./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 820426658db97058309ccbf6c9080e1e23ba9878004c38e814dfcfedaf40875a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 01:43:19,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 01:43:19,404 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 01:43:19,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 01:43:19,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 01:43:19,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 01:43:19,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 01:43:19,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 01:43:19,448 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 01:43:19,449 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 01:43:19,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 01:43:19,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 01:43:19,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 01:43:19,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 01:43:19,451 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 01:43:19,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 01:43:19,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 01:43:19,452 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 01:43:19,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 01:43:19,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 01:43:19,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 01:43:19,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 01:43:19,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 01:43:19,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 01:43:19,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 01:43:19,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 01:43:19,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 01:43:19,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 01:43:19,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 01:43:19,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 01:43:19,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 01:43:19,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 01:43:19,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:43:19,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 01:43:19,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 01:43:19,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 01:43:19,463 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 01:43:19,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 01:43:19,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 01:43:19,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 01:43:19,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 01:43:19,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 01:43:19,466 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 820426658db97058309ccbf6c9080e1e23ba9878004c38e814dfcfedaf40875a [2024-10-24 01:43:19,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 01:43:19,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 01:43:19,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 01:43:19,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 01:43:19,780 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 01:43:19,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-24 01:43:21,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 01:43:21,719 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 01:43:21,720 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-24 01:43:21,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a67e6f05b/73b0ff5b4cf14dc7a285a14ceed7fe8e/FLAG922fe6dfd [2024-10-24 01:43:21,770 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a67e6f05b/73b0ff5b4cf14dc7a285a14ceed7fe8e [2024-10-24 01:43:21,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 01:43:21,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 01:43:21,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 01:43:21,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 01:43:21,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 01:43:21,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:21" (1/1) ... [2024-10-24 01:43:21,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe3624f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21, skipping insertion in model container [2024-10-24 01:43:21,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:21" (1/1) ... [2024-10-24 01:43:21,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 01:43:22,328 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11898,11911] [2024-10-24 01:43:22,377 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18616,18629] [2024-10-24 01:43:22,405 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20814,20827] [2024-10-24 01:43:22,415 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21891,21904] [2024-10-24 01:43:22,432 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25244,25257] [2024-10-24 01:43:22,439 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26324,26337] [2024-10-24 01:43:22,460 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28553,28566] [2024-10-24 01:43:22,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:43:22,829 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 01:43:22,887 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11898,11911] [2024-10-24 01:43:22,918 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18616,18629] [2024-10-24 01:43:22,931 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20814,20827] [2024-10-24 01:43:22,938 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21891,21904] [2024-10-24 01:43:22,961 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25244,25257] [2024-10-24 01:43:22,968 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26324,26337] [2024-10-24 01:43:22,981 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28553,28566] [2024-10-24 01:43:23,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:43:23,242 INFO L204 MainTranslator]: Completed translation [2024-10-24 01:43:23,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23 WrapperNode [2024-10-24 01:43:23,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 01:43:23,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 01:43:23,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 01:43:23,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 01:43:23,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,502 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7044 [2024-10-24 01:43:23,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 01:43:23,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 01:43:23,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 01:43:23,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 01:43:23,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,540 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,616 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]. [2024-10-24 01:43:23,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 01:43:23,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 01:43:23,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 01:43:23,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 01:43:23,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (1/1) ... [2024-10-24 01:43:23,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:43:23,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:43:23,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 01:43:23,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 01:43:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 01:43:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 01:43:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 01:43:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 01:43:24,224 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 01:43:24,227 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 01:43:27,497 INFO L? ?]: Removed 1112 outVars from TransFormulas that were not future-live. [2024-10-24 01:43:27,498 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 01:43:27,595 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 01:43:27,595 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 01:43:27,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:43:27 BoogieIcfgContainer [2024-10-24 01:43:27,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 01:43:27,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 01:43:27,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 01:43:27,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 01:43:27,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:43:21" (1/3) ... [2024-10-24 01:43:27,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd9142d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:43:27, skipping insertion in model container [2024-10-24 01:43:27,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:23" (2/3) ... [2024-10-24 01:43:27,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd9142d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:43:27, skipping insertion in model container [2024-10-24 01:43:27,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:43:27" (3/3) ... [2024-10-24 01:43:27,610 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-24 01:43:27,628 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 01:43:27,628 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-10-24 01:43:27,732 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 01:43:27,742 INFO L333 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, 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;@6d0f52ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 01:43:27,743 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-24 01:43:27,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 1100 states, 1092 states have (on average 1.8891941391941391) internal successors, (2063), 1099 states have internal predecessors, (2063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 01:43:27,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:27,776 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:27,780 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:27,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:27,785 INFO L85 PathProgramCache]: Analyzing trace with hash -966255617, now seen corresponding path program 1 times [2024-10-24 01:43:27,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:27,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908345097] [2024-10-24 01:43:27,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:27,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:28,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:28,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908345097] [2024-10-24 01:43:28,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908345097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:28,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:28,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:43:28,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303554452] [2024-10-24 01:43:28,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:28,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:43:28,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:28,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:43:28,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:43:28,429 INFO L87 Difference]: Start difference. First operand has 1100 states, 1092 states have (on average 1.8891941391941391) internal successors, (2063), 1099 states have internal predecessors, (2063), 0 states have call successors, (0), 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 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:29,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:29,412 INFO L93 Difference]: Finished difference Result 1682 states and 3067 transitions. [2024-10-24 01:43:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:43:29,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-10-24 01:43:29,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:29,432 INFO L225 Difference]: With dead ends: 1682 [2024-10-24 01:43:29,433 INFO L226 Difference]: Without dead ends: 1061 [2024-10-24 01:43:29,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:43:29,441 INFO L432 NwaCegarLoop]: 1146 mSDtfsCounter, 5417 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5417 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:29,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5417 Valid, 1339 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:43:29,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2024-10-24 01:43:29,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1053. [2024-10-24 01:43:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 1046 states have (on average 1.3231357552581262) internal successors, (1384), 1052 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1384 transitions. [2024-10-24 01:43:29,532 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1384 transitions. Word has length 62 [2024-10-24 01:43:29,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:29,533 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1384 transitions. [2024-10-24 01:43:29,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1384 transitions. [2024-10-24 01:43:29,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 01:43:29,536 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:29,537 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:29,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 01:43:29,537 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:29,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:29,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1187989298, now seen corresponding path program 1 times [2024-10-24 01:43:29,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:29,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235337429] [2024-10-24 01:43:29,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:29,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:29,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:29,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235337429] [2024-10-24 01:43:29,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235337429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:29,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:29,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:29,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134286938] [2024-10-24 01:43:29,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:29,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:29,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:29,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:29,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:29,714 INFO L87 Difference]: Start difference. First operand 1053 states and 1384 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:29,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:29,846 INFO L93 Difference]: Finished difference Result 1620 states and 2222 transitions. [2024-10-24 01:43:29,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:29,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-10-24 01:43:29,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:29,853 INFO L225 Difference]: With dead ends: 1620 [2024-10-24 01:43:29,854 INFO L226 Difference]: Without dead ends: 1336 [2024-10-24 01:43:29,858 INFO L431 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 [2024-10-24 01:43:29,859 INFO L432 NwaCegarLoop]: 1169 mSDtfsCounter, 573 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:29,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 1941 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:29,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2024-10-24 01:43:29,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1328. [2024-10-24 01:43:29,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 1321 states have (on average 1.3504920514761545) internal successors, (1784), 1327 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1784 transitions. [2024-10-24 01:43:29,896 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1784 transitions. Word has length 62 [2024-10-24 01:43:29,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:29,897 INFO L471 AbstractCegarLoop]: Abstraction has 1328 states and 1784 transitions. [2024-10-24 01:43:29,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1784 transitions. [2024-10-24 01:43:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 01:43:29,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:29,900 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:29,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 01:43:29,902 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:29,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:29,907 INFO L85 PathProgramCache]: Analyzing trace with hash -369366517, now seen corresponding path program 1 times [2024-10-24 01:43:29,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:29,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136987796] [2024-10-24 01:43:29,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:29,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:30,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:30,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136987796] [2024-10-24 01:43:30,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136987796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:30,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:30,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:30,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165763820] [2024-10-24 01:43:30,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:30,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:30,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:30,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:30,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:30,045 INFO L87 Difference]: Start difference. First operand 1328 states and 1784 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:30,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:30,113 INFO L93 Difference]: Finished difference Result 2107 states and 2940 transitions. [2024-10-24 01:43:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:30,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-10-24 01:43:30,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:30,122 INFO L225 Difference]: With dead ends: 2107 [2024-10-24 01:43:30,126 INFO L226 Difference]: Without dead ends: 1608 [2024-10-24 01:43:30,127 INFO L431 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 [2024-10-24 01:43:30,129 INFO L432 NwaCegarLoop]: 1184 mSDtfsCounter, 707 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:30,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 1846 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:30,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2024-10-24 01:43:30,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1598. [2024-10-24 01:43:30,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 1591 states have (on average 1.365179132620993) internal successors, (2172), 1597 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:30,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2172 transitions. [2024-10-24 01:43:30,203 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2172 transitions. Word has length 62 [2024-10-24 01:43:30,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:30,204 INFO L471 AbstractCegarLoop]: Abstraction has 1598 states and 2172 transitions. [2024-10-24 01:43:30,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:30,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2172 transitions. [2024-10-24 01:43:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 01:43:30,208 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:30,208 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:30,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 01:43:30,209 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:30,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:30,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1656441469, now seen corresponding path program 1 times [2024-10-24 01:43:30,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:30,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807368824] [2024-10-24 01:43:30,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:30,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:30,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:30,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:30,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807368824] [2024-10-24 01:43:30,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807368824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:30,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:30,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:43:30,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844265283] [2024-10-24 01:43:30,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:30,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:43:30,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:30,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:43:30,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:43:30,412 INFO L87 Difference]: Start difference. First operand 1598 states and 2172 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:30,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:30,995 INFO L93 Difference]: Finished difference Result 3396 states and 4762 transitions. [2024-10-24 01:43:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:43:30,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-10-24 01:43:30,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:31,006 INFO L225 Difference]: With dead ends: 3396 [2024-10-24 01:43:31,006 INFO L226 Difference]: Without dead ends: 2045 [2024-10-24 01:43:31,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:43:31,011 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 3182 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3182 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:31,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3182 Valid, 733 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:43:31,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2045 states. [2024-10-24 01:43:31,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2045 to 2037. [2024-10-24 01:43:31,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2037 states, 2030 states have (on average 1.4133004926108375) internal successors, (2869), 2036 states have internal predecessors, (2869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 2037 states and 2869 transitions. [2024-10-24 01:43:31,057 INFO L78 Accepts]: Start accepts. Automaton has 2037 states and 2869 transitions. Word has length 62 [2024-10-24 01:43:31,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:31,059 INFO L471 AbstractCegarLoop]: Abstraction has 2037 states and 2869 transitions. [2024-10-24 01:43:31,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2869 transitions. [2024-10-24 01:43:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 01:43:31,063 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:31,063 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:31,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 01:43:31,064 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:31,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:31,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1951931054, now seen corresponding path program 1 times [2024-10-24 01:43:31,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:31,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14019541] [2024-10-24 01:43:31,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:31,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:31,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:31,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14019541] [2024-10-24 01:43:31,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14019541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:31,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:31,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:31,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327649480] [2024-10-24 01:43:31,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:31,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:31,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:31,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:31,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:31,184 INFO L87 Difference]: Start difference. First operand 2037 states and 2869 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) [2024-10-24 01:43:31,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:31,232 INFO L93 Difference]: Finished difference Result 4150 states and 5929 transitions. [2024-10-24 01:43:31,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:31,233 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 [2024-10-24 01:43:31,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:31,243 INFO L225 Difference]: With dead ends: 4150 [2024-10-24 01:43:31,243 INFO L226 Difference]: Without dead ends: 2829 [2024-10-24 01:43:31,246 INFO L431 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 [2024-10-24 01:43:31,247 INFO L432 NwaCegarLoop]: 1185 mSDtfsCounter, 739 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:31,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 1820 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:31,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2829 states. [2024-10-24 01:43:31,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2829 to 2815. [2024-10-24 01:43:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2808 states have (on average 1.3977920227920229) internal successors, (3925), 2814 states have internal predecessors, (3925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:31,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3925 transitions. [2024-10-24 01:43:31,312 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3925 transitions. Word has length 63 [2024-10-24 01:43:31,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:31,313 INFO L471 AbstractCegarLoop]: Abstraction has 2815 states and 3925 transitions. [2024-10-24 01:43:31,313 INFO L472 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) [2024-10-24 01:43:31,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3925 transitions. [2024-10-24 01:43:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 01:43:31,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:31,318 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:31,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 01:43:31,318 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:31,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:31,319 INFO L85 PathProgramCache]: Analyzing trace with hash 55124087, now seen corresponding path program 1 times [2024-10-24 01:43:31,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:31,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058841068] [2024-10-24 01:43:31,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:31,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:31,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:31,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058841068] [2024-10-24 01:43:31,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058841068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:31,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:31,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:43:31,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313477026] [2024-10-24 01:43:31,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:31,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:43:31,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:31,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:43:31,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:43:31,542 INFO L87 Difference]: Start difference. First operand 2815 states and 3925 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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) [2024-10-24 01:43:32,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:32,066 INFO L93 Difference]: Finished difference Result 5755 states and 8123 transitions. [2024-10-24 01:43:32,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:43:32,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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 [2024-10-24 01:43:32,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:32,083 INFO L225 Difference]: With dead ends: 5755 [2024-10-24 01:43:32,083 INFO L226 Difference]: Without dead ends: 3426 [2024-10-24 01:43:32,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:43:32,090 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 2665 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2665 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:32,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2665 Valid, 618 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:43:32,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3426 states. [2024-10-24 01:43:32,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3426 to 3409. [2024-10-24 01:43:32,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3409 states, 3402 states have (on average 1.3930041152263375) internal successors, (4739), 3408 states have internal predecessors, (4739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:32,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 4739 transitions. [2024-10-24 01:43:32,172 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 4739 transitions. Word has length 63 [2024-10-24 01:43:32,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:32,173 INFO L471 AbstractCegarLoop]: Abstraction has 3409 states and 4739 transitions. [2024-10-24 01:43:32,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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) [2024-10-24 01:43:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 4739 transitions. [2024-10-24 01:43:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-24 01:43:32,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:32,178 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:32,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 01:43:32,178 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:32,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:32,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1411626804, now seen corresponding path program 1 times [2024-10-24 01:43:32,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:32,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927063226] [2024-10-24 01:43:32,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:32,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:32,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:32,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:32,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927063226] [2024-10-24 01:43:32,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927063226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:32,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:32,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:43:32,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13600517] [2024-10-24 01:43:32,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:32,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:43:32,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:32,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:43:32,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:43:32,319 INFO L87 Difference]: Start difference. First operand 3409 states and 4739 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:32,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:32,765 INFO L93 Difference]: Finished difference Result 8601 states and 12191 transitions. [2024-10-24 01:43:32,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:43:32,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-10-24 01:43:32,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:32,784 INFO L225 Difference]: With dead ends: 8601 [2024-10-24 01:43:32,785 INFO L226 Difference]: Without dead ends: 5429 [2024-10-24 01:43:32,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:43:32,791 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 2453 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:32,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 590 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:43:32,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5429 states. [2024-10-24 01:43:32,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5429 to 5421. [2024-10-24 01:43:32,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5421 states, 5414 states have (on average 1.4154045068341337) internal successors, (7663), 5420 states have internal predecessors, (7663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:32,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5421 states to 5421 states and 7663 transitions. [2024-10-24 01:43:32,931 INFO L78 Accepts]: Start accepts. Automaton has 5421 states and 7663 transitions. Word has length 64 [2024-10-24 01:43:32,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:32,931 INFO L471 AbstractCegarLoop]: Abstraction has 5421 states and 7663 transitions. [2024-10-24 01:43:32,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:32,932 INFO L276 IsEmpty]: Start isEmpty. Operand 5421 states and 7663 transitions. [2024-10-24 01:43:32,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-24 01:43:32,936 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:32,936 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:32,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 01:43:32,937 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:32,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:32,937 INFO L85 PathProgramCache]: Analyzing trace with hash 257868933, now seen corresponding path program 1 times [2024-10-24 01:43:32,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:32,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174098890] [2024-10-24 01:43:32,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:32,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:33,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:33,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174098890] [2024-10-24 01:43:33,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174098890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:33,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:33,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:33,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422658235] [2024-10-24 01:43:33,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:33,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:33,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:33,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:33,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:33,017 INFO L87 Difference]: Start difference. First operand 5421 states and 7663 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:33,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:33,080 INFO L93 Difference]: Finished difference Result 11855 states and 16870 transitions. [2024-10-24 01:43:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:33,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2024-10-24 01:43:33,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:33,106 INFO L225 Difference]: With dead ends: 11855 [2024-10-24 01:43:33,107 INFO L226 Difference]: Without dead ends: 7451 [2024-10-24 01:43:33,115 INFO L431 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 [2024-10-24 01:43:33,115 INFO L432 NwaCegarLoop]: 830 mSDtfsCounter, 496 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:33,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 1351 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:33,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7451 states. [2024-10-24 01:43:33,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7451 to 7416. [2024-10-24 01:43:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7416 states, 7409 states have (on average 1.3914158455931975) internal successors, (10309), 7415 states have internal predecessors, (10309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:33,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7416 states to 7416 states and 10309 transitions. [2024-10-24 01:43:33,277 INFO L78 Accepts]: Start accepts. Automaton has 7416 states and 10309 transitions. Word has length 65 [2024-10-24 01:43:33,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:33,277 INFO L471 AbstractCegarLoop]: Abstraction has 7416 states and 10309 transitions. [2024-10-24 01:43:33,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 7416 states and 10309 transitions. [2024-10-24 01:43:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 01:43:33,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:33,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:33,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 01:43:33,285 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:33,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:33,285 INFO L85 PathProgramCache]: Analyzing trace with hash 868506865, now seen corresponding path program 1 times [2024-10-24 01:43:33,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:33,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459709025] [2024-10-24 01:43:33,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:33,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:33,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:33,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459709025] [2024-10-24 01:43:33,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459709025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:33,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:33,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:33,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713943245] [2024-10-24 01:43:33,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:33,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:43:33,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:33,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:43:33,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:43:33,509 INFO L87 Difference]: Start difference. First operand 7416 states and 10309 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:34,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:34,173 INFO L93 Difference]: Finished difference Result 15574 states and 21939 transitions. [2024-10-24 01:43:34,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:43:34,174 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2024-10-24 01:43:34,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:34,198 INFO L225 Difference]: With dead ends: 15574 [2024-10-24 01:43:34,198 INFO L226 Difference]: Without dead ends: 12029 [2024-10-24 01:43:34,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:43:34,208 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 2861 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2861 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:34,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2861 Valid, 1052 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:43:34,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12029 states. [2024-10-24 01:43:34,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12029 to 7444. [2024-10-24 01:43:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7444 states, 7437 states have (on average 1.391017883555197) internal successors, (10345), 7443 states have internal predecessors, (10345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7444 states to 7444 states and 10345 transitions. [2024-10-24 01:43:34,377 INFO L78 Accepts]: Start accepts. Automaton has 7444 states and 10345 transitions. Word has length 66 [2024-10-24 01:43:34,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:34,377 INFO L471 AbstractCegarLoop]: Abstraction has 7444 states and 10345 transitions. [2024-10-24 01:43:34,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 7444 states and 10345 transitions. [2024-10-24 01:43:34,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 01:43:34,385 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:34,385 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:34,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 01:43:34,386 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:34,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:34,387 INFO L85 PathProgramCache]: Analyzing trace with hash -115804627, now seen corresponding path program 1 times [2024-10-24 01:43:34,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:34,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843259909] [2024-10-24 01:43:34,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:34,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:34,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:34,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843259909] [2024-10-24 01:43:34,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843259909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:34,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:34,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:34,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579165947] [2024-10-24 01:43:34,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:34,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:43:34,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:34,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:43:34,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:43:34,583 INFO L87 Difference]: Start difference. First operand 7444 states and 10345 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:35,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:35,365 INFO L93 Difference]: Finished difference Result 17214 states and 24294 transitions. [2024-10-24 01:43:35,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:43:35,366 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2024-10-24 01:43:35,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:35,394 INFO L225 Difference]: With dead ends: 17214 [2024-10-24 01:43:35,395 INFO L226 Difference]: Without dead ends: 14117 [2024-10-24 01:43:35,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:43:35,405 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 3032 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:35,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3032 Valid, 1077 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:43:35,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14117 states. [2024-10-24 01:43:35,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14117 to 7515. [2024-10-24 01:43:35,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7515 states, 7508 states have (on average 1.391049547149707) internal successors, (10444), 7514 states have internal predecessors, (10444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7515 states to 7515 states and 10444 transitions. [2024-10-24 01:43:35,644 INFO L78 Accepts]: Start accepts. Automaton has 7515 states and 10444 transitions. Word has length 66 [2024-10-24 01:43:35,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:35,645 INFO L471 AbstractCegarLoop]: Abstraction has 7515 states and 10444 transitions. [2024-10-24 01:43:35,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:35,645 INFO L276 IsEmpty]: Start isEmpty. Operand 7515 states and 10444 transitions. [2024-10-24 01:43:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 01:43:35,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:35,652 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:35,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 01:43:35,653 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:35,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:35,653 INFO L85 PathProgramCache]: Analyzing trace with hash 31518793, now seen corresponding path program 1 times [2024-10-24 01:43:35,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:35,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227929356] [2024-10-24 01:43:35,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:35,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:35,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:35,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227929356] [2024-10-24 01:43:35,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227929356] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:35,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:35,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:35,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208387520] [2024-10-24 01:43:35,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:35,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:43:35,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:35,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:43:35,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:43:35,828 INFO L87 Difference]: Start difference. First operand 7515 states and 10444 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:36,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:36,395 INFO L93 Difference]: Finished difference Result 21305 states and 30195 transitions. [2024-10-24 01:43:36,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:43:36,396 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2024-10-24 01:43:36,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:36,430 INFO L225 Difference]: With dead ends: 21305 [2024-10-24 01:43:36,430 INFO L226 Difference]: Without dead ends: 17762 [2024-10-24 01:43:36,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:43:36,442 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 3205 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3205 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:36,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3205 Valid, 1114 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:43:36,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17762 states. [2024-10-24 01:43:36,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17762 to 7583. [2024-10-24 01:43:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7583 states, 7576 states have (on average 1.3901795142555438) internal successors, (10532), 7582 states have internal predecessors, (10532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:36,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7583 states to 7583 states and 10532 transitions. [2024-10-24 01:43:36,679 INFO L78 Accepts]: Start accepts. Automaton has 7583 states and 10532 transitions. Word has length 66 [2024-10-24 01:43:36,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:36,680 INFO L471 AbstractCegarLoop]: Abstraction has 7583 states and 10532 transitions. [2024-10-24 01:43:36,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:36,680 INFO L276 IsEmpty]: Start isEmpty. Operand 7583 states and 10532 transitions. [2024-10-24 01:43:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 01:43:36,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:36,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:36,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 01:43:36,690 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:36,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:36,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1680186821, now seen corresponding path program 1 times [2024-10-24 01:43:36,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:36,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037024749] [2024-10-24 01:43:36,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:36,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:36,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:36,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037024749] [2024-10-24 01:43:36,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037024749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:36,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:36,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:36,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74407074] [2024-10-24 01:43:36,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:36,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:43:36,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:36,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:43:36,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:43:36,875 INFO L87 Difference]: Start difference. First operand 7583 states and 10532 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:37,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:37,414 INFO L93 Difference]: Finished difference Result 19403 states and 27434 transitions. [2024-10-24 01:43:37,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:43:37,414 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2024-10-24 01:43:37,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:37,443 INFO L225 Difference]: With dead ends: 19403 [2024-10-24 01:43:37,444 INFO L226 Difference]: Without dead ends: 16042 [2024-10-24 01:43:37,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:43:37,454 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 3109 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:37,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 1096 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:43:37,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16042 states. [2024-10-24 01:43:37,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16042 to 7712. [2024-10-24 01:43:37,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7712 states, 7705 states have (on average 1.3890979883192731) internal successors, (10703), 7711 states have internal predecessors, (10703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7712 states to 7712 states and 10703 transitions. [2024-10-24 01:43:37,694 INFO L78 Accepts]: Start accepts. Automaton has 7712 states and 10703 transitions. Word has length 66 [2024-10-24 01:43:37,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:37,694 INFO L471 AbstractCegarLoop]: Abstraction has 7712 states and 10703 transitions. [2024-10-24 01:43:37,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 7712 states and 10703 transitions. [2024-10-24 01:43:37,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-24 01:43:37,702 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:37,702 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:37,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 01:43:37,704 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:37,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:37,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1923868673, now seen corresponding path program 1 times [2024-10-24 01:43:37,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:37,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635522269] [2024-10-24 01:43:37,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:37,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:38,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:38,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:38,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635522269] [2024-10-24 01:43:38,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635522269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:38,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:38,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:43:38,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355047097] [2024-10-24 01:43:38,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:38,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:43:38,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:38,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:43:38,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:43:38,137 INFO L87 Difference]: Start difference. First operand 7712 states and 10703 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:39,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:39,083 INFO L93 Difference]: Finished difference Result 16121 states and 22765 transitions. [2024-10-24 01:43:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:39,084 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-10-24 01:43:39,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:39,102 INFO L225 Difference]: With dead ends: 16121 [2024-10-24 01:43:39,102 INFO L226 Difference]: Without dead ends: 11482 [2024-10-24 01:43:39,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:43:39,113 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 2144 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2144 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:39,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2144 Valid, 2095 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:43:39,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11482 states. [2024-10-24 01:43:39,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11482 to 7703. [2024-10-24 01:43:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7703 states, 7696 states have (on average 1.3883835758835759) internal successors, (10685), 7702 states have internal predecessors, (10685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7703 states to 7703 states and 10685 transitions. [2024-10-24 01:43:39,284 INFO L78 Accepts]: Start accepts. Automaton has 7703 states and 10685 transitions. Word has length 67 [2024-10-24 01:43:39,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:39,284 INFO L471 AbstractCegarLoop]: Abstraction has 7703 states and 10685 transitions. [2024-10-24 01:43:39,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 7703 states and 10685 transitions. [2024-10-24 01:43:39,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-24 01:43:39,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:39,292 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:39,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 01:43:39,292 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:39,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:39,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1803782915, now seen corresponding path program 1 times [2024-10-24 01:43:39,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:39,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856848726] [2024-10-24 01:43:39,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:39,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:39,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:39,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:39,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856848726] [2024-10-24 01:43:39,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856848726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:39,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:39,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:43:39,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533567696] [2024-10-24 01:43:39,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:39,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:43:39,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:39,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:43:39,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:43:39,642 INFO L87 Difference]: Start difference. First operand 7703 states and 10685 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:40,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:40,449 INFO L93 Difference]: Finished difference Result 16267 states and 22982 transitions. [2024-10-24 01:43:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:40,450 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-10-24 01:43:40,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:40,465 INFO L225 Difference]: With dead ends: 16267 [2024-10-24 01:43:40,465 INFO L226 Difference]: Without dead ends: 11598 [2024-10-24 01:43:40,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:43:40,475 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 1501 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:40,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 2069 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:43:40,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11598 states. [2024-10-24 01:43:40,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11598 to 7679. [2024-10-24 01:43:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7679 states, 7672 states have (on average 1.387643378519291) internal successors, (10646), 7678 states have internal predecessors, (10646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:40,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7679 states to 7679 states and 10646 transitions. [2024-10-24 01:43:40,699 INFO L78 Accepts]: Start accepts. Automaton has 7679 states and 10646 transitions. Word has length 67 [2024-10-24 01:43:40,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:40,700 INFO L471 AbstractCegarLoop]: Abstraction has 7679 states and 10646 transitions. [2024-10-24 01:43:40,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:40,700 INFO L276 IsEmpty]: Start isEmpty. Operand 7679 states and 10646 transitions. [2024-10-24 01:43:40,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-24 01:43:40,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:40,710 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:40,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 01:43:40,711 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:40,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:40,712 INFO L85 PathProgramCache]: Analyzing trace with hash -306757220, now seen corresponding path program 1 times [2024-10-24 01:43:40,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:40,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136786437] [2024-10-24 01:43:40,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:40,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:40,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:40,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136786437] [2024-10-24 01:43:40,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136786437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:40,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:40,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:40,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491336060] [2024-10-24 01:43:40,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:40,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:43:40,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:40,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:43:40,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:43:40,908 INFO L87 Difference]: Start difference. First operand 7679 states and 10646 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:41,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:41,556 INFO L93 Difference]: Finished difference Result 17432 states and 24570 transitions. [2024-10-24 01:43:41,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:43:41,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-10-24 01:43:41,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:41,573 INFO L225 Difference]: With dead ends: 17432 [2024-10-24 01:43:41,573 INFO L226 Difference]: Without dead ends: 14335 [2024-10-24 01:43:41,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:43:41,580 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 3020 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3020 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:41,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3020 Valid, 1077 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:43:41,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14335 states. [2024-10-24 01:43:41,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14335 to 7748. [2024-10-24 01:43:41,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7748 states, 7741 states have (on average 1.3878051931275028) internal successors, (10743), 7747 states have internal predecessors, (10743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7748 states to 7748 states and 10743 transitions. [2024-10-24 01:43:41,730 INFO L78 Accepts]: Start accepts. Automaton has 7748 states and 10743 transitions. Word has length 67 [2024-10-24 01:43:41,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:41,731 INFO L471 AbstractCegarLoop]: Abstraction has 7748 states and 10743 transitions. [2024-10-24 01:43:41,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:41,731 INFO L276 IsEmpty]: Start isEmpty. Operand 7748 states and 10743 transitions. [2024-10-24 01:43:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-24 01:43:41,739 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:41,739 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:41,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 01:43:41,739 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:41,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:41,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1173964284, now seen corresponding path program 1 times [2024-10-24 01:43:41,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:41,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274589778] [2024-10-24 01:43:41,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:41,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:42,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:42,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:42,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274589778] [2024-10-24 01:43:42,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274589778] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:42,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:42,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:43:42,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957077850] [2024-10-24 01:43:42,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:42,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:43:42,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:42,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:43:42,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:43:42,095 INFO L87 Difference]: Start difference. First operand 7748 states and 10743 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:42,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:42,878 INFO L93 Difference]: Finished difference Result 16424 states and 23194 transitions. [2024-10-24 01:43:42,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:42,879 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-10-24 01:43:42,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:42,890 INFO L225 Difference]: With dead ends: 16424 [2024-10-24 01:43:42,890 INFO L226 Difference]: Without dead ends: 11531 [2024-10-24 01:43:42,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:43:42,897 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 2176 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2176 SdHoareTripleChecker+Valid, 2060 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:42,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2176 Valid, 2060 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1241 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:43:42,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11531 states. [2024-10-24 01:43:43,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11531 to 7613. [2024-10-24 01:43:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7613 states, 7606 states have (on average 1.3875887457270575) internal successors, (10554), 7612 states have internal predecessors, (10554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 10554 transitions. [2024-10-24 01:43:43,031 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 10554 transitions. Word has length 67 [2024-10-24 01:43:43,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:43,032 INFO L471 AbstractCegarLoop]: Abstraction has 7613 states and 10554 transitions. [2024-10-24 01:43:43,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:43,032 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 10554 transitions. [2024-10-24 01:43:43,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-24 01:43:43,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:43,043 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:43,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 01:43:43,043 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:43,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:43,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1514144732, now seen corresponding path program 1 times [2024-10-24 01:43:43,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:43,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156653280] [2024-10-24 01:43:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:43,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:43,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:43,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156653280] [2024-10-24 01:43:43,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156653280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:43,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:43,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:43,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846633542] [2024-10-24 01:43:43,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:43,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:43:43,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:43,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:43:43,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:43:43,440 INFO L87 Difference]: Start difference. First operand 7613 states and 10554 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:44,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:44,101 INFO L93 Difference]: Finished difference Result 15997 states and 22619 transitions. [2024-10-24 01:43:44,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 01:43:44,101 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-10-24 01:43:44,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:44,111 INFO L225 Difference]: With dead ends: 15997 [2024-10-24 01:43:44,112 INFO L226 Difference]: Without dead ends: 10604 [2024-10-24 01:43:44,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:43:44,119 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 1980 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 1066 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:44,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1980 Valid, 1559 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1066 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:43:44,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10604 states. [2024-10-24 01:43:44,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10604 to 7286. [2024-10-24 01:43:44,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7286 states, 7279 states have (on average 1.3863168017584833) internal successors, (10091), 7285 states have internal predecessors, (10091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:44,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7286 states to 7286 states and 10091 transitions. [2024-10-24 01:43:44,232 INFO L78 Accepts]: Start accepts. Automaton has 7286 states and 10091 transitions. Word has length 67 [2024-10-24 01:43:44,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:44,232 INFO L471 AbstractCegarLoop]: Abstraction has 7286 states and 10091 transitions. [2024-10-24 01:43:44,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:44,233 INFO L276 IsEmpty]: Start isEmpty. Operand 7286 states and 10091 transitions. [2024-10-24 01:43:44,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 01:43:44,238 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:44,238 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:44,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 01:43:44,239 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:44,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:44,239 INFO L85 PathProgramCache]: Analyzing trace with hash -906901590, now seen corresponding path program 1 times [2024-10-24 01:43:44,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:44,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998732782] [2024-10-24 01:43:44,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:44,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:44,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:44,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998732782] [2024-10-24 01:43:44,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998732782] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:44,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:44,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 01:43:44,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265813518] [2024-10-24 01:43:44,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:44,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 01:43:44,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:44,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 01:43:44,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:43:44,979 INFO L87 Difference]: Start difference. First operand 7286 states and 10091 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:45,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:45,691 INFO L93 Difference]: Finished difference Result 17083 states and 24262 transitions. [2024-10-24 01:43:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:43:45,692 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2024-10-24 01:43:45,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:45,706 INFO L225 Difference]: With dead ends: 17083 [2024-10-24 01:43:45,706 INFO L226 Difference]: Without dead ends: 12155 [2024-10-24 01:43:45,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-10-24 01:43:45,714 INFO L432 NwaCegarLoop]: 606 mSDtfsCounter, 4416 mSDsluCounter, 2151 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4416 SdHoareTripleChecker+Valid, 2757 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:45,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4416 Valid, 2757 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 01:43:45,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12155 states. [2024-10-24 01:43:45,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12155 to 6953. [2024-10-24 01:43:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6953 states, 6948 states have (on average 1.3890328151986182) internal successors, (9651), 6952 states have internal predecessors, (9651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6953 states to 6953 states and 9651 transitions. [2024-10-24 01:43:45,806 INFO L78 Accepts]: Start accepts. Automaton has 6953 states and 9651 transitions. Word has length 68 [2024-10-24 01:43:45,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:45,806 INFO L471 AbstractCegarLoop]: Abstraction has 6953 states and 9651 transitions. [2024-10-24 01:43:45,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 6953 states and 9651 transitions. [2024-10-24 01:43:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 01:43:45,811 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:45,812 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:45,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 01:43:45,812 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:45,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:45,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1518478363, now seen corresponding path program 1 times [2024-10-24 01:43:45,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:45,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724023577] [2024-10-24 01:43:45,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:45,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:46,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:46,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724023577] [2024-10-24 01:43:46,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724023577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:46,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:46,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 01:43:46,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036565024] [2024-10-24 01:43:46,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:46,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 01:43:46,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:46,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 01:43:46,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:43:46,513 INFO L87 Difference]: Start difference. First operand 6953 states and 9651 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:47,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:47,285 INFO L93 Difference]: Finished difference Result 16725 states and 23780 transitions. [2024-10-24 01:43:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:43:47,286 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2024-10-24 01:43:47,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:47,301 INFO L225 Difference]: With dead ends: 16725 [2024-10-24 01:43:47,302 INFO L226 Difference]: Without dead ends: 12021 [2024-10-24 01:43:47,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-24 01:43:47,309 INFO L432 NwaCegarLoop]: 554 mSDtfsCounter, 3610 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3610 SdHoareTripleChecker+Valid, 2927 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:47,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3610 Valid, 2927 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:43:47,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12021 states. [2024-10-24 01:43:47,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12021 to 6868. [2024-10-24 01:43:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6868 states, 6864 states have (on average 1.3873834498834499) internal successors, (9523), 6867 states have internal predecessors, (9523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:47,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6868 states to 6868 states and 9523 transitions. [2024-10-24 01:43:47,411 INFO L78 Accepts]: Start accepts. Automaton has 6868 states and 9523 transitions. Word has length 68 [2024-10-24 01:43:47,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:47,411 INFO L471 AbstractCegarLoop]: Abstraction has 6868 states and 9523 transitions. [2024-10-24 01:43:47,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 6868 states and 9523 transitions. [2024-10-24 01:43:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 01:43:47,415 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:47,415 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:47,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 01:43:47,416 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:47,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash 687154466, now seen corresponding path program 1 times [2024-10-24 01:43:47,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:47,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832358628] [2024-10-24 01:43:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:47,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:48,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:48,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832358628] [2024-10-24 01:43:48,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832358628] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:48,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:48,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:43:48,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922148799] [2024-10-24 01:43:48,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:48,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:43:48,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:48,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:43:48,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:43:48,202 INFO L87 Difference]: Start difference. First operand 6868 states and 9523 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:49,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:49,185 INFO L93 Difference]: Finished difference Result 23040 states and 32890 transitions. [2024-10-24 01:43:49,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:43:49,186 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2024-10-24 01:43:49,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:49,215 INFO L225 Difference]: With dead ends: 23040 [2024-10-24 01:43:49,216 INFO L226 Difference]: Without dead ends: 18202 [2024-10-24 01:43:49,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-10-24 01:43:49,231 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 3560 mSDsluCounter, 1547 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3560 SdHoareTripleChecker+Valid, 2007 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:49,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3560 Valid, 2007 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:43:49,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18202 states. [2024-10-24 01:43:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18202 to 6667. [2024-10-24 01:43:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6667 states, 6664 states have (on average 1.3865546218487395) internal successors, (9240), 6666 states have internal predecessors, (9240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6667 states to 6667 states and 9240 transitions. [2024-10-24 01:43:49,389 INFO L78 Accepts]: Start accepts. Automaton has 6667 states and 9240 transitions. Word has length 68 [2024-10-24 01:43:49,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:49,389 INFO L471 AbstractCegarLoop]: Abstraction has 6667 states and 9240 transitions. [2024-10-24 01:43:49,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:49,389 INFO L276 IsEmpty]: Start isEmpty. Operand 6667 states and 9240 transitions. [2024-10-24 01:43:49,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 01:43:49,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:49,392 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:49,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 01:43:49,393 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:49,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:49,393 INFO L85 PathProgramCache]: Analyzing trace with hash -289412261, now seen corresponding path program 1 times [2024-10-24 01:43:49,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:49,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150537893] [2024-10-24 01:43:49,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:49,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:49,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:49,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150537893] [2024-10-24 01:43:49,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150537893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:49,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:49,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 01:43:49,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094744919] [2024-10-24 01:43:49,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:49,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 01:43:49,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:49,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 01:43:49,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:43:49,936 INFO L87 Difference]: Start difference. First operand 6667 states and 9240 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:50,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:50,609 INFO L93 Difference]: Finished difference Result 16201 states and 23045 transitions. [2024-10-24 01:43:50,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:43:50,610 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2024-10-24 01:43:50,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:50,626 INFO L225 Difference]: With dead ends: 16201 [2024-10-24 01:43:50,626 INFO L226 Difference]: Without dead ends: 11568 [2024-10-24 01:43:50,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:43:50,635 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 1906 mSDsluCounter, 2584 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 3082 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:50,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1906 Valid, 3082 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:43:50,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11568 states. [2024-10-24 01:43:50,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11568 to 6653. [2024-10-24 01:43:50,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6653 states, 6651 states have (on average 1.3855059389565478) internal successors, (9215), 6652 states have internal predecessors, (9215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6653 states to 6653 states and 9215 transitions. [2024-10-24 01:43:50,787 INFO L78 Accepts]: Start accepts. Automaton has 6653 states and 9215 transitions. Word has length 68 [2024-10-24 01:43:50,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:50,787 INFO L471 AbstractCegarLoop]: Abstraction has 6653 states and 9215 transitions. [2024-10-24 01:43:50,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:50,787 INFO L276 IsEmpty]: Start isEmpty. Operand 6653 states and 9215 transitions. [2024-10-24 01:43:50,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 01:43:50,791 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:50,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:50,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 01:43:50,791 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:50,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:50,792 INFO L85 PathProgramCache]: Analyzing trace with hash -423669726, now seen corresponding path program 1 times [2024-10-24 01:43:50,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:50,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824344123] [2024-10-24 01:43:50,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:50,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:50,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:50,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:50,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824344123] [2024-10-24 01:43:50,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824344123] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:50,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:50,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:50,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907727173] [2024-10-24 01:43:50,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:50,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:50,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:50,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:50,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:50,861 INFO L87 Difference]: Start difference. First operand 6653 states and 9215 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:50,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:50,978 INFO L93 Difference]: Finished difference Result 13521 states and 18997 transitions. [2024-10-24 01:43:50,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:50,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-10-24 01:43:50,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:50,989 INFO L225 Difference]: With dead ends: 13521 [2024-10-24 01:43:50,990 INFO L226 Difference]: Without dead ends: 9443 [2024-10-24 01:43:50,996 INFO L431 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 [2024-10-24 01:43:50,997 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 379 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:50,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 521 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:51,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9443 states. [2024-10-24 01:43:51,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9443 to 9414. [2024-10-24 01:43:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9414 states, 9413 states have (on average 1.4109210666100074) internal successors, (13281), 9413 states have internal predecessors, (13281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9414 states to 9414 states and 13281 transitions. [2024-10-24 01:43:51,109 INFO L78 Accepts]: Start accepts. Automaton has 9414 states and 13281 transitions. Word has length 70 [2024-10-24 01:43:51,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:51,109 INFO L471 AbstractCegarLoop]: Abstraction has 9414 states and 13281 transitions. [2024-10-24 01:43:51,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 9414 states and 13281 transitions. [2024-10-24 01:43:51,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-24 01:43:51,124 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:51,124 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:51,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 01:43:51,124 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:51,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:51,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1512901918, now seen corresponding path program 1 times [2024-10-24 01:43:51,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:51,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803335498] [2024-10-24 01:43:51,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:51,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:51,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:51,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:51,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803335498] [2024-10-24 01:43:51,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803335498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:51,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:51,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:51,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193465757] [2024-10-24 01:43:51,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:51,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:43:51,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:51,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:43:51,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:43:51,259 INFO L87 Difference]: Start difference. First operand 9414 states and 13281 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:51,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:51,485 INFO L93 Difference]: Finished difference Result 47359 states and 68771 transitions. [2024-10-24 01:43:51,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:43:51,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 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 [2024-10-24 01:43:51,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:51,543 INFO L225 Difference]: With dead ends: 47359 [2024-10-24 01:43:51,543 INFO L226 Difference]: Without dead ends: 39770 [2024-10-24 01:43:51,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:43:51,564 INFO L432 NwaCegarLoop]: 401 mSDtfsCounter, 2038 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2038 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:51,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2038 Valid, 1181 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39770 states. [2024-10-24 01:43:51,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39770 to 17001. [2024-10-24 01:43:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17001 states, 17000 states have (on average 1.4181176470588235) internal successors, (24108), 17000 states have internal predecessors, (24108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17001 states to 17001 states and 24108 transitions. [2024-10-24 01:43:51,866 INFO L78 Accepts]: Start accepts. Automaton has 17001 states and 24108 transitions. Word has length 83 [2024-10-24 01:43:51,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:51,866 INFO L471 AbstractCegarLoop]: Abstraction has 17001 states and 24108 transitions. [2024-10-24 01:43:51,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 17001 states and 24108 transitions. [2024-10-24 01:43:51,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 01:43:51,877 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:51,877 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:51,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 01:43:51,878 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:51,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:51,878 INFO L85 PathProgramCache]: Analyzing trace with hash -344328049, now seen corresponding path program 1 times [2024-10-24 01:43:51,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:51,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699335004] [2024-10-24 01:43:51,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:51,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:52,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:52,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699335004] [2024-10-24 01:43:52,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699335004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:52,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:52,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:52,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332164536] [2024-10-24 01:43:52,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:52,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:43:52,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:52,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:43:52,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:43:52,085 INFO L87 Difference]: Start difference. First operand 17001 states and 24108 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:52,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:52,327 INFO L93 Difference]: Finished difference Result 28819 states and 40851 transitions. [2024-10-24 01:43:52,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:43:52,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2024-10-24 01:43:52,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:52,356 INFO L225 Difference]: With dead ends: 28819 [2024-10-24 01:43:52,356 INFO L226 Difference]: Without dead ends: 19549 [2024-10-24 01:43:52,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:43:52,370 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 1082 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:52,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1473 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:43:52,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19549 states. [2024-10-24 01:43:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19549 to 14425. [2024-10-24 01:43:52,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14425 states, 14424 states have (on average 1.3984331669439822) internal successors, (20171), 14424 states have internal predecessors, (20171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14425 states to 14425 states and 20171 transitions. [2024-10-24 01:43:52,536 INFO L78 Accepts]: Start accepts. Automaton has 14425 states and 20171 transitions. Word has length 84 [2024-10-24 01:43:52,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:52,537 INFO L471 AbstractCegarLoop]: Abstraction has 14425 states and 20171 transitions. [2024-10-24 01:43:52,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 14425 states and 20171 transitions. [2024-10-24 01:43:52,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-24 01:43:52,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:52,547 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:52,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 01:43:52,548 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:52,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:52,548 INFO L85 PathProgramCache]: Analyzing trace with hash -806089270, now seen corresponding path program 1 times [2024-10-24 01:43:52,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:52,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902784007] [2024-10-24 01:43:52,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:52,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:52,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:52,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902784007] [2024-10-24 01:43:52,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902784007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:52,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:52,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:52,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854651076] [2024-10-24 01:43:52,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:52,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:52,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:52,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:52,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:52,625 INFO L87 Difference]: Start difference. First operand 14425 states and 20171 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:52,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:52,693 INFO L93 Difference]: Finished difference Result 21715 states and 30417 transitions. [2024-10-24 01:43:52,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:52,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2024-10-24 01:43:52,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:52,710 INFO L225 Difference]: With dead ends: 21715 [2024-10-24 01:43:52,711 INFO L226 Difference]: Without dead ends: 12939 [2024-10-24 01:43:52,721 INFO L431 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 [2024-10-24 01:43:52,722 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 250 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:52,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 935 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:52,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12939 states. [2024-10-24 01:43:52,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12939 to 12937. [2024-10-24 01:43:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12937 states, 12936 states have (on average 1.3847402597402598) internal successors, (17913), 12936 states have internal predecessors, (17913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12937 states to 12937 states and 17913 transitions. [2024-10-24 01:43:52,873 INFO L78 Accepts]: Start accepts. Automaton has 12937 states and 17913 transitions. Word has length 85 [2024-10-24 01:43:52,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:52,873 INFO L471 AbstractCegarLoop]: Abstraction has 12937 states and 17913 transitions. [2024-10-24 01:43:52,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:52,873 INFO L276 IsEmpty]: Start isEmpty. Operand 12937 states and 17913 transitions. [2024-10-24 01:43:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-24 01:43:52,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:52,885 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:52,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 01:43:52,887 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:52,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:52,888 INFO L85 PathProgramCache]: Analyzing trace with hash 370256656, now seen corresponding path program 1 times [2024-10-24 01:43:52,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:52,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295751496] [2024-10-24 01:43:52,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:52,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:53,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:53,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:53,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295751496] [2024-10-24 01:43:53,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295751496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:53,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:53,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:53,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544815599] [2024-10-24 01:43:53,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:53,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:53,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:53,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:53,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:53,015 INFO L87 Difference]: Start difference. First operand 12937 states and 17913 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:53,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:53,124 INFO L93 Difference]: Finished difference Result 34793 states and 48695 transitions. [2024-10-24 01:43:53,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:53,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2024-10-24 01:43:53,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:53,158 INFO L225 Difference]: With dead ends: 34793 [2024-10-24 01:43:53,159 INFO L226 Difference]: Without dead ends: 23515 [2024-10-24 01:43:53,240 INFO L431 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 [2024-10-24 01:43:53,240 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 142 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:53,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 854 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:53,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23515 states. [2024-10-24 01:43:53,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23515 to 22081. [2024-10-24 01:43:53,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22081 states, 22080 states have (on average 1.385824275362319) internal successors, (30599), 22080 states have internal predecessors, (30599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22081 states to 22081 states and 30599 transitions. [2024-10-24 01:43:53,495 INFO L78 Accepts]: Start accepts. Automaton has 22081 states and 30599 transitions. Word has length 85 [2024-10-24 01:43:53,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:53,495 INFO L471 AbstractCegarLoop]: Abstraction has 22081 states and 30599 transitions. [2024-10-24 01:43:53,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 22081 states and 30599 transitions. [2024-10-24 01:43:53,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-24 01:43:53,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:53,506 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:53,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-24 01:43:53,507 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:53,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:53,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1136394572, now seen corresponding path program 1 times [2024-10-24 01:43:53,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:53,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515500772] [2024-10-24 01:43:53,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:53,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:53,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:53,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:53,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515500772] [2024-10-24 01:43:53,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515500772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:53,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:53,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:53,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575277266] [2024-10-24 01:43:53,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:53,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:53,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:53,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:53,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:53,586 INFO L87 Difference]: Start difference. First operand 22081 states and 30599 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:53,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:53,678 INFO L93 Difference]: Finished difference Result 30608 states and 42472 transitions. [2024-10-24 01:43:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:53,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-10-24 01:43:53,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:53,705 INFO L225 Difference]: With dead ends: 30608 [2024-10-24 01:43:53,706 INFO L226 Difference]: Without dead ends: 18075 [2024-10-24 01:43:53,722 INFO L431 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 [2024-10-24 01:43:53,724 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 241 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:53,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 936 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:53,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18075 states. [2024-10-24 01:43:53,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18075 to 18073. [2024-10-24 01:43:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18073 states, 18072 states have (on average 1.37566401062417) internal successors, (24861), 18072 states have internal predecessors, (24861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18073 states to 18073 states and 24861 transitions. [2024-10-24 01:43:53,945 INFO L78 Accepts]: Start accepts. Automaton has 18073 states and 24861 transitions. Word has length 86 [2024-10-24 01:43:53,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:53,946 INFO L471 AbstractCegarLoop]: Abstraction has 18073 states and 24861 transitions. [2024-10-24 01:43:53,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 18073 states and 24861 transitions. [2024-10-24 01:43:53,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-24 01:43:53,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:53,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:53,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 01:43:53,956 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:53,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:53,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1946752819, now seen corresponding path program 1 times [2024-10-24 01:43:53,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:53,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654925379] [2024-10-24 01:43:53,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:53,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:54,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:54,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:54,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654925379] [2024-10-24 01:43:54,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654925379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:54,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:54,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:54,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924166062] [2024-10-24 01:43:54,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:54,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:54,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:54,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:54,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:54,093 INFO L87 Difference]: Start difference. First operand 18073 states and 24861 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:54,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:54,267 INFO L93 Difference]: Finished difference Result 49897 states and 69035 transitions. [2024-10-24 01:43:54,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:54,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-10-24 01:43:54,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:54,319 INFO L225 Difference]: With dead ends: 49897 [2024-10-24 01:43:54,319 INFO L226 Difference]: Without dead ends: 33435 [2024-10-24 01:43:54,454 INFO L431 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 [2024-10-24 01:43:54,455 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 129 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:54,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 836 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:54,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33435 states. [2024-10-24 01:43:54,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33435 to 31217. [2024-10-24 01:43:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31217 states, 31216 states have (on average 1.3693298308559714) internal successors, (42745), 31216 states have internal predecessors, (42745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31217 states to 31217 states and 42745 transitions. [2024-10-24 01:43:54,917 INFO L78 Accepts]: Start accepts. Automaton has 31217 states and 42745 transitions. Word has length 86 [2024-10-24 01:43:54,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:54,917 INFO L471 AbstractCegarLoop]: Abstraction has 31217 states and 42745 transitions. [2024-10-24 01:43:54,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 31217 states and 42745 transitions. [2024-10-24 01:43:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 01:43:54,925 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:54,925 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:54,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-24 01:43:54,926 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:54,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:54,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1207527962, now seen corresponding path program 1 times [2024-10-24 01:43:54,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:54,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328011118] [2024-10-24 01:43:54,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:54,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:55,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:55,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328011118] [2024-10-24 01:43:55,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328011118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:55,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:55,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:55,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160165945] [2024-10-24 01:43:55,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:55,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:55,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:55,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:55,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:55,006 INFO L87 Difference]: Start difference. First operand 31217 states and 42745 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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) [2024-10-24 01:43:55,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:55,124 INFO L93 Difference]: Finished difference Result 38181 states and 52353 transitions. [2024-10-24 01:43:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:55,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 [2024-10-24 01:43:55,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:55,163 INFO L225 Difference]: With dead ends: 38181 [2024-10-24 01:43:55,163 INFO L226 Difference]: Without dead ends: 25576 [2024-10-24 01:43:55,180 INFO L431 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 [2024-10-24 01:43:55,181 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 198 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:55,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 880 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:55,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25576 states. [2024-10-24 01:43:55,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25576 to 25574. [2024-10-24 01:43:55,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25574 states, 25573 states have (on average 1.366793102099871) internal successors, (34953), 25573 states have internal predecessors, (34953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:55,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25574 states to 25574 states and 34953 transitions. [2024-10-24 01:43:55,490 INFO L78 Accepts]: Start accepts. Automaton has 25574 states and 34953 transitions. Word has length 87 [2024-10-24 01:43:55,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:55,490 INFO L471 AbstractCegarLoop]: Abstraction has 25574 states and 34953 transitions. [2024-10-24 01:43:55,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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) [2024-10-24 01:43:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 25574 states and 34953 transitions. [2024-10-24 01:43:55,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-24 01:43:55,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:55,499 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:55,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 01:43:55,499 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:55,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:55,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1794879483, now seen corresponding path program 1 times [2024-10-24 01:43:55,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:55,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826200054] [2024-10-24 01:43:55,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:55,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:55,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:55,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:55,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826200054] [2024-10-24 01:43:55,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826200054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:55,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:55,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:55,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37294633] [2024-10-24 01:43:55,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:55,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:55,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:55,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:55,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:55,674 INFO L87 Difference]: Start difference. First operand 25574 states and 34953 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:55,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:55,865 INFO L93 Difference]: Finished difference Result 70746 states and 96891 transitions. [2024-10-24 01:43:55,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:55,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2024-10-24 01:43:55,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:56,046 INFO L225 Difference]: With dead ends: 70746 [2024-10-24 01:43:56,046 INFO L226 Difference]: Without dead ends: 46720 [2024-10-24 01:43:56,070 INFO L431 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 [2024-10-24 01:43:56,070 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 151 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:56,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 875 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:56,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46720 states. [2024-10-24 01:43:56,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46720 to 43294. [2024-10-24 01:43:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43294 states, 43293 states have (on average 1.3587646963712379) internal successors, (58825), 43293 states have internal predecessors, (58825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43294 states to 43294 states and 58825 transitions. [2024-10-24 01:43:56,469 INFO L78 Accepts]: Start accepts. Automaton has 43294 states and 58825 transitions. Word has length 88 [2024-10-24 01:43:56,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:56,470 INFO L471 AbstractCegarLoop]: Abstraction has 43294 states and 58825 transitions. [2024-10-24 01:43:56,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand 43294 states and 58825 transitions. [2024-10-24 01:43:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-24 01:43:56,475 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:56,475 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:56,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-24 01:43:56,476 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:56,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:56,476 INFO L85 PathProgramCache]: Analyzing trace with hash 851067157, now seen corresponding path program 1 times [2024-10-24 01:43:56,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:56,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426893958] [2024-10-24 01:43:56,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:56,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:56,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:56,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:56,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426893958] [2024-10-24 01:43:56,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426893958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:56,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:56,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:56,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329957631] [2024-10-24 01:43:56,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:56,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:56,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:56,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:56,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:56,616 INFO L87 Difference]: Start difference. First operand 43294 states and 58825 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:56,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:56,942 INFO L93 Difference]: Finished difference Result 123106 states and 167275 transitions. [2024-10-24 01:43:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:56,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2024-10-24 01:43:56,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:57,044 INFO L225 Difference]: With dead ends: 123106 [2024-10-24 01:43:57,044 INFO L226 Difference]: Without dead ends: 81360 [2024-10-24 01:43:57,094 INFO L431 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 [2024-10-24 01:43:57,094 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 107 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:57,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 829 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:57,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81360 states. [2024-10-24 01:43:58,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81360 to 75726. [2024-10-24 01:43:58,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75726 states, 75725 states have (on average 1.3501617695609112) internal successors, (102241), 75725 states have internal predecessors, (102241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75726 states to 75726 states and 102241 transitions. [2024-10-24 01:43:58,277 INFO L78 Accepts]: Start accepts. Automaton has 75726 states and 102241 transitions. Word has length 88 [2024-10-24 01:43:58,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:58,277 INFO L471 AbstractCegarLoop]: Abstraction has 75726 states and 102241 transitions. [2024-10-24 01:43:58,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:58,278 INFO L276 IsEmpty]: Start isEmpty. Operand 75726 states and 102241 transitions. [2024-10-24 01:43:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-24 01:43:58,282 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:58,282 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:58,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-24 01:43:58,283 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:58,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:58,283 INFO L85 PathProgramCache]: Analyzing trace with hash -760977791, now seen corresponding path program 1 times [2024-10-24 01:43:58,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:58,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700283168] [2024-10-24 01:43:58,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:58,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:58,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:58,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700283168] [2024-10-24 01:43:58,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700283168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:58,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:58,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:58,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041435139] [2024-10-24 01:43:58,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:58,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:43:58,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:58,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:43:58,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:43:58,881 INFO L87 Difference]: Start difference. First operand 75726 states and 102241 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:59,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:59,224 INFO L93 Difference]: Finished difference Result 81968 states and 110562 transitions. [2024-10-24 01:43:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:43:59,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-10-24 01:43:59,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:59,333 INFO L225 Difference]: With dead ends: 81968 [2024-10-24 01:43:59,333 INFO L226 Difference]: Without dead ends: 81966 [2024-10-24 01:43:59,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:43:59,359 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 0 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2083 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:59,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2083 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:59,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81966 states. [2024-10-24 01:44:00,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81966 to 81966. [2024-10-24 01:44:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81966 states, 81965 states have (on average 1.3235039346062343) internal successors, (108481), 81965 states have internal predecessors, (108481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81966 states to 81966 states and 108481 transitions. [2024-10-24 01:44:00,489 INFO L78 Accepts]: Start accepts. Automaton has 81966 states and 108481 transitions. Word has length 90 [2024-10-24 01:44:00,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:44:00,489 INFO L471 AbstractCegarLoop]: Abstraction has 81966 states and 108481 transitions. [2024-10-24 01:44:00,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:00,489 INFO L276 IsEmpty]: Start isEmpty. Operand 81966 states and 108481 transitions. [2024-10-24 01:44:00,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-24 01:44:00,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:44:00,497 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:44:00,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-24 01:44:00,498 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:44:00,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:44:00,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1699029251, now seen corresponding path program 1 times [2024-10-24 01:44:00,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:44:00,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57098766] [2024-10-24 01:44:00,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:44:00,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:44:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:44:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:44:00,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:44:00,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57098766] [2024-10-24 01:44:00,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57098766] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:44:00,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:44:00,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:44:00,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099316581] [2024-10-24 01:44:00,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:44:00,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:44:00,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:44:00,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:44:00,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:44:00,601 INFO L87 Difference]: Start difference. First operand 81966 states and 108481 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:01,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:44:01,376 INFO L93 Difference]: Finished difference Result 204698 states and 270619 transitions. [2024-10-24 01:44:01,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:44:01,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-10-24 01:44:01,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:44:01,890 INFO L225 Difference]: With dead ends: 204698 [2024-10-24 01:44:01,890 INFO L226 Difference]: Without dead ends: 124280 [2024-10-24 01:44:01,928 INFO L431 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 [2024-10-24 01:44:01,930 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 324 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:44:01,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 572 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:44:02,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124280 states. [2024-10-24 01:44:03,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124280 to 123238. [2024-10-24 01:44:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123238 states, 123237 states have (on average 1.305005801828996) internal successors, (160825), 123237 states have internal predecessors, (160825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123238 states to 123238 states and 160825 transitions. [2024-10-24 01:44:03,945 INFO L78 Accepts]: Start accepts. Automaton has 123238 states and 160825 transitions. Word has length 91 [2024-10-24 01:44:03,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:44:03,945 INFO L471 AbstractCegarLoop]: Abstraction has 123238 states and 160825 transitions. [2024-10-24 01:44:03,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 123238 states and 160825 transitions. [2024-10-24 01:44:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 01:44:03,951 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:44:03,951 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:44:03,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-24 01:44:03,951 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:44:03,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:44:03,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1379911323, now seen corresponding path program 1 times [2024-10-24 01:44:03,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:44:03,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701478201] [2024-10-24 01:44:03,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:44:03,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:44:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:44:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:44:04,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:44:04,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701478201] [2024-10-24 01:44:04,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701478201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:44:04,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:44:04,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:44:04,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249332851] [2024-10-24 01:44:04,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:44:04,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:44:04,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:44:04,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:44:04,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:44:04,202 INFO L87 Difference]: Start difference. First operand 123238 states and 160825 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:04,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:44:04,749 INFO L93 Difference]: Finished difference Result 191968 states and 251590 transitions. [2024-10-24 01:44:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:44:04,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-10-24 01:44:04,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:44:05,417 INFO L225 Difference]: With dead ends: 191968 [2024-10-24 01:44:05,417 INFO L226 Difference]: Without dead ends: 165146 [2024-10-24 01:44:05,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:44:05,430 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 1572 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:44:05,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1572 Valid, 1300 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:44:05,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165146 states. [2024-10-24 01:44:06,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165146 to 141570. [2024-10-24 01:44:07,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141570 states, 141569 states have (on average 1.3026086219440696) internal successors, (184409), 141569 states have internal predecessors, (184409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:07,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141570 states to 141570 states and 184409 transitions. [2024-10-24 01:44:07,325 INFO L78 Accepts]: Start accepts. Automaton has 141570 states and 184409 transitions. Word has length 92 [2024-10-24 01:44:07,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:44:07,325 INFO L471 AbstractCegarLoop]: Abstraction has 141570 states and 184409 transitions. [2024-10-24 01:44:07,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:07,326 INFO L276 IsEmpty]: Start isEmpty. Operand 141570 states and 184409 transitions. [2024-10-24 01:44:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 01:44:07,333 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:44:07,333 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:44:07,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-24 01:44:07,333 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:44:07,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:44:07,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1651521655, now seen corresponding path program 1 times [2024-10-24 01:44:07,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:44:07,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729467458] [2024-10-24 01:44:07,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:44:07,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:44:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:44:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:44:07,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:44:07,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729467458] [2024-10-24 01:44:07,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729467458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:44:07,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:44:07,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:44:07,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329776552] [2024-10-24 01:44:07,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:44:07,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:44:07,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:44:07,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:44:07,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:44:07,425 INFO L87 Difference]: Start difference. First operand 141570 states and 184409 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:08,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:44:08,903 INFO L93 Difference]: Finished difference Result 280711 states and 365723 transitions. [2024-10-24 01:44:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:44:08,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-24 01:44:08,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:44:09,235 INFO L225 Difference]: With dead ends: 280711 [2024-10-24 01:44:09,236 INFO L226 Difference]: Without dead ends: 199670 [2024-10-24 01:44:09,291 INFO L431 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 [2024-10-24 01:44:09,292 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 374 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:44:09,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 563 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:44:09,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199670 states. [2024-10-24 01:44:11,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199670 to 139178. [2024-10-24 01:44:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139178 states, 139177 states have (on average 1.2999202454428533) internal successors, (180919), 139177 states have internal predecessors, (180919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:11,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139178 states to 139178 states and 180919 transitions. [2024-10-24 01:44:11,587 INFO L78 Accepts]: Start accepts. Automaton has 139178 states and 180919 transitions. Word has length 93 [2024-10-24 01:44:11,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:44:11,587 INFO L471 AbstractCegarLoop]: Abstraction has 139178 states and 180919 transitions. [2024-10-24 01:44:11,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:11,588 INFO L276 IsEmpty]: Start isEmpty. Operand 139178 states and 180919 transitions. [2024-10-24 01:44:11,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:44:11,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:44:11,592 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:44:11,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-24 01:44:11,593 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:44:11,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:44:11,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1893050294, now seen corresponding path program 1 times [2024-10-24 01:44:11,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:44:11,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733286262] [2024-10-24 01:44:11,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:44:11,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:44:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:44:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:44:11,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:44:11,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733286262] [2024-10-24 01:44:11,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733286262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:44:11,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:44:11,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:44:11,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558321656] [2024-10-24 01:44:11,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:44:11,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:44:11,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:44:11,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:44:11,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:44:11,749 INFO L87 Difference]: Start difference. First operand 139178 states and 180919 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:13,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:44:13,015 INFO L93 Difference]: Finished difference Result 196824 states and 256836 transitions. [2024-10-24 01:44:13,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:44:13,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-10-24 01:44:13,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:44:13,303 INFO L225 Difference]: With dead ends: 196824 [2024-10-24 01:44:13,304 INFO L226 Difference]: Without dead ends: 170866 [2024-10-24 01:44:13,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:44:13,350 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 1557 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1557 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:44:13,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1557 Valid, 1294 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:44:13,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170866 states. [2024-10-24 01:44:15,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170866 to 157030. [2024-10-24 01:44:15,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157030 states, 157029 states have (on average 1.2977411815651887) internal successors, (203783), 157029 states have internal predecessors, (203783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:16,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157030 states to 157030 states and 203783 transitions. [2024-10-24 01:44:16,268 INFO L78 Accepts]: Start accepts. Automaton has 157030 states and 203783 transitions. Word has length 94 [2024-10-24 01:44:16,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:44:16,268 INFO L471 AbstractCegarLoop]: Abstraction has 157030 states and 203783 transitions. [2024-10-24 01:44:16,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:16,268 INFO L276 IsEmpty]: Start isEmpty. Operand 157030 states and 203783 transitions. [2024-10-24 01:44:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 01:44:16,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:44:16,292 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:44:16,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-24 01:44:16,292 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:44:16,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:44:16,292 INFO L85 PathProgramCache]: Analyzing trace with hash -135962477, now seen corresponding path program 1 times [2024-10-24 01:44:16,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:44:16,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098361443] [2024-10-24 01:44:16,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:44:16,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:44:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:44:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-24 01:44:16,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:44:16,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098361443] [2024-10-24 01:44:16,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098361443] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:44:16,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:44:16,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:44:16,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627783395] [2024-10-24 01:44:16,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:44:16,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:44:16,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:44:16,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:44:16,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:44:16,621 INFO L87 Difference]: Start difference. First operand 157030 states and 203783 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:18,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:44:18,662 INFO L93 Difference]: Finished difference Result 405062 states and 523931 transitions. [2024-10-24 01:44:18,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:44:18,662 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 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 115 [2024-10-24 01:44:18,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:44:19,047 INFO L225 Difference]: With dead ends: 405062 [2024-10-24 01:44:19,047 INFO L226 Difference]: Without dead ends: 248761 [2024-10-24 01:44:19,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:44:19,113 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 1364 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:44:19,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 1363 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:44:19,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248761 states. [2024-10-24 01:44:21,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248761 to 156957. [2024-10-24 01:44:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156957 states, 156956 states have (on average 1.2976948953846938) internal successors, (203681), 156956 states have internal predecessors, (203681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156957 states to 156957 states and 203681 transitions. [2024-10-24 01:44:22,194 INFO L78 Accepts]: Start accepts. Automaton has 156957 states and 203681 transitions. Word has length 115 [2024-10-24 01:44:22,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:44:22,195 INFO L471 AbstractCegarLoop]: Abstraction has 156957 states and 203681 transitions. [2024-10-24 01:44:22,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 156957 states and 203681 transitions. [2024-10-24 01:44:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 01:44:22,216 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:44:22,216 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:44:22,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-24 01:44:22,216 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:44:22,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:44:22,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1149002671, now seen corresponding path program 1 times [2024-10-24 01:44:22,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:44:22,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083874340] [2024-10-24 01:44:22,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:44:22,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:44:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:44:22,336 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:44:22,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:44:22,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083874340] [2024-10-24 01:44:22,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083874340] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 01:44:22,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295809504] [2024-10-24 01:44:22,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:44:22,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 01:44:22,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:44:22,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 01:44:22,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 01:44:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:44:22,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 01:44:22,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 01:44:23,167 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:44:23,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 01:44:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:44:23,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295809504] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 01:44:23,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 01:44:23,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-10-24 01:44:23,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433611439] [2024-10-24 01:44:23,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 01:44:23,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 01:44:23,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:44:23,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 01:44:23,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-10-24 01:44:23,337 INFO L87 Difference]: Start difference. First operand 156957 states and 203681 transitions. Second operand has 14 states, 14 states have (on average 22.0) internal successors, (308), 14 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:25,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:44:25,573 INFO L93 Difference]: Finished difference Result 407305 states and 529931 transitions. [2024-10-24 01:44:25,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 01:44:25,574 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 22.0) internal successors, (308), 14 states have internal predecessors, (308), 0 states have call successors, (0), 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 115 [2024-10-24 01:44:25,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:44:26,032 INFO L225 Difference]: With dead ends: 407305 [2024-10-24 01:44:26,032 INFO L226 Difference]: Without dead ends: 251495 [2024-10-24 01:44:26,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-10-24 01:44:26,158 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 3777 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3777 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:44:26,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3777 Valid, 1593 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]