:14,221 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 01:46:14,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:14,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748450839] [2023-11-29 01:46:14,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748450839] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:14,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:14,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:46:14,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430501566] [2023-11-29 01:46:14,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:14,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:46:14,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:14,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:46:14,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:46:14,279 INFO L87 Difference]: Start difference. First operand has 9209 states, 9207 states have (on average 1.9996741609644835) internal successors, (18411), 9208 states have internal predecessors, (18411), 0 states have call successors, (0), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:14,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:14,514 INFO L93 Difference]: Finished difference Result 17695 states and 35377 transitions. [2023-11-29 01:46:14,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:46:14,517 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2023-11-29 01:46:14,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:14,577 INFO L225 Difference]: With dead ends: 17695 [2023-11-29 01:46:14,578 INFO L226 Difference]: Without dead ends: 8279 [2023-11-29 01:46:14,594 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 01:46:14,597 INFO L413 NwaCegarLoop]: 14143 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, 14143 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 01:46:14,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14143 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:46:14,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8279 states. [2023-11-29 01:46:14,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8279 to 8279. [2023-11-29 01:46:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8279 states, 8278 states have (on average 1.5699444310219859) internal successors, (12996), 8278 states have internal predecessors, (12996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8279 states to 8279 states and 12996 transitions. [2023-11-29 01:46:14,868 INFO L78 Accepts]: Start accepts. Automaton has 8279 states and 12996 transitions. Word has length 8 [2023-11-29 01:46:14,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:14,868 INFO L495 AbstractCegarLoop]: Abstraction has 8279 states and 12996 transitions. [2023-11-29 01:46:14,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 8279 states and 12996 transitions. [2023-11-29 01:46:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 01:46:14,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:14,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:14,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:46:14,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:14,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:14,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1884649833, now seen corresponding path program 1 times [2023-11-29 01:46:14,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:14,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531392270] [2023-11-29 01:46:14,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:14,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:15,010 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 01:46:15,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:15,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531392270] [2023-11-29 01:46:15,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531392270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:15,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:15,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:46:15,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71085403] [2023-11-29 01:46:15,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:15,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:15,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:15,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:15,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:15,016 INFO L87 Difference]: Start difference. First operand 8279 states and 12996 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:17,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:17,214 INFO L93 Difference]: Finished difference Result 16560 states and 25995 transitions. [2023-11-29 01:46:17,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:17,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2023-11-29 01:46:17,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:17,260 INFO L225 Difference]: With dead ends: 16560 [2023-11-29 01:46:17,260 INFO L226 Difference]: Without dead ends: 8282 [2023-11-29 01:46:17,265 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 01:46:17,267 INFO L413 NwaCegarLoop]: 12994 mSDtfsCounter, 4 mSDsluCounter, 11519 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 24513 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:17,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 24513 Invalid, 1475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 01:46:17,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8282 states. [2023-11-29 01:46:17,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8282 to 8282. [2023-11-29 01:46:17,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8282 states, 8281 states have (on average 1.569737954353339) internal successors, (12999), 8281 states have internal predecessors, (12999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:17,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8282 states to 8282 states and 12999 transitions. [2023-11-29 01:46:17,498 INFO L78 Accepts]: Start accepts. Automaton has 8282 states and 12999 transitions. Word has length 9 [2023-11-29 01:46:17,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:17,498 INFO L495 AbstractCegarLoop]: Abstraction has 8282 states and 12999 transitions. [2023-11-29 01:46:17,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 8282 states and 12999 transitions. [2023-11-29 01:46:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 01:46:17,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:17,500 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:17,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:46:17,501 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:17,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:17,501 INFO L85 PathProgramCache]: Analyzing trace with hash 897026676, now seen corresponding path program 1 times [2023-11-29 01:46:17,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:17,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804593906] [2023-11-29 01:46:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:17,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:17,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:17,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804593906] [2023-11-29 01:46:17,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804593906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:17,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:17,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:17,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964617680] [2023-11-29 01:46:17,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:17,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:17,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:17,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:17,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:17,652 INFO L87 Difference]: Start difference. First operand 8282 states and 12999 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:19,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:19,440 INFO L93 Difference]: Finished difference Result 16568 states and 26004 transitions. [2023-11-29 01:46:19,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:19,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2023-11-29 01:46:19,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:19,476 INFO L225 Difference]: With dead ends: 16568 [2023-11-29 01:46:19,476 INFO L226 Difference]: Without dead ends: 8288 [2023-11-29 01:46:19,484 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 01:46:19,485 INFO L413 NwaCegarLoop]: 12993 mSDtfsCounter, 329 mSDsluCounter, 11196 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 24189 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:19,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 24189 Invalid, 1479 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [36 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 01:46:19,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8288 states. [2023-11-29 01:46:19,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8288 to 8286. [2023-11-29 01:46:19,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8286 states, 8285 states have (on average 1.5694628847314425) internal successors, (13003), 8285 states have internal predecessors, (13003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8286 states to 8286 states and 13003 transitions. [2023-11-29 01:46:19,719 INFO L78 Accepts]: Start accepts. Automaton has 8286 states and 13003 transitions. Word has length 14 [2023-11-29 01:46:19,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:19,719 INFO L495 AbstractCegarLoop]: Abstraction has 8286 states and 13003 transitions. [2023-11-29 01:46:19,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 8286 states and 13003 transitions. [2023-11-29 01:46:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 01:46:19,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:19,721 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:19,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:46:19,721 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:19,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:19,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1409738145, now seen corresponding path program 1 times [2023-11-29 01:46:19,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:19,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37376389] [2023-11-29 01:46:19,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:19,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:19,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:19,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37376389] [2023-11-29 01:46:19,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37376389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:19,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:19,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:19,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112202513] [2023-11-29 01:46:19,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:19,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:19,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:19,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:19,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:19,830 INFO L87 Difference]: Start difference. First operand 8286 states and 13003 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:22,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:22,801 INFO L93 Difference]: Finished difference Result 16490 states and 25884 transitions. [2023-11-29 01:46:22,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:22,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2023-11-29 01:46:22,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:22,824 INFO L225 Difference]: With dead ends: 16490 [2023-11-29 01:46:22,824 INFO L226 Difference]: Without dead ends: 8164 [2023-11-29 01:46:22,836 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 01:46:22,838 INFO L413 NwaCegarLoop]: 9996 mSDtfsCounter, 11116 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2419 mSolverCounterSat, 1749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11116 SdHoareTripleChecker+Valid, 9996 SdHoareTripleChecker+Invalid, 4168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1749 IncrementalHoareTripleChecker+Valid, 2419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:22,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11116 Valid, 9996 Invalid, 4168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1749 Valid, 2419 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 01:46:22,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8164 states. [2023-11-29 01:46:22,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8164 to 8164. [2023-11-29 01:46:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8164 states, 8163 states have (on average 1.516599289476908) internal successors, (12380), 8163 states have internal predecessors, (12380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8164 states to 8164 states and 12380 transitions. [2023-11-29 01:46:23,031 INFO L78 Accepts]: Start accepts. Automaton has 8164 states and 12380 transitions. Word has length 18 [2023-11-29 01:46:23,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:23,031 INFO L495 AbstractCegarLoop]: Abstraction has 8164 states and 12380 transitions. [2023-11-29 01:46:23,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:23,031 INFO L276 IsEmpty]: Start isEmpty. Operand 8164 states and 12380 transitions. [2023-11-29 01:46:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 01:46:23,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:23,033 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:23,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:46:23,033 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:23,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:23,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1096116993, now seen corresponding path program 1 times [2023-11-29 01:46:23,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:23,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994210834] [2023-11-29 01:46:23,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:23,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:23,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:23,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994210834] [2023-11-29 01:46:23,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994210834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:23,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:23,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:23,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605015502] [2023-11-29 01:46:23,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:23,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:23,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:23,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:23,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:23,136 INFO L87 Difference]: Start difference. First operand 8164 states and 12380 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:26,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:26,842 INFO L93 Difference]: Finished difference Result 24488 states and 37136 transitions. [2023-11-29 01:46:26,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:26,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2023-11-29 01:46:26,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:26,867 INFO L225 Difference]: With dead ends: 24488 [2023-11-29 01:46:26,867 INFO L226 Difference]: Without dead ends: 16276 [2023-11-29 01:46:26,873 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 01:46:26,874 INFO L413 NwaCegarLoop]: 10922 mSDtfsCounter, 11045 mSDsluCounter, 10880 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 1427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11045 SdHoareTripleChecker+Valid, 21802 SdHoareTripleChecker+Invalid, 4239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:26,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11045 Valid, 21802 Invalid, 4239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1427 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 01:46:26,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16276 states. [2023-11-29 01:46:27,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16276 to 14962. [2023-11-29 01:46:27,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14962 states, 14961 states have (on average 1.5566472829356326) internal successors, (23289), 14961 states have internal predecessors, (23289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14962 states to 14962 states and 23289 transitions. [2023-11-29 01:46:27,139 INFO L78 Accepts]: Start accepts. Automaton has 14962 states and 23289 transitions. Word has length 22 [2023-11-29 01:46:27,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:27,140 INFO L495 AbstractCegarLoop]: Abstraction has 14962 states and 23289 transitions. [2023-11-29 01:46:27,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand 14962 states and 23289 transitions. [2023-11-29 01:46:27,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 01:46:27,141 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:27,142 INFO L195 NwaCegarLoop]: trace histogram [2, 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 01:46:27,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:46:27,142 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:27,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:27,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1423449426, now seen corresponding path program 1 times [2023-11-29 01:46:27,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:27,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816251249] [2023-11-29 01:46:27,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:27,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:27,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:27,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816251249] [2023-11-29 01:46:27,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816251249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:27,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:27,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:27,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863897316] [2023-11-29 01:46:27,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:27,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:27,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:27,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:27,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:27,287 INFO L87 Difference]: Start difference. First operand 14962 states and 23289 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:32,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:32,471 INFO L93 Difference]: Finished difference Result 37762 states and 58559 transitions. [2023-11-29 01:46:32,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:32,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2023-11-29 01:46:32,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:32,503 INFO L225 Difference]: With dead ends: 37762 [2023-11-29 01:46:32,503 INFO L226 Difference]: Without dead ends: 22520 [2023-11-29 01:46:32,520 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 01:46:32,521 INFO L413 NwaCegarLoop]: 10500 mSDtfsCounter, 10474 mSDsluCounter, 9628 mSDsCounter, 0 mSdLazyCounter, 4456 mSolverCounterSat, 1487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10474 SdHoareTripleChecker+Valid, 20128 SdHoareTripleChecker+Invalid, 5943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1487 IncrementalHoareTripleChecker+Valid, 4456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:32,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10474 Valid, 20128 Invalid, 5943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1487 Valid, 4456 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-29 01:46:32,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22520 states. [2023-11-29 01:46:32,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22520 to 21280. [2023-11-29 01:46:32,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21280 states, 21279 states have (on average 1.5519056346632831) internal successors, (33023), 21279 states have internal predecessors, (33023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:32,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21280 states to 21280 states and 33023 transitions. [2023-11-29 01:46:32,820 INFO L78 Accepts]: Start accepts. Automaton has 21280 states and 33023 transitions. Word has length 24 [2023-11-29 01:46:32,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:32,820 INFO L495 AbstractCegarLoop]: Abstraction has 21280 states and 33023 transitions. [2023-11-29 01:46:32,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:32,820 INFO L276 IsEmpty]: Start isEmpty. Operand 21280 states and 33023 transitions. [2023-11-29 01:46:32,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 01:46:32,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:32,822 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:32,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 01:46:32,822 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:32,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:32,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1092028023, now seen corresponding path program 1 times [2023-11-29 01:46:32,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:32,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662181216] [2023-11-29 01:46:32,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:32,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:32,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:32,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662181216] [2023-11-29 01:46:32,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662181216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:32,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:32,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:32,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210475833] [2023-11-29 01:46:32,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:32,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:32,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:32,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:32,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:32,967 INFO L87 Difference]: Start difference. First operand 21280 states and 33023 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:38,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:38,506 INFO L93 Difference]: Finished difference Result 63806 states and 99005 transitions. [2023-11-29 01:46:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:38,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2023-11-29 01:46:38,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:38,585 INFO L225 Difference]: With dead ends: 63806 [2023-11-29 01:46:38,585 INFO L226 Difference]: Without dead ends: 42528 [2023-11-29 01:46:38,605 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 01:46:38,606 INFO L413 NwaCegarLoop]: 21588 mSDtfsCounter, 11013 mSDsluCounter, 9572 mSDsCounter, 0 mSdLazyCounter, 5598 mSolverCounterSat, 1148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11013 SdHoareTripleChecker+Valid, 31160 SdHoareTripleChecker+Invalid, 6746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1148 IncrementalHoareTripleChecker+Valid, 5598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:38,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11013 Valid, 31160 Invalid, 6746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1148 Valid, 5598 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 01:46:38,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42528 states. [2023-11-29 01:46:39,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42528 to 40444. [2023-11-29 01:46:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40444 states, 40443 states have (on average 1.5746606334841629) internal successors, (63684), 40443 states have internal predecessors, (63684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40444 states to 40444 states and 63684 transitions. [2023-11-29 01:46:39,232 INFO L78 Accepts]: Start accepts. Automaton has 40444 states and 63684 transitions. Word has length 29 [2023-11-29 01:46:39,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:39,232 INFO L495 AbstractCegarLoop]: Abstraction has 40444 states and 63684 transitions. [2023-11-29 01:46:39,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:39,232 INFO L276 IsEmpty]: Start isEmpty. Operand 40444 states and 63684 transitions. [2023-11-29 01:46:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 01:46:39,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:39,234 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:46:39,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 01:46:39,234 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:39,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:39,235 INFO L85 PathProgramCache]: Analyzing trace with hash -197265190, now seen corresponding path program 1 times [2023-11-29 01:46:39,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:39,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67002015] [2023-11-29 01:46:39,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:39,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:39,393 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:46:39,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:39,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67002015] [2023-11-29 01:46:39,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67002015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:39,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:39,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:39,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215387896] [2023-11-29 01:46:39,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:39,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:39,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:39,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:39,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:39,396 INFO L87 Difference]: Start difference. First operand 40444 states and 63684 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:41,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:41,022 INFO L93 Difference]: Finished difference Result 80918 states and 127421 transitions. [2023-11-29 01:46:41,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:41,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 35 [2023-11-29 01:46:41,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:41,094 INFO L225 Difference]: With dead ends: 80918 [2023-11-29 01:46:41,094 INFO L226 Difference]: Without dead ends: 40476 [2023-11-29 01:46:41,121 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 01:46:41,122 INFO L413 NwaCegarLoop]: 12340 mSDtfsCounter, 305 mSDsluCounter, 10698 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 23038 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:41,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 23038 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 01:46:41,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40476 states. [2023-11-29 01:46:41,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40476 to 40474. [2023-11-29 01:46:41,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40474 states, 40473 states have (on average 1.5742346749684974) internal successors, (63714), 40473 states have internal predecessors, (63714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40474 states to 40474 states and 63714 transitions. [2023-11-29 01:46:41,869 INFO L78 Accepts]: Start accepts. Automaton has 40474 states and 63714 transitions. Word has length 35 [2023-11-29 01:46:41,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:41,870 INFO L495 AbstractCegarLoop]: Abstraction has 40474 states and 63714 transitions. [2023-11-29 01:46:41,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:41,870 INFO L276 IsEmpty]: Start isEmpty. Operand 40474 states and 63714 transitions. [2023-11-29 01:46:41,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 01:46:41,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:41,871 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:46:41,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 01:46:41,871 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:41,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:41,872 INFO L85 PathProgramCache]: Analyzing trace with hash -504887773, now seen corresponding path program 1 times [2023-11-29 01:46:41,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:41,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114856631] [2023-11-29 01:46:41,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:41,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:41,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:41,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:41,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114856631] [2023-11-29 01:46:41,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114856631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:41,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:41,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:41,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313590877] [2023-11-29 01:46:41,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:41,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:41,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:41,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:41,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:41,961 INFO L87 Difference]: Start difference. First operand 40474 states and 63714 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:45,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:45,421 INFO L93 Difference]: Finished difference Result 109022 states and 171832 transitions. [2023-11-29 01:46:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:45,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2023-11-29 01:46:45,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:45,526 INFO L225 Difference]: With dead ends: 109022 [2023-11-29 01:46:45,526 INFO L226 Difference]: Without dead ends: 68500 [2023-11-29 01:46:45,556 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 01:46:45,557 INFO L413 NwaCegarLoop]: 10922 mSDtfsCounter, 11029 mSDsluCounter, 10880 mSDsCounter, 0 mSdLazyCounter, 2748 mSolverCounterSat, 1395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11029 SdHoareTripleChecker+Valid, 21802 SdHoareTripleChecker+Invalid, 4143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1395 IncrementalHoareTripleChecker+Valid, 2748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:45,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11029 Valid, 21802 Invalid, 4143 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1395 Valid, 2748 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:46:45,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68500 states. [2023-11-29 01:46:46,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68500 to 66770. [2023-11-29 01:46:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66770 states, 66769 states have (on average 1.585136814988992) internal successors, (105838), 66769 states have internal predecessors, (105838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66770 states to 66770 states and 105838 transitions. [2023-11-29 01:46:46,434 INFO L78 Accepts]: Start accepts. Automaton has 66770 states and 105838 transitions. Word has length 38 [2023-11-29 01:46:46,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:46,435 INFO L495 AbstractCegarLoop]: Abstraction has 66770 states and 105838 transitions. [2023-11-29 01:46:46,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:46,435 INFO L276 IsEmpty]: Start isEmpty. Operand 66770 states and 105838 transitions. [2023-11-29 01:46:46,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 01:46:46,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:46,436 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:46:46,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 01:46:46,437 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:46,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:46,437 INFO L85 PathProgramCache]: Analyzing trace with hash 2095911498, now seen corresponding path program 1 times [2023-11-29 01:46:46,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:46,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913164422] [2023-11-29 01:46:46,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:46,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:46:46,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:46,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913164422] [2023-11-29 01:46:46,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913164422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:46,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:46,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:46,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575899372] [2023-11-29 01:46:46,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:46,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:46,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:46,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:46,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:46,550 INFO L87 Difference]: Start difference. First operand 66770 states and 105838 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:48,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:48,506 INFO L93 Difference]: Finished difference Result 129326 states and 204979 transitions. [2023-11-29 01:46:48,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:48,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 45 [2023-11-29 01:46:48,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:48,583 INFO L225 Difference]: With dead ends: 129326 [2023-11-29 01:46:48,584 INFO L226 Difference]: Without dead ends: 62558 [2023-11-29 01:46:48,605 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 01:46:48,606 INFO L413 NwaCegarLoop]: 12045 mSDtfsCounter, 10323 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10323 SdHoareTripleChecker+Valid, 12595 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1190 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:48,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10323 Valid, 12595 Invalid, 1334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1190 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 01:46:48,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62558 states. [2023-11-29 01:46:49,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62558 to 62556. [2023-11-29 01:46:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62556 states, 62555 states have (on average 1.584237870673807) internal successors, (99102), 62555 states have internal predecessors, (99102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62556 states to 62556 states and 99102 transitions. [2023-11-29 01:46:49,676 INFO L78 Accepts]: Start accepts. Automaton has 62556 states and 99102 transitions. Word has length 45 [2023-11-29 01:46:49,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:49,676 INFO L495 AbstractCegarLoop]: Abstraction has 62556 states and 99102 transitions. [2023-11-29 01:46:49,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 62556 states and 99102 transitions. [2023-11-29 01:46:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 01:46:49,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:49,678 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:46:49,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 01:46:49,678 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:49,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:49,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1850197707, now seen corresponding path program 1 times [2023-11-29 01:46:49,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:49,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950885246] [2023-11-29 01:46:49,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:49,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:49,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:49,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950885246] [2023-11-29 01:46:49,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950885246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:49,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:49,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:46:49,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484418689] [2023-11-29 01:46:49,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:49,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:46:49,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:49,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:46:49,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:46:49,857 INFO L87 Difference]: Start difference. First operand 62556 states and 99102 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:55,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:55,402 INFO L93 Difference]: Finished difference Result 119611 states and 189345 transitions. [2023-11-29 01:46:55,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:46:55,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2023-11-29 01:46:55,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:55,480 INFO L225 Difference]: With dead ends: 119611 [2023-11-29 01:46:55,481 INFO L226 Difference]: Without dead ends: 62790 [2023-11-29 01:46:55,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:46:55,497 INFO L413 NwaCegarLoop]: 9460 mSDtfsCounter, 20520 mSDsluCounter, 9229 mSDsCounter, 0 mSdLazyCounter, 4112 mSolverCounterSat, 2448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20520 SdHoareTripleChecker+Valid, 18689 SdHoareTripleChecker+Invalid, 6560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2448 IncrementalHoareTripleChecker+Valid, 4112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:55,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20520 Valid, 18689 Invalid, 6560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2448 Valid, 4112 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 01:46:55,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62790 states. [2023-11-29 01:46:56,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62790 to 60394. [2023-11-29 01:46:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60394 states, 60393 states have (on average 1.56274733826768) internal successors, (94379), 60393 states have internal predecessors, (94379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60394 states to 60394 states and 94379 transitions. [2023-11-29 01:46:56,387 INFO L78 Accepts]: Start accepts. Automaton has 60394 states and 94379 transitions. Word has length 51 [2023-11-29 01:46:56,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:56,387 INFO L495 AbstractCegarLoop]: Abstraction has 60394 states and 94379 transitions. [2023-11-29 01:46:56,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:56,388 INFO L276 IsEmpty]: Start isEmpty. Operand 60394 states and 94379 transitions. [2023-11-29 01:46:56,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 01:46:56,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:56,389 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:46:56,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 01:46:56,389 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:56,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:56,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1545744311, now seen corresponding path program 1 times [2023-11-29 01:46:56,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:56,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305626683] [2023-11-29 01:46:56,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:56,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:56,499 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:46:56,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:56,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305626683] [2023-11-29 01:46:56,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305626683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:56,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:56,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:56,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862614598] [2023-11-29 01:46:56,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:56,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:56,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:56,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:56,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:56,501 INFO L87 Difference]: Start difference. First operand 60394 states and 94379 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:58,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:58,216 INFO L93 Difference]: Finished difference Result 120431 states and 188192 transitions. [2023-11-29 01:46:58,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:58,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2023-11-29 01:46:58,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:58,294 INFO L225 Difference]: With dead ends: 120431 [2023-11-29 01:46:58,294 INFO L226 Difference]: Without dead ends: 60456 [2023-11-29 01:46:58,326 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 01:46:58,327 INFO L413 NwaCegarLoop]: 11635 mSDtfsCounter, 277 mSDsluCounter, 10273 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 21908 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:58,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 21908 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 01:46:58,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60456 states. [2023-11-29 01:46:59,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60456 to 60454. [2023-11-29 01:46:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60454 states, 60453 states have (on average 1.5621888078341852) internal successors, (94439), 60453 states have internal predecessors, (94439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60454 states to 60454 states and 94439 transitions. [2023-11-29 01:46:59,146 INFO L78 Accepts]: Start accepts. Automaton has 60454 states and 94439 transitions. Word has length 52 [2023-11-29 01:46:59,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:59,146 INFO L495 AbstractCegarLoop]: Abstraction has 60454 states and 94439 transitions. [2023-11-29 01:46:59,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:59,147 INFO L276 IsEmpty]: Start isEmpty. Operand 60454 states and 94439 transitions. [2023-11-29 01:46:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 01:46:59,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:59,148 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:46:59,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 01:46:59,148 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:46:59,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:59,149 INFO L85 PathProgramCache]: Analyzing trace with hash -645596173, now seen corresponding path program 1 times [2023-11-29 01:46:59,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:59,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084341096] [2023-11-29 01:46:59,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:59,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:46:59,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:59,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084341096] [2023-11-29 01:46:59,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084341096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:59,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:59,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:59,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898938248] [2023-11-29 01:46:59,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:59,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:59,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:59,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:59,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:59,264 INFO L87 Difference]: Start difference. First operand 60454 states and 94439 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:03,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:03,001 INFO L93 Difference]: Finished difference Result 110046 states and 171349 transitions. [2023-11-29 01:47:03,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:03,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 57 [2023-11-29 01:47:03,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:03,090 INFO L225 Difference]: With dead ends: 110046 [2023-11-29 01:47:03,090 INFO L226 Difference]: Without dead ends: 61420 [2023-11-29 01:47:03,115 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 01:47:03,116 INFO L413 NwaCegarLoop]: 10157 mSDtfsCounter, 9944 mSDsluCounter, 9401 mSDsCounter, 0 mSdLazyCounter, 2796 mSolverCounterSat, 1080 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9944 SdHoareTripleChecker+Valid, 19558 SdHoareTripleChecker+Invalid, 3876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1080 IncrementalHoareTripleChecker+Valid, 2796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:03,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9944 Valid, 19558 Invalid, 3876 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1080 Valid, 2796 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:47:03,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61420 states. [2023-11-29 01:47:03,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61420 to 60198. [2023-11-29 01:47:03,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60198 states, 60197 states have (on average 1.551821519344818) internal successors, (93415), 60197 states have internal predecessors, (93415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:04,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60198 states to 60198 states and 93415 transitions. [2023-11-29 01:47:04,030 INFO L78 Accepts]: Start accepts. Automaton has 60198 states and 93415 transitions. Word has length 57 [2023-11-29 01:47:04,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:04,031 INFO L495 AbstractCegarLoop]: Abstraction has 60198 states and 93415 transitions. [2023-11-29 01:47:04,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:04,031 INFO L276 IsEmpty]: Start isEmpty. Operand 60198 states and 93415 transitions. [2023-11-29 01:47:04,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 01:47:04,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:04,032 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:04,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 01:47:04,033 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:04,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:04,033 INFO L85 PathProgramCache]: Analyzing trace with hash 2088051592, now seen corresponding path program 1 times [2023-11-29 01:47:04,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:04,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350480755] [2023-11-29 01:47:04,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:04,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:47:04,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:04,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350480755] [2023-11-29 01:47:04,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350480755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:04,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:04,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:04,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882769493] [2023-11-29 01:47:04,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:04,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:04,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:04,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:04,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:04,172 INFO L87 Difference]: Start difference. First operand 60198 states and 93415 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:08,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:08,929 INFO L93 Difference]: Finished difference Result 122229 states and 188540 transitions. [2023-11-29 01:47:08,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:08,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2023-11-29 01:47:08,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:09,020 INFO L225 Difference]: With dead ends: 122229 [2023-11-29 01:47:09,020 INFO L226 Difference]: Without dead ends: 62410 [2023-11-29 01:47:09,055 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 01:47:09,056 INFO L413 NwaCegarLoop]: 10083 mSDtfsCounter, 10224 mSDsluCounter, 9165 mSDsCounter, 0 mSdLazyCounter, 3871 mSolverCounterSat, 846 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10224 SdHoareTripleChecker+Valid, 19248 SdHoareTripleChecker+Invalid, 4717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 846 IncrementalHoareTripleChecker+Valid, 3871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:09,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10224 Valid, 19248 Invalid, 4717 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [846 Valid, 3871 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 01:47:09,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62410 states. [2023-11-29 01:47:09,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62410 to 59892. [2023-11-29 01:47:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59892 states, 59891 states have (on average 1.548279374196457) internal successors, (92728), 59891 states have internal predecessors, (92728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59892 states to 59892 states and 92728 transitions. [2023-11-29 01:47:10,089 INFO L78 Accepts]: Start accepts. Automaton has 59892 states and 92728 transitions. Word has length 63 [2023-11-29 01:47:10,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:10,089 INFO L495 AbstractCegarLoop]: Abstraction has 59892 states and 92728 transitions. [2023-11-29 01:47:10,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:10,089 INFO L276 IsEmpty]: Start isEmpty. Operand 59892 states and 92728 transitions. [2023-11-29 01:47:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 01:47:10,090 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:10,090 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:47:10,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 01:47:10,090 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:10,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:10,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1015894375, now seen corresponding path program 1 times [2023-11-29 01:47:10,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:10,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176999637] [2023-11-29 01:47:10,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:10,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:10,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:47:10,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:10,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176999637] [2023-11-29 01:47:10,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176999637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:10,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:10,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:10,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549580929] [2023-11-29 01:47:10,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:10,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:10,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:10,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:10,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:10,308 INFO L87 Difference]: Start difference. First operand 59892 states and 92728 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:15,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:15,570 INFO L93 Difference]: Finished difference Result 97933 states and 150395 transitions. [2023-11-29 01:47:15,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:15,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2023-11-29 01:47:15,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:15,655 INFO L225 Difference]: With dead ends: 97933 [2023-11-29 01:47:15,655 INFO L226 Difference]: Without dead ends: 72925 [2023-11-29 01:47:15,674 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 01:47:15,674 INFO L413 NwaCegarLoop]: 19378 mSDtfsCounter, 9838 mSDsluCounter, 8887 mSDsCounter, 0 mSdLazyCounter, 5059 mSolverCounterSat, 638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9838 SdHoareTripleChecker+Valid, 28265 SdHoareTripleChecker+Invalid, 5697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 638 IncrementalHoareTripleChecker+Valid, 5059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:15,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9838 Valid, 28265 Invalid, 5697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [638 Valid, 5059 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 01:47:15,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72925 states. [2023-11-29 01:47:16,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72925 to 71075. [2023-11-29 01:47:16,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71075 states, 71074 states have (on average 1.5502574781213947) internal successors, (110183), 71074 states have internal predecessors, (110183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:16,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71075 states to 71075 states and 110183 transitions. [2023-11-29 01:47:16,501 INFO L78 Accepts]: Start accepts. Automaton has 71075 states and 110183 transitions. Word has length 73 [2023-11-29 01:47:16,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:16,501 INFO L495 AbstractCegarLoop]: Abstraction has 71075 states and 110183 transitions. [2023-11-29 01:47:16,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:16,502 INFO L276 IsEmpty]: Start isEmpty. Operand 71075 states and 110183 transitions. [2023-11-29 01:47:16,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-29 01:47:16,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:16,503 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:47:16,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 01:47:16,503 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:16,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:16,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1346282361, now seen corresponding path program 1 times [2023-11-29 01:47:16,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:16,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987763466] [2023-11-29 01:47:16,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:16,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:47:16,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:16,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987763466] [2023-11-29 01:47:16,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987763466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:16,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:16,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:16,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469397808] [2023-11-29 01:47:16,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:16,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:16,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:16,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:16,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:16,619 INFO L87 Difference]: Start difference. First operand 71075 states and 110183 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:18,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:18,222 INFO L93 Difference]: Finished difference Result 138716 states and 215048 transitions. [2023-11-29 01:47:18,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:18,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 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 80 [2023-11-29 01:47:18,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:18,309 INFO L225 Difference]: With dead ends: 138716 [2023-11-29 01:47:18,309 INFO L226 Difference]: Without dead ends: 68432 [2023-11-29 01:47:18,341 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 01:47:18,342 INFO L413 NwaCegarLoop]: 11218 mSDtfsCounter, 9552 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9552 SdHoareTripleChecker+Valid, 12026 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 807 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:18,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9552 Valid, 12026 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [807 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 01:47:18,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68432 states. [2023-11-29 01:47:19,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68432 to 68430. [2023-11-29 01:47:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68430 states, 68429 states have (on average 1.5493431147612855) internal successors, (106020), 68429 states have internal predecessors, (106020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68430 states to 68430 states and 106020 transitions. [2023-11-29 01:47:19,484 INFO L78 Accepts]: Start accepts. Automaton has 68430 states and 106020 transitions. Word has length 80 [2023-11-29 01:47:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:19,484 INFO L495 AbstractCegarLoop]: Abstraction has 68430 states and 106020 transitions. [2023-11-29 01:47:19,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 68430 states and 106020 transitions. [2023-11-29 01:47:19,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 01:47:19,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:19,486 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:47:19,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 01:47:19,486 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:19,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:19,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1309827596, now seen corresponding path program 1 times [2023-11-29 01:47:19,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:19,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564309367] [2023-11-29 01:47:19,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:19,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:47:19,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:19,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564309367] [2023-11-29 01:47:19,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564309367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:19,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:19,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:19,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422172457] [2023-11-29 01:47:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:19,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:19,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:19,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:19,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:19,564 INFO L87 Difference]: Start difference. First operand 68430 states and 106020 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:21,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:21,094 INFO L93 Difference]: Finished difference Result 136167 states and 210969 transitions. [2023-11-29 01:47:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:21,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 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 83 [2023-11-29 01:47:21,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:21,179 INFO L225 Difference]: With dead ends: 136167 [2023-11-29 01:47:21,180 INFO L226 Difference]: Without dead ends: 68528 [2023-11-29 01:47:21,206 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 01:47:21,207 INFO L413 NwaCegarLoop]: 11289 mSDtfsCounter, 276 mSDsluCounter, 10011 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 21300 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:21,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 21300 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 01:47:21,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68528 states. [2023-11-29 01:47:21,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68528 to 68526. [2023-11-29 01:47:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68526 states, 68525 states have (on average 1.5485735133163079) internal successors, (106116), 68525 states have internal predecessors, (106116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68526 states to 68526 states and 106116 transitions. [2023-11-29 01:47:22,032 INFO L78 Accepts]: Start accepts. Automaton has 68526 states and 106116 transitions. Word has length 83 [2023-11-29 01:47:22,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:22,033 INFO L495 AbstractCegarLoop]: Abstraction has 68526 states and 106116 transitions. [2023-11-29 01:47:22,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:22,033 INFO L276 IsEmpty]: Start isEmpty. Operand 68526 states and 106116 transitions. [2023-11-29 01:47:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 01:47:22,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:22,034 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:47:22,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 01:47:22,035 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:22,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:22,035 INFO L85 PathProgramCache]: Analyzing trace with hash -557086491, now seen corresponding path program 1 times [2023-11-29 01:47:22,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:22,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29416302] [2023-11-29 01:47:22,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:22,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:47:22,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:22,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29416302] [2023-11-29 01:47:22,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29416302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:22,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:22,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:47:22,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192692024] [2023-11-29 01:47:22,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:22,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:47:22,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:22,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:47:22,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:47:22,591 INFO L87 Difference]: Start difference. First operand 68526 states and 106116 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:28,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:28,009 INFO L93 Difference]: Finished difference Result 93508 states and 143767 transitions. [2023-11-29 01:47:28,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:47:28,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2023-11-29 01:47:28,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:28,071 INFO L225 Difference]: With dead ends: 93508 [2023-11-29 01:47:28,071 INFO L226 Difference]: Without dead ends: 47079 [2023-11-29 01:47:28,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:47:28,097 INFO L413 NwaCegarLoop]: 8730 mSDtfsCounter, 19176 mSDsluCounter, 8365 mSDsCounter, 0 mSdLazyCounter, 4711 mSolverCounterSat, 1718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19176 SdHoareTripleChecker+Valid, 17095 SdHoareTripleChecker+Invalid, 6429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1718 IncrementalHoareTripleChecker+Valid, 4711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:28,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19176 Valid, 17095 Invalid, 6429 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1718 Valid, 4711 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 01:47:28,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47079 states. [2023-11-29 01:47:28,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47079 to 45904. [2023-11-29 01:47:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45904 states, 45903 states have (on average 1.5315992418796156) internal successors, (70305), 45903 states have internal predecessors, (70305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45904 states to 45904 states and 70305 transitions. [2023-11-29 01:47:28,626 INFO L78 Accepts]: Start accepts. Automaton has 45904 states and 70305 transitions. Word has length 87 [2023-11-29 01:47:28,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:28,626 INFO L495 AbstractCegarLoop]: Abstraction has 45904 states and 70305 transitions. [2023-11-29 01:47:28,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 45904 states and 70305 transitions. [2023-11-29 01:47:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 01:47:28,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:28,628 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:47:28,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 01:47:28,628 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:28,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:28,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1865533877, now seen corresponding path program 1 times [2023-11-29 01:47:28,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:28,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547483337] [2023-11-29 01:47:28,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:28,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:47:29,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:29,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547483337] [2023-11-29 01:47:29,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547483337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:29,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:29,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:47:29,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298702352] [2023-11-29 01:47:29,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:29,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:47:29,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:29,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:47:29,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:47:29,028 INFO L87 Difference]: Start difference. First operand 45904 states and 70305 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:34,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:34,282 INFO L93 Difference]: Finished difference Result 59446 states and 89958 transitions. [2023-11-29 01:47:34,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:47:34,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-11-29 01:47:34,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:34,323 INFO L225 Difference]: With dead ends: 59446 [2023-11-29 01:47:34,323 INFO L226 Difference]: Without dead ends: 35779 [2023-11-29 01:47:34,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:47:34,337 INFO L413 NwaCegarLoop]: 16026 mSDtfsCounter, 18977 mSDsluCounter, 8365 mSDsCounter, 0 mSdLazyCounter, 6167 mSolverCounterSat, 1506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18977 SdHoareTripleChecker+Valid, 24391 SdHoareTripleChecker+Invalid, 7673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1506 IncrementalHoareTripleChecker+Valid, 6167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:34,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18977 Valid, 24391 Invalid, 7673 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1506 Valid, 6167 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 01:47:34,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35779 states. [2023-11-29 01:47:34,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35779 to 34604. [2023-11-29 01:47:34,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34604 states, 34603 states have (on average 1.5253879721411439) internal successors, (52783), 34603 states have internal predecessors, (52783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34604 states to 34604 states and 52783 transitions. [2023-11-29 01:47:34,824 INFO L78 Accepts]: Start accepts. Automaton has 34604 states and 52783 transitions. Word has length 89 [2023-11-29 01:47:34,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:34,824 INFO L495 AbstractCegarLoop]: Abstraction has 34604 states and 52783 transitions. [2023-11-29 01:47:34,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 34604 states and 52783 transitions. [2023-11-29 01:47:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-29 01:47:34,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:34,826 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:47:34,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 01:47:34,826 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:34,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:34,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1292572411, now seen corresponding path program 1 times [2023-11-29 01:47:34,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:34,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529210686] [2023-11-29 01:47:34,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:34,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:34,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:47:34,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:34,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529210686] [2023-11-29 01:47:34,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529210686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:34,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:34,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:34,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632345697] [2023-11-29 01:47:34,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:34,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:34,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:34,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:34,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:34,915 INFO L87 Difference]: Start difference. First operand 34604 states and 52783 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:36,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:36,336 INFO L93 Difference]: Finished difference Result 35773 states and 54506 transitions. [2023-11-29 01:47:36,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:36,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2023-11-29 01:47:36,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:36,383 INFO L225 Difference]: With dead ends: 35773 [2023-11-29 01:47:36,383 INFO L226 Difference]: Without dead ends: 35771 [2023-11-29 01:47:36,392 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 01:47:36,393 INFO L413 NwaCegarLoop]: 10926 mSDtfsCounter, 931 mSDsluCounter, 10159 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 21085 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:36,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 21085 Invalid, 1189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 01:47:36,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35771 states. [2023-11-29 01:47:36,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35771 to 35769. [2023-11-29 01:47:36,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35769 states, 35768 states have (on average 1.5234846790427197) internal successors, (54492), 35768 states have internal predecessors, (54492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:36,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35769 states to 35769 states and 54492 transitions. [2023-11-29 01:47:36,917 INFO L78 Accepts]: Start accepts. Automaton has 35769 states and 54492 transitions. Word has length 97 [2023-11-29 01:47:36,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:36,918 INFO L495 AbstractCegarLoop]: Abstraction has 35769 states and 54492 transitions. [2023-11-29 01:47:36,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:36,918 INFO L276 IsEmpty]: Start isEmpty. Operand 35769 states and 54492 transitions. [2023-11-29 01:47:36,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-29 01:47:36,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:36,920 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2023-11-29 01:47:36,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 01:47:36,920 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:36,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:36,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1863744109, now seen corresponding path program 1 times [2023-11-29 01:47:36,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:36,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109119339] [2023-11-29 01:47:36,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:36,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:47:37,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:37,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109119339] [2023-11-29 01:47:37,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109119339] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:37,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:37,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:37,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701024075] [2023-11-29 01:47:37,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:37,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:37,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:37,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:37,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:37,046 INFO L87 Difference]: Start difference. First operand 35769 states and 54492 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:38,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:38,595 INFO L93 Difference]: Finished difference Result 60063 states and 91307 transitions. [2023-11-29 01:47:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:38,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-11-29 01:47:38,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:38,638 INFO L225 Difference]: With dead ends: 60063 [2023-11-29 01:47:38,638 INFO L226 Difference]: Without dead ends: 35465 [2023-11-29 01:47:38,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:38,655 INFO L413 NwaCegarLoop]: 9904 mSDtfsCounter, 10140 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10140 SdHoareTripleChecker+Valid, 9904 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 826 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:38,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10140 Valid, 9904 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [826 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 01:47:38,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35465 states. [2023-11-29 01:47:39,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35465 to 35465. [2023-11-29 01:47:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35465 states, 35464 states have (on average 1.5150575231220393) internal successors, (53730), 35464 states have internal predecessors, (53730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:39,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35465 states to 35465 states and 53730 transitions. [2023-11-29 01:47:39,159 INFO L78 Accepts]: Start accepts. Automaton has 35465 states and 53730 transitions. Word has length 98 [2023-11-29 01:47:39,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:39,159 INFO L495 AbstractCegarLoop]: Abstraction has 35465 states and 53730 transitions. [2023-11-29 01:47:39,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:39,160 INFO L276 IsEmpty]: Start isEmpty. Operand 35465 states and 53730 transitions. [2023-11-29 01:47:39,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 01:47:39,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:39,163 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:47:39,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 01:47:39,164 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:39,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:39,164 INFO L85 PathProgramCache]: Analyzing trace with hash -756484602, now seen corresponding path program 1 times [2023-11-29 01:47:39,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:39,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277338635] [2023-11-29 01:47:39,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:39,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:39,284 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:47:39,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:39,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277338635] [2023-11-29 01:47:39,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277338635] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:39,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:39,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:39,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378254264] [2023-11-29 01:47:39,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:39,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:39,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:39,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:39,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:39,287 INFO L87 Difference]: Start difference. First operand 35465 states and 53730 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:40,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:40,539 INFO L93 Difference]: Finished difference Result 59166 states and 89308 transitions. [2023-11-29 01:47:40,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:40,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 113 [2023-11-29 01:47:40,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:40,570 INFO L225 Difference]: With dead ends: 59166 [2023-11-29 01:47:40,571 INFO L226 Difference]: Without dead ends: 25645 [2023-11-29 01:47:40,583 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 01:47:40,583 INFO L413 NwaCegarLoop]: 10912 mSDtfsCounter, 288 mSDsluCounter, 9795 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 20707 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:40,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 20707 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 01:47:40,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25645 states. [2023-11-29 01:47:40,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25645 to 25643. [2023-11-29 01:47:40,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25643 states, 25642 states have (on average 1.4984010607596912) internal successors, (38422), 25642 states have internal predecessors, (38422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:40,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25643 states to 25643 states and 38422 transitions. [2023-11-29 01:47:40,884 INFO L78 Accepts]: Start accepts. Automaton has 25643 states and 38422 transitions. Word has length 113 [2023-11-29 01:47:40,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:40,884 INFO L495 AbstractCegarLoop]: Abstraction has 25643 states and 38422 transitions. [2023-11-29 01:47:40,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 25643 states and 38422 transitions. [2023-11-29 01:47:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 01:47:40,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:40,887 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:40,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 01:47:40,887 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:40,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:40,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1141324682, now seen corresponding path program 1 times [2023-11-29 01:47:40,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:40,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640458073] [2023-11-29 01:47:40,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:40,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 01:47:41,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:41,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640458073] [2023-11-29 01:47:41,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640458073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:41,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:41,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:41,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702592643] [2023-11-29 01:47:41,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:41,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:41,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:41,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:41,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:41,143 INFO L87 Difference]: Start difference. First operand 25643 states and 38422 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:44,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:44,847 INFO L93 Difference]: Finished difference Result 33551 states and 49402 transitions. [2023-11-29 01:47:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:44,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-11-29 01:47:44,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:44,879 INFO L225 Difference]: With dead ends: 33551 [2023-11-29 01:47:44,879 INFO L226 Difference]: Without dead ends: 26562 [2023-11-29 01:47:44,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 01:47:44,888 INFO L413 NwaCegarLoop]: 9482 mSDtfsCounter, 9357 mSDsluCounter, 8037 mSDsCounter, 0 mSdLazyCounter, 3750 mSolverCounterSat, 661 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9357 SdHoareTripleChecker+Valid, 17519 SdHoareTripleChecker+Invalid, 4411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 661 IncrementalHoareTripleChecker+Valid, 3750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:44,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9357 Valid, 17519 Invalid, 4411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [661 Valid, 3750 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:47:44,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26562 states. [2023-11-29 01:47:45,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26562 to 19328. [2023-11-29 01:47:45,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19328 states, 19327 states have (on average 1.4839343923009263) internal successors, (28680), 19327 states have internal predecessors, (28680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19328 states to 19328 states and 28680 transitions. [2023-11-29 01:47:45,160 INFO L78 Accepts]: Start accepts. Automaton has 19328 states and 28680 transitions. Word has length 117 [2023-11-29 01:47:45,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:45,161 INFO L495 AbstractCegarLoop]: Abstraction has 19328 states and 28680 transitions. [2023-11-29 01:47:45,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 19328 states and 28680 transitions. [2023-11-29 01:47:45,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 01:47:45,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:45,163 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-29 01:47:45,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 01:47:45,164 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:45,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:45,164 INFO L85 PathProgramCache]: Analyzing trace with hash 573768167, now seen corresponding path program 1 times [2023-11-29 01:47:45,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:45,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557771343] [2023-11-29 01:47:45,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:45,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:47:45,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:45,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557771343] [2023-11-29 01:47:45,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557771343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:45,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:45,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:45,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299671307] [2023-11-29 01:47:45,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:45,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:45,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:45,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:45,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:45,293 INFO L87 Difference]: Start difference. First operand 19328 states and 28680 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:46,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:46,129 INFO L93 Difference]: Finished difference Result 35711 states and 53071 transitions. [2023-11-29 01:47:46,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:46,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 135 [2023-11-29 01:47:46,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:46,147 INFO L225 Difference]: With dead ends: 35711 [2023-11-29 01:47:46,147 INFO L226 Difference]: Without dead ends: 17727 [2023-11-29 01:47:46,157 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 01:47:46,157 INFO L413 NwaCegarLoop]: 10413 mSDtfsCounter, 8551 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8551 SdHoareTripleChecker+Valid, 11620 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:46,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8551 Valid, 11620 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [576 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 01:47:46,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17727 states. [2023-11-29 01:47:46,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17727 to 17725. [2023-11-29 01:47:46,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17725 states, 17724 states have (on average 1.4838636876551567) internal successors, (26300), 17724 states have internal predecessors, (26300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:46,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17725 states to 17725 states and 26300 transitions. [2023-11-29 01:47:46,338 INFO L78 Accepts]: Start accepts. Automaton has 17725 states and 26300 transitions. Word has length 135 [2023-11-29 01:47:46,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:46,338 INFO L495 AbstractCegarLoop]: Abstraction has 17725 states and 26300 transitions. [2023-11-29 01:47:46,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:46,338 INFO L276 IsEmpty]: Start isEmpty. Operand 17725 states and 26300 transitions. [2023-11-29 01:47:46,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-29 01:47:46,340 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:46,340 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-29 01:47:46,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 01:47:46,340 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:46,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:46,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1953273572, now seen corresponding path program 1 times [2023-11-29 01:47:46,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:46,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225711962] [2023-11-29 01:47:46,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:46,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:47:46,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:46,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225711962] [2023-11-29 01:47:46,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225711962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:46,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:46,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:46,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818274068] [2023-11-29 01:47:46,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:46,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:46,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:46,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:46,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:46,446 INFO L87 Difference]: Start difference. First operand 17725 states and 26300 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:47,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:47,366 INFO L93 Difference]: Finished difference Result 28899 states and 42827 transitions. [2023-11-29 01:47:47,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:47,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 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 137 [2023-11-29 01:47:47,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:47,381 INFO L225 Difference]: With dead ends: 28899 [2023-11-29 01:47:47,381 INFO L226 Difference]: Without dead ends: 12905 [2023-11-29 01:47:47,390 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 01:47:47,390 INFO L413 NwaCegarLoop]: 10134 mSDtfsCounter, 289 mSDsluCounter, 9058 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 19192 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:47,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 19192 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 01:47:47,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12905 states. [2023-11-29 01:47:47,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12905 to 12903. [2023-11-29 01:47:47,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12903 states, 12902 states have (on average 1.4720973492481786) internal successors, (18993), 12902 states have internal predecessors, (18993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:47,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12903 states to 12903 states and 18993 transitions. [2023-11-29 01:47:47,538 INFO L78 Accepts]: Start accepts. Automaton has 12903 states and 18993 transitions. Word has length 137 [2023-11-29 01:47:47,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:47,539 INFO L495 AbstractCegarLoop]: Abstraction has 12903 states and 18993 transitions. [2023-11-29 01:47:47,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 12903 states and 18993 transitions. [2023-11-29 01:47:47,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 01:47:47,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:47,541 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-29 01:47:47,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 01:47:47,541 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:47,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:47,542 INFO L85 PathProgramCache]: Analyzing trace with hash 372632353, now seen corresponding path program 1 times [2023-11-29 01:47:47,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:47,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320175092] [2023-11-29 01:47:47,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:47,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:47:47,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:47,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320175092] [2023-11-29 01:47:47,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320175092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:47,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:47,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:47,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195086919] [2023-11-29 01:47:47,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:47,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:47,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:47,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:47,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:47,649 INFO L87 Difference]: Start difference. First operand 12903 states and 18993 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:48,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:48,520 INFO L93 Difference]: Finished difference Result 23249 states and 34300 transitions. [2023-11-29 01:47:48,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:48,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 143 [2023-11-29 01:47:48,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:48,532 INFO L225 Difference]: With dead ends: 23249 [2023-11-29 01:47:48,532 INFO L226 Difference]: Without dead ends: 12270 [2023-11-29 01:47:48,538 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 01:47:48,538 INFO L413 NwaCegarLoop]: 10047 mSDtfsCounter, 7181 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7181 SdHoareTripleChecker+Valid, 12246 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:48,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7181 Valid, 12246 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 01:47:48,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12270 states. [2023-11-29 01:47:48,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12270 to 12268. [2023-11-29 01:47:48,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12268 states, 12267 states have (on average 1.470856770196462) internal successors, (18043), 12267 states have internal predecessors, (18043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12268 states to 12268 states and 18043 transitions. [2023-11-29 01:47:48,664 INFO L78 Accepts]: Start accepts. Automaton has 12268 states and 18043 transitions. Word has length 143 [2023-11-29 01:47:48,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:48,664 INFO L495 AbstractCegarLoop]: Abstraction has 12268 states and 18043 transitions. [2023-11-29 01:47:48,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:48,665 INFO L276 IsEmpty]: Start isEmpty. Operand 12268 states and 18043 transitions. [2023-11-29 01:47:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 01:47:48,666 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:48,667 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-29 01:47:48,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 01:47:48,667 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:48,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:48,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1357924710, now seen corresponding path program 1 times [2023-11-29 01:47:48,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:48,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808583944] [2023-11-29 01:47:48,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:48,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:47:48,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:48,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808583944] [2023-11-29 01:47:48,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808583944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:48,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:48,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:48,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931481998] [2023-11-29 01:47:48,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:48,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:48,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:48,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:48,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:48,761 INFO L87 Difference]: Start difference. First operand 12268 states and 18043 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:49,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:49,521 INFO L93 Difference]: Finished difference Result 22644 states and 33374 transitions. [2023-11-29 01:47:49,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:49,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 147 [2023-11-29 01:47:49,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:49,532 INFO L225 Difference]: With dead ends: 22644 [2023-11-29 01:47:49,533 INFO L226 Difference]: Without dead ends: 12300 [2023-11-29 01:47:49,538 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 01:47:49,538 INFO L413 NwaCegarLoop]: 10104 mSDtfsCounter, 245 mSDsluCounter, 9074 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 19178 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:49,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 19178 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 01:47:49,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12300 states. [2023-11-29 01:47:49,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12300 to 12298. [2023-11-29 01:47:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12298 states, 12297 states have (on average 1.4697080588761486) internal successors, (18073), 12297 states have internal predecessors, (18073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:49,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12298 states to 12298 states and 18073 transitions. [2023-11-29 01:47:49,660 INFO L78 Accepts]: Start accepts. Automaton has 12298 states and 18073 transitions. Word has length 147 [2023-11-29 01:47:49,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:49,660 INFO L495 AbstractCegarLoop]: Abstraction has 12298 states and 18073 transitions. [2023-11-29 01:47:49,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:49,660 INFO L276 IsEmpty]: Start isEmpty. Operand 12298 states and 18073 transitions. [2023-11-29 01:47:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 01:47:49,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:49,663 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-29 01:47:49,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 01:47:49,663 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:49,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:49,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1695360865, now seen corresponding path program 1 times [2023-11-29 01:47:49,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:49,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717935381] [2023-11-29 01:47:49,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:49,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:47:49,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:49,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717935381] [2023-11-29 01:47:49,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717935381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:49,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:49,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:49,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982280306] [2023-11-29 01:47:49,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:49,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:49,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:49,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:49,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:49,793 INFO L87 Difference]: Start difference. First operand 12298 states and 18073 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:50,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:50,468 INFO L93 Difference]: Finished difference Result 20372 states and 30014 transitions. [2023-11-29 01:47:50,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:50,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 177 [2023-11-29 01:47:50,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:50,478 INFO L225 Difference]: With dead ends: 20372 [2023-11-29 01:47:50,478 INFO L226 Difference]: Without dead ends: 9998 [2023-11-29 01:47:50,483 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 01:47:50,483 INFO L413 NwaCegarLoop]: 8179 mSDtfsCounter, 5963 mSDsluCounter, 1686 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5963 SdHoareTripleChecker+Valid, 9865 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:50,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5963 Valid, 9865 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 01:47:50,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9998 states. [2023-11-29 01:47:50,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9998 to 9996. [2023-11-29 01:47:50,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9996 states, 9995 states have (on average 1.4682341170585294) internal successors, (14675), 9995 states have internal predecessors, (14675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:50,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9996 states to 9996 states and 14675 transitions. [2023-11-29 01:47:50,577 INFO L78 Accepts]: Start accepts. Automaton has 9996 states and 14675 transitions. Word has length 177 [2023-11-29 01:47:50,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:50,578 INFO L495 AbstractCegarLoop]: Abstraction has 9996 states and 14675 transitions. [2023-11-29 01:47:50,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 9996 states and 14675 transitions. [2023-11-29 01:47:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-29 01:47:50,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:50,581 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-29 01:47:50,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 01:47:50,581 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:50,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:50,581 INFO L85 PathProgramCache]: Analyzing trace with hash 781182402, now seen corresponding path program 1 times [2023-11-29 01:47:50,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:50,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821558439] [2023-11-29 01:47:50,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:50,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:47:50,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:50,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821558439] [2023-11-29 01:47:50,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821558439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:50,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:50,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:47:50,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052329852] [2023-11-29 01:47:50,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:50,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:47:50,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:50,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:47:50,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:47:50,706 INFO L87 Difference]: Start difference. First operand 9996 states and 14675 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:51,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:51,005 INFO L93 Difference]: Finished difference Result 10398 states and 15236 transitions. [2023-11-29 01:47:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:47:51,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 182 [2023-11-29 01:47:51,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:51,008 INFO L225 Difference]: With dead ends: 10398 [2023-11-29 01:47:51,008 INFO L226 Difference]: Without dead ends: 2332 [2023-11-29 01:47:51,011 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 01:47:51,011 INFO L413 NwaCegarLoop]: 2166 mSDtfsCounter, 238 mSDsluCounter, 1686 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 3852 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:51,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 3852 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:47:51,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2332 states. [2023-11-29 01:47:51,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2332 to 2330. [2023-11-29 01:47:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 2329 states have (on average 1.421210820094461) internal successors, (3310), 2329 states have internal predecessors, (3310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3310 transitions. [2023-11-29 01:47:51,033 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3310 transitions. Word has length 182 [2023-11-29 01:47:51,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:51,033 INFO L495 AbstractCegarLoop]: Abstraction has 2330 states and 3310 transitions. [2023-11-29 01:47:51,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:47:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3310 transitions. [2023-11-29 01:47:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 01:47:51,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:51,036 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:51,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 01:47:51,036 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:51,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:51,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1019673503, now seen corresponding path program 1 times [2023-11-29 01:47:51,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:51,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935743135] [2023-11-29 01:47:51,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:51,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:47:51,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:47:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:47:51,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:47:51,318 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 01:47:51,319 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:47:51,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 01:47:51,323 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:51,326 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:47:51,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:47:51 BoogieIcfgContainer [2023-11-29 01:47:51,476 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:47:51,476 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:47:51,476 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:47:51,477 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:47:51,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:46:13" (3/4) ... [2023-11-29 01:47:51,478 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-29 01:47:51,657 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:47:51,658 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:47:51,658 INFO L158 Benchmark]: Toolchain (without parser) took 118216.29ms. Allocated memory was 188.7MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 91.1MB in the beginning and 4.4GB in the end (delta: -4.4GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2023-11-29 01:47:51,659 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 188.7MB. Free memory is still 161.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:47:51,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2699.25ms. Allocated memory was 188.7MB in the beginning and 325.1MB in the end (delta: 136.3MB). Free memory was 90.7MB in the beginning and 123.3MB in the end (delta: -32.6MB). Peak memory consumption was 188.9MB. Max. memory is 16.1GB. [2023-11-29 01:47:51,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 789.91ms. Allocated memory was 325.1MB in the beginning and 639.6MB in the end (delta: 314.6MB). Free memory was 123.3MB in the beginning and 361.1MB in the end (delta: -237.7MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. [2023-11-29 01:47:51,660 INFO L158 Benchmark]: Boogie Preprocessor took 1125.76ms. Allocated memory was 639.6MB in the beginning and 1.3GB in the end (delta: 669.0MB). Free memory was 361.1MB in the beginning and 947.2MB in the end (delta: -586.1MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. [2023-11-29 01:47:51,661 INFO L158 Benchmark]: RCFGBuilder took 15685.35ms. Allocated memory was 1.3GB in the beginning and 3.1GB in the end (delta: 1.8GB). Free memory was 947.2MB in the beginning and 2.2GB in the end (delta: -1.3GB). Peak memory consumption was 644.4MB. Max. memory is 16.1GB. [2023-11-29 01:47:51,661 INFO L158 Benchmark]: TraceAbstraction took 97727.96ms. Allocated memory was 3.1GB in the beginning and 7.7GB in the end (delta: 4.6GB). Free memory was 2.2GB in the beginning and 3.8GB in the end (delta: -1.5GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2023-11-29 01:47:51,661 INFO L158 Benchmark]: Witness Printer took 181.65ms. Allocated memory is still 7.7GB. Free memory was 3.8GB in the beginning and 4.4GB in the end (delta: -666.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 01:47:51,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 188.7MB. Free memory is still 161.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2699.25ms. Allocated memory was 188.7MB in the beginning and 325.1MB in the end (delta: 136.3MB). Free memory was 90.7MB in the beginning and 123.3MB in the end (delta: -32.6MB). Peak memory consumption was 188.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 789.91ms. Allocated memory was 325.1MB in the beginning and 639.6MB in the end (delta: 314.6MB). Free memory was 123.3MB in the beginning and 361.1MB in the end (delta: -237.7MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1125.76ms. Allocated memory was 639.6MB in the beginning and 1.3GB in the end (delta: 669.0MB). Free memory was 361.1MB in the beginning and 947.2MB in the end (delta: -586.1MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. * RCFGBuilder took 15685.35ms. Allocated memory was 1.3GB in the beginning and 3.1GB in the end (delta: 1.8GB). Free memory was 947.2MB in the beginning and 2.2GB in the end (delta: -1.3GB). Peak memory consumption was 644.4MB. Max. memory is 16.1GB. * TraceAbstraction took 97727.96ms. Allocated memory was 3.1GB in the beginning and 7.7GB in the end (delta: 4.6GB). Free memory was 2.2GB in the beginning and 3.8GB in the end (delta: -1.5GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. * Witness Printer took 181.65ms. Allocated memory is still 7.7GB. Free memory was 3.8GB in the beginning and 4.4GB in the end (delta: -666.9MB). Peak memory consumption was 21.0MB. 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 - CounterExampleResult [Line: 49140]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] int m_getInetAddress = 1; [L8] int m_getOOBInline = 2; [L9] int m_getLocalPort = 3; [L10] int m_isInputShutdown = 4; [L11] int m_setTcpNoDelay = 5; [L12] int m_isConnected = 6; [L13] int m_getKeepAlive = 7; [L14] int m_getLocalAddress = 8; [L15] int m_bind = 9; [L16] int m_getChannel = 10; [L17] int m_getSoLinger = 11; [L18] int m_getImpl = 12; [L19] int m_getTcpNoDelay = 13; [L20] int m_getSoTimeout = 14; [L21] int m_isOutputShutdown = 15; [L22] int m_postAccept = 16; [L23] int m_close = 17; [L24] int m_setOOBInline = 18; [L25] int m_getLocalSocketAddress = 19; [L26] int m_getReceiveBufferSize = 20; [L27] int m_setReuseAddress = 21; [L28] int m_getTrafficClass = 22; [L29] int m_getReuseAddress = 23; [L30] int m_createImpl = 24; [L31] int m_setCreated = 25; [L32] int m_setKeepAlive = 26; [L33] int m_getInputStream = 27; [L34] int m_shutdownOutput = 28; [L35] int m_shutdownInput = 29; [L36] int m_setPerformancePreferences = 30; [L37] int m_getPort = 31; [L38] int m_sendUrgentData = 32; [L39] int m_isClosed = 33; [L40] int m_isBound = 34; [L41] int m_setBound = 35; [L42] int m_getSendBufferSize = 36; [L43] int m_getOutputStream = 37; [L44] int m_setConnected = 38; [L45] int m_Socket = 39; [L46] int m_getRemoteSocketAddress = 40; [L47] int m_setReceiveBufferSize_1 = 41; [L48] int m_setReceiveBufferSize_2 = 42; [L49] int m_connect2_1 = 43; [L50] int m_connect2_2 = 44; [L51] int m_setSoLinger_1 = 45; [L52] int m_setSoLinger_2 = 46; [L53] int m_connect1_1 = 47; [L54] int m_connect1_2 = 48; [L55] int m_setTrafficClass_1 = 49; [L56] int m_setTrafficClass_2 = 50; [L57] int m_setSoTimeout_1 = 51; [L58] int m_setSoTimeout_2 = 52; [L59] int m_setSendBufferSize_1 = 53; [L60] int m_setSendBufferSize_2 = 54; [L61] int m_setSocketImplFactory_1 = 55; [L62] int m_setSocketImplFactory_2 = 56; [L67] int q = 0; [L68] int method_id; [L71] int this_oldImpl = 0; [L72] int this_factory = 0; [L73] int this_shutOut = 0; [L74] int this_created = 0; [L75] int this_shutIn = 0; [L76] int this_closed = 0; [L77] int this_bound = 0; [L78] int this_impl = 1; [L79] int this_connected = 0; VAL [m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, q=0, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=0, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] [L82] COND TRUE 1 [L85] _Bool P1=__VERIFIER_nondet_int(); [L86] int P2=__VERIFIER_nondet_int(); [L87] _Bool P3=__VERIFIER_nondet_int(); [L88] _Bool P4=__VERIFIER_nondet_int(); [L89] _Bool P5=__VERIFIER_nondet_int(); [L90] _Bool P6=__VERIFIER_nondet_int(); [L91] int P7=__VERIFIER_nondet_int(); [L92] int P8=__VERIFIER_nondet_int(); [L93] int P9=__VERIFIER_nondet_int(); [L94] int P10=__VERIFIER_nondet_int(); [L95] int P11=__VERIFIER_nondet_int(); [L96] int P12=__VERIFIER_nondet_int(); [L97] int P13=__VERIFIER_nondet_int(); [L98] int P14=__VERIFIER_nondet_int(); [L99] int P15=__VERIFIER_nondet_int(); [L100] int P16=__VERIFIER_nondet_int(); [L101] _Bool P17=__VERIFIER_nondet_int(); [L102] int P18=__VERIFIER_nondet_int(); [L103] _Bool P19=__VERIFIER_nondet_int(); [L104] int P20=__VERIFIER_nondet_int(); [L105] int P21=__VERIFIER_nondet_int(); [L106] int P22=__VERIFIER_nondet_int(); [L107] int P23=__VERIFIER_nondet_int(); [L108] int P24=__VERIFIER_nondet_int(); [L109] int P25=__VERIFIER_nondet_int(); [L110] int P26=__VERIFIER_nondet_int(); [L111] int P27=__VERIFIER_nondet_int(); [L112] int P28=__VERIFIER_nondet_int(); [L113] int P29=__VERIFIER_nondet_int(); [L114] int P30=__VERIFIER_nondet_int(); [L118] COND TRUE q == 0 [L119] COND TRUE __VERIFIER_nondet_int() [L123] method_id = 39 VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P18=0, P19=1, P1=1, P20=0, P21=0, P22=0, P23=0, P24=0, P25=0, P26=0, P27=0, P28=0, P29=0, P2=0, P30=0, P3=1, P4=0, P5=1, P6=1, P7=0, P8=0, P9=0, m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, method_id=39, q=0, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=0, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] [L125] COND FALSE !(0) [L129] q = 2 [L131] this_factory=0 [L131] this_shutIn=0 [L131] this_connected=0 [L131] this_closed=0 [L131] this_shutOut=0 [L131] this_created=0 [L131] this_impl=1 [L131] this_bound=0 [L131] this_oldImpl=0 VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P18=0, P19=1, P1=1, P20=0, P21=0, P22=0, P23=0, P24=0, P25=0, P26=0, P27=0, P28=0, P29=0, P2=0, P30=0, P3=1, P4=0, P5=1, P6=1, P7=0, P8=0, P9=0, m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, method_id=39, q=2, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=0, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] [L82] COND TRUE 1 [L85] _Bool P1=__VERIFIER_nondet_int(); [L86] int P2=__VERIFIER_nondet_int(); [L87] _Bool P3=__VERIFIER_nondet_int(); [L88] _Bool P4=__VERIFIER_nondet_int(); [L89] _Bool P5=__VERIFIER_nondet_int(); [L90] _Bool P6=__VERIFIER_nondet_int(); [L91] int P7=__VERIFIER_nondet_int(); [L92] int P8=__VERIFIER_nondet_int(); [L93] int P9=__VERIFIER_nondet_int(); [L94] int P10=__VERIFIER_nondet_int(); [L95] int P11=__VERIFIER_nondet_int(); [L96] int P12=__VERIFIER_nondet_int(); [L97] int P13=__VERIFIER_nondet_int(); [L98] int P14=__VERIFIER_nondet_int(); [L99] int P15=__VERIFIER_nondet_int(); [L100] int P16=__VERIFIER_nondet_int(); [L101] _Bool P17=__VERIFIER_nondet_int(); [L102] int P18=__VERIFIER_nondet_int(); [L103] _Bool P19=__VERIFIER_nondet_int(); [L104] int P20=__VERIFIER_nondet_int(); [L105] int P21=__VERIFIER_nondet_int(); [L106] int P22=__VERIFIER_nondet_int(); [L107] int P23=__VERIFIER_nondet_int(); [L108] int P24=__VERIFIER_nondet_int(); [L109] int P25=__VERIFIER_nondet_int(); [L110] int P26=__VERIFIER_nondet_int(); [L111] int P27=__VERIFIER_nondet_int(); [L112] int P28=__VERIFIER_nondet_int(); [L113] int P29=__VERIFIER_nondet_int(); [L114] int P30=__VERIFIER_nondet_int(); [L118] COND FALSE !(q == 0) VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=1, P18=0, P19=1, P1=0, P20=0, P21=0, P22=0, P23=0, P24=0, P25=0, P26=0, P27=0, P28=0, P29=0, P2=0, P30=1, P3=0, P4=1, P5=0, P6=1, P7=0, P8=0, P9=0, m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, method_id=39, q=2, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=0, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] [L138] COND FALSE !(q == 1) VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=1, P18=0, P19=1, P1=0, P20=0, P21=0, P22=0, P23=0, P24=0, P25=0, P26=0, P27=0, P28=0, P29=0, P2=0, P30=1, P3=0, P4=1, P5=0, P6=1, P7=0, P8=0, P9=0, m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, method_id=39, q=2, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=0, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] [L750] COND TRUE q == 2 [L751] COND FALSE !(__VERIFIER_nondet_int()) [L767] COND FALSE !(__VERIFIER_nondet_int()) [L783] COND FALSE !(__VERIFIER_nondet_int()) [L799] COND FALSE !(__VERIFIER_nondet_int()) [L815] COND FALSE !(__VERIFIER_nondet_int()) [L831] COND FALSE !(__VERIFIER_nondet_int()) [L847] COND FALSE !(__VERIFIER_nondet_int()) [L863] COND FALSE !(__VERIFIER_nondet_int()) [L879] COND FALSE !(__VERIFIER_nondet_int()) [L895] COND FALSE !(__VERIFIER_nondet_int()) [L911] COND FALSE !(__VERIFIER_nondet_int()) [L927] COND FALSE !(__VERIFIER_nondet_int()) [L943] COND FALSE !(__VERIFIER_nondet_int()) [L959] COND FALSE !(__VERIFIER_nondet_int()) [L975] COND FALSE !(__VERIFIER_nondet_int()) [L991] COND FALSE !(__VERIFIER_nondet_int()) [L1007] COND FALSE !(__VERIFIER_nondet_int()) [L1023] COND FALSE !(__VERIFIER_nondet_int()) [L1039] COND FALSE !(__VERIFIER_nondet_int()) [L1055] COND FALSE !(__VERIFIER_nondet_int()) [L1071] COND FALSE !(__VERIFIER_nondet_int()) [L1087] COND FALSE !(__VERIFIER_nondet_int()) [L1103] COND FALSE !(__VERIFIER_nondet_int()) [L1119] COND FALSE !(__VERIFIER_nondet_int()) [L1135] COND FALSE !(__VERIFIER_nondet_int()) [L1151] COND FALSE !(__VERIFIER_nondet_int()) [L1167] COND FALSE !(__VERIFIER_nondet_int()) [L1183] COND FALSE !(__VERIFIER_nondet_int()) [L1199] COND FALSE !(__VERIFIER_nondet_int()) [L1215] COND FALSE !(__VERIFIER_nondet_int()) [L1231] COND FALSE !(__VERIFIER_nondet_int()) [L1247] COND FALSE !(__VERIFIER_nondet_int()) [L1263] COND FALSE !(__VERIFIER_nondet_int()) [L1279] COND FALSE !(__VERIFIER_nondet_int()) [L1295] COND FALSE !(__VERIFIER_nondet_int()) [L1311] COND FALSE !(__VERIFIER_nondet_int()) [L1327] COND FALSE !(__VERIFIER_nondet_int()) [L1343] COND FALSE !(__VERIFIER_nondet_int()) [L1359] COND FALSE !(__VERIFIER_nondet_int()) [L1375] COND FALSE !(__VERIFIER_nondet_int()) [L1391] COND FALSE !(__VERIFIER_nondet_int()) [L1407] COND FALSE !(__VERIFIER_nondet_int()) [L1423] COND FALSE !(__VERIFIER_nondet_int()) [L1439] COND FALSE !(__VERIFIER_nondet_int()) [L1455] COND FALSE !(__VERIFIER_nondet_int()) [L1471] COND FALSE !(__VERIFIER_nondet_int()) [L1487] COND FALSE !(__VERIFIER_nondet_int()) [L1503] COND FALSE !(__VERIFIER_nondet_int()) [L1519] COND FALSE !(__VERIFIER_nondet_int()) [L1535] COND FALSE !(__VERIFIER_nondet_int()) [L1551] COND FALSE !(__VERIFIER_nondet_int()) [L1567] COND FALSE !(__VERIFIER_nondet_int()) [L1583] COND FALSE !(__VERIFIER_nondet_int()) [L1599] COND FALSE !(__VERIFIER_nondet_int()) [L1615] COND FALSE !(__VERIFIER_nondet_int()) [L1631] COND FALSE !(__VERIFIER_nondet_int()) [L1647] COND FALSE !(__VERIFIER_nondet_int()) [L1663] COND FALSE !(__VERIFIER_nondet_int()) [L1679] COND FALSE !(__VERIFIER_nondet_int()) [L1695] COND FALSE !(__VERIFIER_nondet_int()) [L1711] COND FALSE !(__VERIFIER_nondet_int()) [L1727] COND FALSE !(__VERIFIER_nondet_int()) [L1743] COND FALSE !(__VERIFIER_nondet_int()) [L1759] COND FALSE !(__VERIFIER_nondet_int()) [L1775] COND FALSE !(__VERIFIER_nondet_int()) [L1791] COND FALSE !(__VERIFIER_nondet_int()) [L1807] COND FALSE !(__VERIFIER_nondet_int()) [L1823] COND FALSE !(__VERIFIER_nondet_int()) [L1839] COND FALSE !(__VERIFIER_nondet_int()) [L1855] COND FALSE !(__VERIFIER_nondet_int()) [L1871] COND FALSE !(__VERIFIER_nondet_int()) [L1887] COND FALSE !(__VERIFIER_nondet_int()) [L1903] COND FALSE !(__VERIFIER_nondet_int()) [L1919] COND FALSE !(__VERIFIER_nondet_int()) [L1935] COND FALSE !(__VERIFIER_nondet_int()) [L1951] COND FALSE !(__VERIFIER_nondet_int()) [L1967] COND FALSE !(__VERIFIER_nondet_int()) [L1983] COND FALSE !(__VERIFIER_nondet_int()) [L1999] COND FALSE !(__VERIFIER_nondet_int()) [L2015] COND FALSE !(__VERIFIER_nondet_int()) [L2031] COND FALSE !(__VERIFIER_nondet_int()) [L2047] COND FALSE !(__VERIFIER_nondet_int()) [L2063] COND FALSE !(__VERIFIER_nondet_int()) [L2079] COND TRUE __VERIFIER_nondet_int() [L2081] COND TRUE !(P1 != 0) [L2083] method_id = 56 VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=1, P18=0, P19=1, P1=0, P20=0, P21=0, P22=0, P23=0, P24=0, P25=0, P26=0, P27=0, P28=0, P29=0, P2=0, P30=1, P3=0, P4=1, P5=0, P6=1, P7=0, P8=0, P9=0, m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, method_id=56, q=2, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=0, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] [L2085] COND FALSE !(((this_factory != 0) && !(P30 != 0))) [L2089] q = 2 [L2091] this_factory=P30 [L2091] this_shutIn=this_shutIn [L2091] this_connected=this_connected [L2091] this_closed=this_closed [L2091] this_shutOut=this_shutOut [L2091] this_created=this_created [L2091] this_impl=this_impl [L2091] this_bound=this_bound [L2091] this_oldImpl=this_oldImpl VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=1, P18=0, P19=1, P1=0, P20=0, P21=0, P22=0, P23=0, P24=0, P25=0, P26=0, P27=0, P28=0, P29=0, P2=0, P30=1, P3=0, P4=1, P5=0, P6=1, P7=0, P8=0, P9=0, m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, method_id=56, q=2, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=1, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] [L82] COND TRUE 1 [L85] _Bool P1=__VERIFIER_nondet_int(); [L86] int P2=__VERIFIER_nondet_int(); [L87] _Bool P3=__VERIFIER_nondet_int(); [L88] _Bool P4=__VERIFIER_nondet_int(); [L89] _Bool P5=__VERIFIER_nondet_int(); [L90] _Bool P6=__VERIFIER_nondet_int(); [L91] int P7=__VERIFIER_nondet_int(); [L92] int P8=__VERIFIER_nondet_int(); [L93] int P9=__VERIFIER_nondet_int(); [L94] int P10=__VERIFIER_nondet_int(); [L95] int P11=__VERIFIER_nondet_int(); [L96] int P12=__VERIFIER_nondet_int(); [L97] int P13=__VERIFIER_nondet_int(); [L98] int P14=__VERIFIER_nondet_int(); [L99] int P15=__VERIFIER_nondet_int(); [L100] int P16=__VERIFIER_nondet_int(); [L101] _Bool P17=__VERIFIER_nondet_int(); [L102] int P18=__VERIFIER_nondet_int(); [L103] _Bool P19=__VERIFIER_nondet_int(); [L104] int P20=__VERIFIER_nondet_int(); [L105] int P21=__VERIFIER_nondet_int(); [L106] int P22=__VERIFIER_nondet_int(); [L107] int P23=__VERIFIER_nondet_int(); [L108] int P24=__VERIFIER_nondet_int(); [L109] int P25=__VERIFIER_nondet_int(); [L110] int P26=__VERIFIER_nondet_int(); [L111] int P27=__VERIFIER_nondet_int(); [L112] int P28=__VERIFIER_nondet_int(); [L113] int P29=__VERIFIER_nondet_int(); [L114] int P30=__VERIFIER_nondet_int(); [L118] COND FALSE !(q == 0) VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P18=0, P19=1, P1=1, P20=0, P21=0, P22=0, P23=0, P24=0, P25=0, P26=0, P27=0, P28=0, P29=1, P2=0, P30=0, P3=1, P4=1, P5=1, P6=0, P7=0, P8=0, P9=0, m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, method_id=56, q=2, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=1, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] [L138] COND FALSE !(q == 1) VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P18=0, P19=1, P1=1, P20=0, P21=0, P22=0, P23=0, P24=0, P25=0, P26=0, P27=0, P28=0, P29=1, P2=0, P30=0, P3=1, P4=1, P5=1, P6=0, P7=0, P8=0, P9=0, m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, method_id=56, q=2, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=1, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] [L750] COND TRUE q == 2 [L751] COND FALSE !(__VERIFIER_nondet_int()) [L767] COND FALSE !(__VERIFIER_nondet_int()) [L783] COND FALSE !(__VERIFIER_nondet_int()) [L799] COND FALSE !(__VERIFIER_nondet_int()) [L815] COND FALSE !(__VERIFIER_nondet_int()) [L831] COND FALSE !(__VERIFIER_nondet_int()) [L847] COND FALSE !(__VERIFIER_nondet_int()) [L863] COND FALSE !(__VERIFIER_nondet_int()) [L879] COND FALSE !(__VERIFIER_nondet_int()) [L895] COND FALSE !(__VERIFIER_nondet_int()) [L911] COND FALSE !(__VERIFIER_nondet_int()) [L927] COND FALSE !(__VERIFIER_nondet_int()) [L943] COND FALSE !(__VERIFIER_nondet_int()) [L959] COND FALSE !(__VERIFIER_nondet_int()) [L975] COND FALSE !(__VERIFIER_nondet_int()) [L991] COND FALSE !(__VERIFIER_nondet_int()) [L1007] COND FALSE !(__VERIFIER_nondet_int()) [L1023] COND FALSE !(__VERIFIER_nondet_int()) [L1039] COND FALSE !(__VERIFIER_nondet_int()) [L1055] COND FALSE !(__VERIFIER_nondet_int()) [L1071] COND FALSE !(__VERIFIER_nondet_int()) [L1087] COND FALSE !(__VERIFIER_nondet_int()) [L1103] COND FALSE !(__VERIFIER_nondet_int()) [L1119] COND FALSE !(__VERIFIER_nondet_int()) [L1135] COND FALSE !(__VERIFIER_nondet_int()) [L1151] COND FALSE !(__VERIFIER_nondet_int()) [L1167] COND FALSE !(__VERIFIER_nondet_int()) [L1183] COND FALSE !(__VERIFIER_nondet_int()) [L1199] COND FALSE !(__VERIFIER_nondet_int()) [L1215] COND FALSE !(__VERIFIER_nondet_int()) [L1231] COND FALSE !(__VERIFIER_nondet_int()) [L1247] COND FALSE !(__VERIFIER_nondet_int()) [L1263] COND FALSE !(__VERIFIER_nondet_int()) [L1279] COND FALSE !(__VERIFIER_nondet_int()) [L1295] COND FALSE !(__VERIFIER_nondet_int()) [L1311] COND FALSE !(__VERIFIER_nondet_int()) [L1327] COND FALSE !(__VERIFIER_nondet_int()) [L1343] COND FALSE !(__VERIFIER_nondet_int()) [L1359] COND FALSE !(__VERIFIER_nondet_int()) [L1375] COND FALSE !(__VERIFIER_nondet_int()) [L1391] COND FALSE !(__VERIFIER_nondet_int()) [L1407] COND FALSE !(__VERIFIER_nondet_int()) [L1423] COND FALSE !(__VERIFIER_nondet_int()) [L1439] COND FALSE !(__VERIFIER_nondet_int()) [L1455] COND FALSE !(__VERIFIER_nondet_int()) [L1471] COND FALSE !(__VERIFIER_nondet_int()) [L1487] COND FALSE !(__VERIFIER_nondet_int()) [L1503] COND FALSE !(__VERIFIER_nondet_int()) [L1519] COND FALSE !(__VERIFIER_nondet_int()) [L1535] COND FALSE !(__VERIFIER_nondet_int()) [L1551] COND FALSE !(__VERIFIER_nondet_int()) [L1567] COND FALSE !(__VERIFIER_nondet_int()) [L1583] COND FALSE !(__VERIFIER_nondet_int()) [L1599] COND FALSE !(__VERIFIER_nondet_int()) [L1615] COND FALSE !(__VERIFIER_nondet_int()) [L1631] COND FALSE !(__VERIFIER_nondet_int()) [L1647] COND FALSE !(__VERIFIER_nondet_int()) [L1663] COND FALSE !(__VERIFIER_nondet_int()) [L1679] COND FALSE !(__VERIFIER_nondet_int()) [L1695] COND FALSE !(__VERIFIER_nondet_int()) [L1711] COND FALSE !(__VERIFIER_nondet_int()) [L1727] COND FALSE !(__VERIFIER_nondet_int()) [L1743] COND FALSE !(__VERIFIER_nondet_int()) [L1759] COND FALSE !(__VERIFIER_nondet_int()) [L1775] COND FALSE !(__VERIFIER_nondet_int()) [L1791] COND FALSE !(__VERIFIER_nondet_int()) [L1807] COND FALSE !(__VERIFIER_nondet_int()) [L1823] COND FALSE !(__VERIFIER_nondet_int()) [L1839] COND FALSE !(__VERIFIER_nondet_int()) [L1855] COND FALSE !(__VERIFIER_nondet_int()) [L1871] COND FALSE !(__VERIFIER_nondet_int()) [L1887] COND FALSE !(__VERIFIER_nondet_int()) [L1903] COND FALSE !(__VERIFIER_nondet_int()) [L1919] COND FALSE !(__VERIFIER_nondet_int()) [L1935] COND FALSE !(__VERIFIER_nondet_int()) [L1951] COND FALSE !(__VERIFIER_nondet_int()) [L1967] COND FALSE !(__VERIFIER_nondet_int()) [L1983] COND FALSE !(__VERIFIER_nondet_int()) [L1999] COND FALSE !(__VERIFIER_nondet_int()) [L2015] COND FALSE !(__VERIFIER_nondet_int()) [L2031] COND FALSE !(__VERIFIER_nondet_int()) [L2047] COND FALSE !(__VERIFIER_nondet_int()) [L2063] COND TRUE __VERIFIER_nondet_int() [L2065] COND TRUE (P1 != 0) [L2067] method_id = 55 VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P18=0, P19=1, P1=1, P20=0, P21=0, P22=0, P23=0, P24=0, P25=0, P26=0, P27=0, P28=0, P29=1, P2=0, P30=0, P3=1, P4=1, P5=1, P6=0, P7=0, P8=0, P9=0, m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, method_id=55, q=2, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=1, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] [L2069] COND TRUE ((this_factory != 0) && (P29 != 0)) VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P18=0, P19=1, P1=1, P20=0, P21=0, P22=0, P23=0, P24=0, P25=0, P26=0, P27=0, P28=0, P29=1, P2=0, P30=0, P3=1, P4=1, P5=1, P6=0, P7=0, P8=0, P9=0, m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, method_id=55, q=2, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=1, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] [L49140] reach_error() VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P18=0, P19=1, P1=1, P20=0, P21=0, P22=0, P23=0, P24=0, P25=0, P26=0, P27=0, P28=0, P29=1, P2=0, P30=0, P3=1, P4=1, P5=1, P6=0, P7=0, P8=0, P9=0, m_Socket=39, m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, method_id=55, q=2, this_bound=0, this_closed=0, this_connected=0, this_created=0, this_factory=1, this_impl=1, this_oldImpl=0, this_shutIn=0, this_shutOut=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9209 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 97.5s, OverallIterations: 30, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 77.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207605 SdHoareTripleChecker+Valid, 65.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207605 mSDsluCounter, 531014 SdHoareTripleChecker+Invalid, 55.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 202328 mSDsCounter, 20856 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60554 IncrementalHoareTripleChecker+Invalid, 81410 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20856 mSolverCounterUnsat, 328686 mSDtfsCounter, 60554 mSolverCounterSat, 1.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71075occurred in iteration=15, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 14.5s AutomataMinimizationTime, 29 MinimizatonAttempts, 23966 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2410 NumberOfCodeBlocks, 2410 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 2194 ConstructedInterpolants, 0 QuantifiedInterpolants, 7013 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 291/291 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-29 01:47:51,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ac4c7e-0685-4384-bf75-6e8ce1433b99/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE